Toggle navigation

Opis, Taxa Only, Exact Match: 299 Treatments

[ more ] [ link ]

Dissomphalus opis   sp. nov.  Mugrabi, Daniele F. & Azevedo, Celso O., 2016, Description of 91 new species of DIssomphalus Ashmead (Hymenoptera: Bethylidae) from New Guinea Island and surrounded areas, Mémoires du Muséum national d'Histoire naturelle 209, pp. 451-564 : 524 524
Hintonelmis opis     Segura, Melissa Ottoboni, Valente-Neto, Francisco & Fonseca-Gessner, Alaíde Aparecida, 2012, Checklist of the Elmidae (Coleoptera: Byrrhoidea) of Brazil, Zootaxa 3260, pp. 1-18 : 7 7
Neoelmis opis     Segura, Melissa Ottoboni, Valente-Neto, Francisco & Fonseca-Gessner, Alaíde Aparecida, 2012, Checklist of the Elmidae (Coleoptera: Byrrhoidea) of Brazil, Zootaxa 3260, pp. 1-18 : 12 12
Opisa     Heo, Jun-Haeng & Kim, Young-Hyo, 2021, A new species of the genus Opisa Boeck, 1876 (Crustacea, Amphipoda, Opisidae) and a new record for Opisa takafuminakanoi from the East Sea, South Korea, ZooKeys 1015, pp. 99-113 : 99 99
Opisa key    Narahara-Nakano, Yukiko, Kakui, Keiichi & Tomikawa, Ko, 2016, Opisa takafuminakanoi, a new species of Opisidae from Hokkaido, Japan (Crustacea: Amphipoda), Zootaxa 4200 (2), pp. 335-339 : 338 338
Opisa   new genus  Boeck, Axel, 1876, De Skandinaviske og Arktiske Amphipoder, A. W. Brøgger : 190 190
Opisa takafuminakanoi   sp. nov.  Narahara-Nakano, Yukiko, Kakui, Keiichi & Tomikawa, Ko, 2016, Opisa takafuminakanoi, a new species of Opisidae from Hokkaido, Japan (Crustacea: Amphipoda), Zootaxa 4200 (2), pp. 335-339 : 335-338 335-338
Opisa takafuminakanoi     Heo, Jun-Haeng & Kim, Young-Hyo, 2021, A new species of the genus Opisa Boeck, 1876 (Crustacea, Amphipoda, Opisidae) and a new record for Opisa takafuminakanoi from the East Sea, South Korea, ZooKeys 1015, pp. 99-113 : 99 99
Opisa parvimana   sp. nov.  Heo, Jun-Haeng & Kim, Young-Hyo, 2021, A new species of the genus Opisa Boeck, 1876 (Crustacea, Amphipoda, Opisidae) and a new record for Opisa takafuminakanoi from the East Sea, South Korea, ZooKeys 1015, pp. 99-113 : 99 99
Coptobasis opisalis     Singh, Navneet, Ranjan, Rahul, Talukdar, Avishek, Joshi, Rahul, Kirti, Jagbir Singh, Chandra, Kailash & Mally, Richard, 2022, A catalogue of Indian Pyraloidea (Lepidoptera), Zootaxa 5197 (1), pp. 1-423 : 267 267
Normanion     Stoddart, H. E. & Lowry, J. K., 2010, The family Opisidae (Crustacea: Amphipoda: Lysianassoidea) in Australasian waters, Zootaxa 2479 (1), pp. 22-38 : 23 23
Normanion key    Kilgallen, Niamh M., Myers, Alan A. & Grath, David M, 2006, A revision of the North Atlantic amphipod genus Normanion (Crustacea: Amphipoda: Lysianassoidea), Zootaxa 1363, pp. 1-21 : 20 20
Normanion     Kilgallen, Niamh M., Myers, Alan A. & Grath, David M, 2006, A revision of the North Atlantic amphipod genus Normanion (Crustacea: Amphipoda: Lysianassoidea), Zootaxa 1363, pp. 1-21 : 3 3
Normanion hipposideros   sp. nov.  Stoddart, H. E. & Lowry, J. K., 2010, The family Opisidae (Crustacea: Amphipoda: Lysianassoidea) in Australasian waters, Zootaxa 2479 (1), pp. 22-38 : 24-26 24-26
Podoprionella bulla   sp. nov.  Stoddart, H. E. & Lowry, J. K., 2010, The family Opisidae (Crustacea: Amphipoda: Lysianassoidea) in Australasian waters, Zootaxa 2479 (1), pp. 22-38 : 28-29 28-29
Normanion chevreuxi     Kilgallen, Niamh M., Myers, Alan A. & Grath, David M, 2006, A revision of the North Atlantic amphipod genus Normanion (Crustacea: Amphipoda: Lysianassoidea), Zootaxa 1363, pp. 1-21 : 5-11 5-11
Normanion ruffoi     Kilgallen, Niamh M., Myers, Alan A. & Grath, David M, 2006, A revision of the North Atlantic amphipod genus Normanion (Crustacea: Amphipoda: Lysianassoidea), Zootaxa 1363, pp. 1-21 : 15-19 15-19
Podoprionella     Stoddart, H. E. & Lowry, J. K., 2010, The family Opisidae (Crustacea: Amphipoda: Lysianassoidea) in Australasian waters, Zootaxa 2479 (1), pp. 22-38 : 28 28
Normanion whoi   sp. nov.  Stoddart, H. E. & Lowry, J. K., 2010, The family Opisidae (Crustacea: Amphipoda: Lysianassoidea) in Australasian waters, Zootaxa 2479 (1), pp. 22-38 : 27-28 27-28
Podoprionides     Stoddart, H. E. & Lowry, J. K., 2010, The family Opisidae (Crustacea: Amphipoda: Lysianassoidea) in Australasian waters, Zootaxa 2479 (1), pp. 22-38 : 30 30
Podoprionides moonamoona   sp. nov.  Stoddart, H. E. & Lowry, J. K., 2010, The family Opisidae (Crustacea: Amphipoda: Lysianassoidea) in Australasian waters, Zootaxa 2479 (1), pp. 22-38 : 33-34 33-34
Normanion amblyops     Kilgallen, Niamh M., Myers, Alan A. & Grath, David M, 2006, A revision of the North Atlantic amphipod genus Normanion (Crustacea: Amphipoda: Lysianassoidea), Zootaxa 1363, pp. 1-21 : 5 5
Podoprionides key    Stoddart, H. E. & Lowry, J. K., 2010, The family Opisidae (Crustacea: Amphipoda: Lysianassoidea) in Australasian waters, Zootaxa 2479 (1), pp. 22-38 : 30 30
Normanion quadrimanus     Kilgallen, Niamh M., Myers, Alan A. & Grath, David M, 2006, A revision of the North Atlantic amphipod genus Normanion (Crustacea: Amphipoda: Lysianassoidea), Zootaxa 1363, pp. 1-21 : 11-15 11-15
Opisidae     Stoddart, H. E. & Lowry, J. K., 2010, The family Opisidae (Crustacea: Amphipoda: Lysianassoidea) in Australasian waters, Zootaxa 2479 (1), pp. 22-38 : 23 23
Normanion key    Stoddart, H. E. & Lowry, J. K., 2010, The family Opisidae (Crustacea: Amphipoda: Lysianassoidea) in Australasian waters, Zootaxa 2479 (1), pp. 22-38 : 23 23
Podoprionella key    Stoddart, H. E. & Lowry, J. K., 2010, The family Opisidae (Crustacea: Amphipoda: Lysianassoidea) in Australasian waters, Zootaxa 2479 (1), pp. 22-38 : 28 28
Podoprionides akantha   sp. nov.  Stoddart, H. E. & Lowry, J. K., 2010, The family Opisidae (Crustacea: Amphipoda: Lysianassoidea) in Australasian waters, Zootaxa 2479 (1), pp. 22-38 : 31-33 31-33
Opisocrostis     Acosta, Roxana, 2003, New records of rodent fleas from Queretaro, Mexico (Siphonaptera), Zootaxa 369 (1), pp. 1-15 : 9 9
Opisodasys pseudarctomys     Reeves, Will K., Durden, Lance A., Ritzi, Christopher M., Beckham, Katy R., Super, Paul E & Oconnor, Barry M., 2007, Ectoparasites and other ectosymbiotic arthropods of vertebrates in the Great Smoky Mountains National Park, USA, Zootaxa 1392, pp. 31-68 : 39 39
Nylanderia opisopthalmia   comb. nov.  Williams, Jason L., 2016, Taxonomic revision and phylogeny of the ant genus Prenolepis (Hymenoptera: Formicidae), Zootaxa 4200 (2), pp. 201-258 : 248-250 248-250
Martensodesmus cattienensis   sp. n.  Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 47-48 47-48
Martensodesmus     Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 23 23
Opisotretus beroni   sp. n.  Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 37-39 37-39
Carlotretus     Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 22 22
Opisthoporodesmus     Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 27-28 27-28
Carlotretus setosus     Hollier, John, Stöckli, Eduard, Wesener, Thomas, Mesibov, Robert, Decker, Peter & Sierwald, Petra, 2020, An annotated list of the millipede (Diplopoda) species described by Johann Carl, Revue suisse de Zoologie 127 (1), pp. 183-240 : 228 228
Martensodesmus bedosae   sp. n.  Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 49-51 49-51
Retrodesmus cavernicola   sp. n.  Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 34-37 34-37
Martensodesmus spiniger   sp. n.  Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 51-55 51-55
Opisotretidae     Golovatch, Sergei I., 2013, A reclassification of the millipede superfamily Trichopolydesmoidea, with descriptions of two new species from the Aegean region (Diplopoda, Polydesmida), ZooKeys 340, pp. 63-78 : 73 73
Opisotretus deharvengi   sp. n.  Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 42-43 42-43
Retrodesmus     Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 28-30 28-30
Opisotretus hagen   sp. n.  Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 40-41 40-41
Corypholophus     Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 22-23 22-23
Solaenaulus     Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 33 33
Opisotretidae     Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 21 21
Opisotretus     Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 23-27 23-27
Polydesmida   new species  Murakami, Yoshiteru, 1975, The cave myriapods of the Ryukyu Islands (1), Bulletin of the National Science Museum, Series A, Zoology 1, No. 2, pp. 85-113 : 108 108
Solaenaulus butteli subsp. birmanica     Hollier, John, Stöckli, Eduard, Wesener, Thomas, Mesibov, Robert, Decker, Peter & Sierwald, Petra, 2020, An annotated list of the millipede (Diplopoda) species described by Johann Carl, Revue suisse de Zoologie 127 (1), pp. 183-240 : 191 191
Solaenaulus butteli     Hollier, John, Stöckli, Eduard, Wesener, Thomas, Mesibov, Robert, Decker, Peter & Sierwald, Petra, 2020, An annotated list of the millipede (Diplopoda) species described by Johann Carl, Revue suisse de Zoologie 127 (1), pp. 183-240 : 191 191
Opisthoporodesmus bacillifer     Hollier, John, Stöckli, Eduard, Wesener, Thomas, Mesibov, Robert, Decker, Peter & Sierwald, Petra, 2020, An annotated list of the millipede (Diplopoda) species described by Johann Carl, Revue suisse de Zoologie 127 (1), pp. 183-240 : 189 189
Opisotretus     Hollier, John, Stöckli, Eduard, Wesener, Thomas, Mesibov, Robert, Decker, Peter & Sierwald, Petra, 2020, An annotated list of the millipede (Diplopoda) species described by Johann Carl, Revue suisse de Zoologie 127 (1), pp. 183-240 : 191 191
Carlotretus triramus   sp. n.  Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 56-64 56-64
Opisotretus spinosus   sp. n.  Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 45-47 45-47
Retrodesmus dammermani     Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden, 2013, Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species, ZooKeys 302, pp. 13-77 : 30-33 30-33
Opistacanthus     Perez-Gelabert, Daniel E., 2008, Arthropods of Hispaniola (Dominican Republic and Haiti): A checklist and bibliography, Zootaxa 1831 (1), pp. 1-530 : 69 69
Opisthacantha nomados   n. n.  Talamas, Elijah J., Thompson, Joseph, Cutler, Amy, Schoenberger, Samantha Fitzsimmons, Cuminale, Anthony, Jung, Trenton, Johnson, Norman F., Valerio, Alejandro A., Smith, Ashton B., Haltermann, Victoria, Alvarez, Elizabeth, Schwantes, Collin, Blewer, Catherine, Bodenreider, Coline, Salzberg, Annika, Luo, Pei, Meislin, Debra & Buffington, Matthew L., 2017, An online photographic catalog of primary types of Platygastroidea (Hymenoptera) in the National Museum of Natural History, Smithsonian Institution, Journal of Hymenoptera Research 56, pp. 187-224 : 199-200 199-200
Hadogenes opisthacanthoides     Monod, Lionel, Duperre, Nadine & Harms, Danilo, 2019, An annotated catalogue of the scorpion types (Arachnida, Scorpiones) held in the Zoological Museum Hamburg. Part I: Parvorder Iurida Soleglad & Fet, 2003, Evolutionary Systematics 3 (2), pp. 109-200 : 109 109
Opisthacanthus transvaalicus     Monod, Lionel, Duperre, Nadine & Harms, Danilo, 2019, An annotated catalogue of the scorpion types (Arachnida, Scorpiones) held in the Zoological Museum Hamburg. Part I: Parvorder Iurida Soleglad & Fet, 2003, Evolutionary Systematics 3 (2), pp. 109-200 : 109 109
Opisthacanthus heurtaultae     Ythier, Eric, 2018, A synopsis of the scorpion fauna of French Guiana, with description of four new species, ZooKeys 764, pp. 27-90 : 54 54
Opisthacanthus pauliani   sp. nov.  Lourenço, Wilson R. & Goodman, Steven M., 2008, Scorpions of the Réserve spéciale d’Ankarana, Madagascar, with particular reference to cave-dwelling animals and the description of two new species (Arachnida, Scorpiones), Zoosystema 30 (3), pp. 665-679 : 673-677 673-677
Opisthacanthus madagascariensis     Monod, Lionel, Duperre, Nadine & Harms, Danilo, 2019, An annotated catalogue of the scorpion types (Arachnida, Scorpiones) held in the Zoological Museum Hamburg. Part I: Parvorder Iurida Soleglad & Fet, 2003, Evolutionary Systematics 3 (2), pp. 109-200 : 109 109
Opisthacanthus aequispinus     Monod, Lionel, Duperre, Nadine & Harms, Danilo, 2019, An annotated catalogue of the scorpion types (Arachnida, Scorpiones) held in the Zoological Museum Hamburg. Part I: Parvorder Iurida Soleglad & Fet, 2003, Evolutionary Systematics 3 (2), pp. 109-200 : 109 109
Opisthacanthus milloti   sp. nov.  Lourenço, Wilson R. & Goodman, Steven M., 2008, Scorpions of the Réserve spéciale d’Ankarana, Madagascar, with particular reference to cave-dwelling animals and the description of two new species (Arachnida, Scorpiones), Zoosystema 30 (3), pp. 665-679 : 669-673 669-673
Opisthacanthus fischeri     Monod, Lionel, Duperre, Nadine & Harms, Danilo, 2019, An annotated catalogue of the scorpion types (Arachnida, Scorpiones) held in the Zoological Museum Hamburg. Part I: Parvorder Iurida Soleglad & Fet, 2003, Evolutionary Systematics 3 (2), pp. 109-200 : 109 109
Opisthacanthus minor     Monod, Lionel, Duperre, Nadine & Harms, Danilo, 2019, An annotated catalogue of the scorpion types (Arachnida, Scorpiones) held in the Zoological Museum Hamburg. Part I: Parvorder Iurida Soleglad & Fet, 2003, Evolutionary Systematics 3 (2), pp. 109-200 : 109 109
Opisthacanthus transvaalicus subsp. ochripes     Monod, Lionel, Duperre, Nadine & Harms, Danilo, 2019, An annotated catalogue of the scorpion types (Arachnida, Scorpiones) held in the Zoological Museum Hamburg. Part I: Parvorder Iurida Soleglad & Fet, 2003, Evolutionary Systematics 3 (2), pp. 109-200 : 109 109
Opisthacanthus obscurus     Monod, Lionel, Duperre, Nadine & Harms, Danilo, 2019, An annotated catalogue of the scorpion types (Arachnida, Scorpiones) held in the Zoological Museum Hamburg. Part I: Parvorder Iurida Soleglad & Fet, 2003, Evolutionary Systematics 3 (2), pp. 109-200 : 109 109
Opisthacanthus (Monodopisthacanthus) andohahela     Monod, Lionel, Duperre, Nadine & Harms, Danilo, 2019, An annotated catalogue of the scorpion types (Arachnida, Scorpiones) held in the Zoological Museum Hamburg. Part I: Parvorder Iurida Soleglad & Fet, 2003, Evolutionary Systematics 3 (2), pp. 109-200 : 109 109
Opisthacanthus africanus subsp. pallidus     Monod, Lionel, Duperre, Nadine & Harms, Danilo, 2019, An annotated catalogue of the scorpion types (Arachnida, Scorpiones) held in the Zoological Museum Hamburg. Part I: Parvorder Iurida Soleglad & Fet, 2003, Evolutionary Systematics 3 (2), pp. 109-200 : 109 109
Opisthacidius mexicanus     Forero, Dimitri, 2006, New records of Reduviidae (Hemiptera: Heteroptera) from Colombia and other Neotropical countries, Zootaxa 1107, pp. 1-47 : 33 33
Opisthacidius pertinax     María C. Melo, Gimena Dellapé, Leonela Olivera, Pablo S. Varela, Sara I. Montemayor & Pablo M. Dellapé, 2017, Diversity of true bugs from Iguazú National Park, Argentina, Check List 13 (5), pp. 479-511 : 485 485
Opisthacidius picturatus     Forero, Dimitri, 2006, New records of Reduviidae (Hemiptera: Heteroptera) from Colombia and other Neotropical countries, Zootaxa 1107, pp. 1-47 : 33-34 33-34
Opisthacidius pertinax     Castro-Huertas, Valentina, Minghetti, Eugenia, Olivera, Leonela & Serrano, Alejandro, 2024, Diversity of true bugs (Insecta: Hemiptera: Heteroptera) from the El Impenetrable National Park, Argentina, Zootaxa 5424 (1), pp. 1-43 : 33 33
Opisthacidius lutzi     María C. Melo, Gimena Dellapé, Leonela Olivera, Pablo S. Varela, Sara I. Montemayor & Pablo M. Dellapé, 2017, Diversity of true bugs from Iguazú National Park, Argentina, Check List 13 (5), pp. 479-511 : 485 485
Plagiorchiida   new species  Johnson, William F. & Copsey, Jack E., 1953, Opisthadena bodegensis n. sp. (Trematoda) from Dillon Beach, California., Transactions of the American Microscopical Society 72, No. 1, pp. 78-81 : 78 78
Plagiorchiida   new species  Tang, C. - t., Shi, Z. - m., Hua, Cao, Guan, J. - z. & Pan, C. - s., 1983, Studies on the trematodes of marine fishes from Fujian. 1. Hemiurid trematodes., Acta Zootaxonomica Sinica 8, No. 1, pp. 33-42 : 40 40
Plagiorchiida   new species  Al-Yamani, F. & Nahhas, Fuad M., 1981, Digenetic trematodes of marine fishes from the Kuwaiti coast of the Arabian Gulf., Kuwait Bulletin of Marine Science 3, pp. 1-22 : 3 3
Plagiorchiida   new species  Shen, J. - w. & Qiu, Zhaozhi, 1995, Studies on the trematodes of fishes from the Yellow Sea and the Bo Hai Sea, Science Press : 155, 177 155, 177
Plagiorchiida   new species  Tang, C. - t., Shi, Z. - m., Hua, Cao, Guan, J. - z. & Pan, C. - s., 1983, Studies on the trematodes of marine fishes from Fujian. 1. Hemiurid trematodes., Acta Zootaxonomica Sinica 8, No. 1, pp. 33-42 : 39 39
Plagiorchiida   new species  Martin, W. E., 1978, Digenetic trematodes of the marine fish, Girella nigricans (Ayres), from Southern California with the description of two new species., Proceedings of the Helminthological Society of Washington 45, No. 2, pp. 175-181 : 175 175
Plagiorchiida   new species  Linton, E., 1910, Helminth fauna of the Dry Tortugas. II. Trematodes, Papers from the Tortugas Laboratory of the Carnegie Institute of Washington 4, pp. 11-98 : 54 54
Plagiorchiida   new species  Yamaguti, S., 1970, Digenetic trematodes of Hawaiian fishes, Keigaku Publishing Company : 142 142
Plagiorchiida   new species  Bravo-Hollis, Margarita, 1966, Helmintos de peces de aguas mexicanas del Pacifico. XXIV. Descripcion de Opisthadena cortesi n. sp. (Trematodo)., Anales del Instituto de Biologia Universidad de Mexico 36, No. 1965, pp. 141-145 : 141 141
Opisthedeicta poritialis     Singh, Navneet, Ranjan, Rahul, Talukdar, Avishek, Joshi, Rahul, Kirti, Jagbir Singh, Chandra, Kailash & Mally, Richard, 2022, A catalogue of Indian Pyraloidea (Lepidoptera), Zootaxa 5197 (1), pp. 1-423 : 151 151
Opisthemega insulare   new species  Meinert, Fr., 1886, Myriapoda Musei Cantabrigensis, Mass. Part I. Chilopoda., Proc Am Philos Soc 23, No. 122, pp. 161-233 : 209 209
Opisthemega spinicauda   new species  Wood, Horatio C., 1862, On the Chilopoda of North America, with a catalogue of all the specimens in the collection of the Smithsonian Institution., Journal of the Academy of Natural Sciences of Philadelphia 5, No. 1, pp. 2-52 : 36 36
Opisthemega lusitanum     Thofern, Detlef, Dupérré, Nadine & Harms, Danilo, 2021, An annotated type catalogue of the centipedes (Myriapoda: Chilopoda) held in the Zoological Museum Hamburg, Zootaxa 4977 (1), pp. 1-103 : 43-44 43-44
Opisthencentrus dentipennis     Roza, André Silva, 2022, Synopsis of the distribution of the rare tiger beetle Opisthencentrus dentipennis (Coleoptera: Cicindelidae), Zootaxa 5174 (4), pp. 395-400 : 396 396
Opisthencentrus     Moravec, Jiří, 2016, Taxonomic and nomenclatorial revision within the Neotropical genera of the subtribe Odontocheilina W. Horn in a new sense — 15. The genus Opisthencentrus W. Horn (Coleoptera: Cicindelidae), Zootaxa 4097 (3), pp. 332-340 : 333 333
Opisthencentrus dentipennis     Moravec, Jiří, 2016, Taxonomic and nomenclatorial revision within the Neotropical genera of the subtribe Odontocheilina W. Horn in a new sense — 15. The genus Opisthencentrus W. Horn (Coleoptera: Cicindelidae), Zootaxa 4097 (3), pp. 332-340 : 334-339 334-339
Micrulia (Opistheploce) cinerea     Schmidt, Olga, 2015, List of primary types of the larentiine moth species (Lepidoptera: Geometridae) described from Indonesia - a starting point for biodiversity assessment of the subfamily in the region, Biodiversity Data Journal 3, pp. 5447-5447 : 5447 5447
Micrulia (Opistheploce) cinerea     Schmidt, Olga, 2015, List of primary types of the larentiine moth species (Lepidoptera: Geometridae) described from Indonesia - a starting point for biodiversity assessment of the subfamily in the region, Biodiversity Data Journal 3, pp. 5447-5447 : 5447 5447
Opistheurista derrubadensis     Ruschel, Tatiana Petersen, Guidoti, Marcus & Barcellos, Aline, 2013, The Hemiptera type-material housed in the “ Museu de Ciências Naturais, Fundação Zoobotânica do Rio Grande do Sul ” of Porto Alegre, Brazil, Zootaxa 3716 (4), pp. 539-564 : 542 542
Opistheurista derrubadensis   sp. nov.  Ferreira, Paulo Sérgio F. & Coelho, Lívia A., 2006, (Heteroptera: Miridae: Mirinae), Zootaxa 1126, pp. 63-68 : 64-68 64-68
Opisthias     Allain, Ronan, Vullo, Romain, Rozada, Lee, Anquetin, Jérémy, Bourgeais, Renaud, Goedert, Jean, Lasseron, Maxime, Martin, Jeremy E., Pérez-García, Adán, Fabrègues, Claire Peyre De, Royo-Torres, Rafael, Augier, Dominique & Bailly, Gilles, 2022, Vertebrate paleobiodiversity of the Early Cretaceous (Berriasian) Angeac-Charente Lagerstätte (southwestern France): implications for continental faunal turnover at the J / K boundary, Geodiversitas 44 (25), pp. 683-752 : 701-702 701-702
Opisthiini     Bouchard, Patrice, Bousquet, Yves, Davies, Anthony E., Alonso-Zarazaga, Miguel A., Lawrence, John F., Lyal, Chris H. C., Newton, Alfred F., Reid, Chris A. M., Schmitt, Michael, Ślipinski, S. Adam & Smith, Andrew B. T., 2011, Family-group names in Coleoptera (Insecta), ZooKeys 88, pp. 1-972 : 70 70
Opisthiini     Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 128 128
Opisthioglyphe ranae     Arabuli, Lela, Murvanidze, Lali, Faltynkova, Anna & Mumladze, Levan, 2024, Checklist of digeneans (Platyhelminthes, Trematoda, Digenea) of Georgia, Biodiversity Data Journal 12, pp. 110201-110201 : 110201 110201
Opisthioglyphe rastellus     Arabuli, Lela, Murvanidze, Lali, Faltynkova, Anna & Mumladze, Levan, 2024, Checklist of digeneans (Platyhelminthes, Trematoda, Digenea) of Georgia, Biodiversity Data Journal 12, pp. 110201-110201 : 110201 110201
Opisthioglyphe ranae     Shakarbaev, U. A., Akramova, F. D. & Azimov, D. A., 2020, The Taxonomic Survey Of The Cercarial Fauna (Platyhelminthes, Trematoda) In The Mollusks Of Uzbekistan, Zoodiversity 54 (6), pp. 505-522 : 516 516
Plagiorchiida   new species  Moravec, František & Sey, Otto, 1989, Some amphibian trematodes from Vietnam and Papua New Guinea., Vestnik Ceskoslovenske Spolecnosti Zoologicke 53, No. 4, pp. 265-279 : 274 274
Plagiorchiida   new species  Uchida, A., Itagaki, H. & Inoue, H., 1980, Studies on the amphibian helminths in Japan. 7. Rhacophotrema itagakii n. g. et n. sp. and Opisthioglyphe japonicus n. sp. (Digenea: Omphalometridae) from frogs., Japanese Journal of Parasitology 29, No. 2, pp. 109-113 : 110 110
Opisthioglyphe amplicavus     Campião, Karla Magalhães, Morais, Drausio Honorio, Dias, Olívia Tavares, Aguiar, Aline, Toledo, Gislayne De Melo, Tavares, Luiz Eduardo Roland & Silva, Reinaldo José Da, 2014, Checklist of Helminth parasites of Amphibians from South America, Zootaxa 3843 (1), pp. 1-93 : 59 59
Plagiorchiida   new species  Dollfus, R. P., 1950, Trematodes récoltés au Congo Belge par le Professeur Paul Brien (mai-aout 1937), Annales du Musée Royal du Congo Belge, Série 5, Zoologiques 1, No. 1, pp. 1-136 : 37 37
Plagiorchiida   new species  Wang, P. - q., 1987, Four new species of digenetic trematodes from the amphibians and reptiles of Fujian., Acta Herpetologica Sinica 6, No. 3, pp. 71-77 : 72, 76 72, 76
Plagiorchiida   new species  Kossack, Wilhelm, 1910, Neue Distomen., Centralblatt für Bakteriologie, Parasitenkunde und Infektionskrankheiten 56, pp. 114-120 : 117 117
Opisthioparorchis dehradunensis   new species  Rizvi, Anjum N., Bursey, Charles R. & Bhutia, Pasang T., 2012, Three new species of Digenea (Batrachotrematidae) in Nanorana minica (Anura, Dicroglossidae) from Uttarakhand, India., Acta Parasitologica 57, No. 2, pp. 154-159 : 156 156
Opisthioparorchis boulengeris   new species  Li, Minmin, 1997, Notes on fauna of trematodes of frog and birds in Wuling Mountains area and description of five new species. In: Song, Daxiang (Ed.) Invertebrates of Wuling Mountains area, Southwestern China., Science Press : 302, 311 302, 311
Opisthioparorchis yunnanse   new species  Li, Daoning, 1996, Two new species of trematode of frogs in Yunnan Province., Annual Bulletin of the Society of Parasitology Guangdong Province 18, pp. 60-63 : 61 61
Opisthioparorchis ranae   new species  Wang, P. - q., 1980, Report on some trematodes from amphibians and reptiles in Fujian, South China., Fujian Shida Xuebao 2, pp. 81-92 : 81 81
Opisthioparorchis boheaensis   new species  Wang, P. - q., 1980, Report on some trematodes from amphibians and reptiles in Fujian, South China., Fujian Shida Xuebao 2, pp. 81-92 : 83 83
Opisthioparorchis megaloonis   new species  Liang, Chi & Ke, Xiaolin, 1988, Four new trematodes of mammals and amphibians from Guangdong Province., Annual Bulletin of the Society of Parasitology Guangdong Province 10, pp. 129-133 : 132 132
Opisthioparorchis nanoranae   new species  Rizvi, Anjum N., Bursey, Charles R. & Bhutia, Pasang T., 2012, Three new species of Digenea (Batrachotrematidae) in Nanorana minica (Anura, Dicroglossidae) from Uttarakhand, India., Acta Parasitologica 57, No. 2, pp. 154-159 : 156 156
Opisthioparorchis pleurogenitus   new species  Wang, P. - q., 1980, Report on some trematodes from amphibians and reptiles in Fujian, South China., Fujian Shida Xuebao 2, pp. 81-92 : 82 82
Opisthioparorchis indica   new species  Tandon, Veena, Imkongwapang, R. & Prasad, Pamod Kumer, 2005, On two new species of the trematode genera, Opisthioparorchis Wang, 1980 and Batrachotrema Dollfus and Williams, 1966 (Batrachotrematidae), with a report of a Chinese species of Opisthioparorchis from anuran amphibian hosts in India., Zoos' Print Journal 20, No. 6, pp. 1883-1887 : 1885 1885
Opisthioparorchis meixianensis   new species  Liang, Chi & Ke, Xiaolin, 1988, Four new trematodes of mammals and amphibians from Guangdong Province., Annual Bulletin of the Society of Parasitology Guangdong Province 10, pp. 129-133 : 131 131
Opisthius     Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 128 128
Gonaphodiellus opisthius     Minor, Pablo, 2017, New state records and updated checklist of Aphodiini and Eupariini (Coleoptera: Scarabaeidae: Aphodiinae) from Mexico, Zootaxa 4244 (4), pp. 493-514 : 506 506
Gonaphodiellus opisthius     Dellacasa, Marco, Dellacasa, Giovanni & Gordon, Robert D., 2012, Systematic revision of Gonaphodiellus taxa, with description of two new genera and fourteen new species (Coleoptera: Scarabaeidae: Aphodiinae), Insecta Mundi 2012 (230), pp. 1-41 : 11-12 11-12
Opisthius richardsoni     Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 128 128
Opisthjapyx naledi   sp. nov.  Sendra, Alberto, Sánchez-García, Alba, Hoch, Hannelore, Jiménez-Valverde, Alberto, Selfa, Jesús, Moutaouakil, Soumia, Preez, Gerhard Du, Millar, Ian & Ferreira, Rodrigo Lopes, 2023, Life in darkness: an overview of cave-adapted japygids (Hexapoda, Diplura), European Journal of Taxonomy 894 (1), pp. 1-54 : 21-29 21-29
Plagiorchiida   new species  Zdzitowiecki, Krzysztof, 1990, Little known and new Antarctic Digenea species of the genera Neolepidapedon and Lepidapedon (Lepocreadiidae), Acta Parasitologica Polonica 35, No. 1, pp. 19-30 : 23 23
Urostylida   new species  Stokes, Alfred Cheatham, 1886, Some new hypotrichous infusoria, Proceedings of the American Philosophical Society 23, No. 121, pp. 21-30 : 29 29
Trematoda (awaiting allocation)   new genus  Yamaguti, S., 1971, Synopsis of digenetic trematodes of vertebrates, Keigaku : 576 576
Opisthobranchia     Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, Zootaxa 4477 (1), pp. 1-138 : 72 72
Opisthocentrinae     Laan, Richard Van Der, Eschmeyer, William N. & Fricke, Ronald, 2014, Family-group names of Recent fishes, Zootaxa 3882 (2), pp. 1-230 : 114 114
Perciformes   new species  Ueno, T., 1954, Studies on the deepwater fishes from off Hokkaido and adjacent regions. [With subtitles I and II], Japanese Journal of Ichthyology 3, pp. 79-82 : 103 103
Perciformes   new species  Steindachner, F., 1881, Ichthyologische Beiträge (X), Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaften Classe 83, No. 1, pp. 179-219 : 189 [11] 189 [11]
Perciformes   new species  Jordan, David Starr & Snyder, John Otterbein, 1902, A review of the blennoid fishes of Japan, Proceedings of the United States National Museum, 3 25, pp. 441-504 : 485 485
Opisthocepheus     Mahunka, S., 1986, A survey of the family Carabodidae C. L. Koch, 1836 (Acari: Oribatida), Acta Zoologica Hungarica 32, pp. 73-135 : 101 101
Opisthocheiron fallax     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 135 135
Ceratosphys guttata     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 131 131
Ceratosphys hispanica     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 131 131
Ceratosphys cryodeserti     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 130 130
Ceratosphys vandeli     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 133 133
Ceratosphys banyulensis     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 130 130
Ceratosphys escolai     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 130 130
Ceratosphys fernandoi     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 130 130
Ceratosphys deharvengi     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 130 130
Ceratosphys toniserrai     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 133 133
Ceratosphys jabaliensis     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 131 131
Ceratosphys vicenteae     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 133 133
Opisthocheiron canayerensis     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 134 134
Marquetiella lunata     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 134 134
Marquetiella auriculata     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 134 134
Sireuma nobile   sp. nov.  Reboleira, Ana Sofia P. S. & Enghoff, Henrik, 2014, Sireuma, a new genus of subterranean millipedes from the Iberian Peninsula (Diplopoda, Chordeumatida, Opisthocheiridae), Zootaxa 3785 (1), pp. 79-86 : 80-83 80-83
Opisthocheiron penicillatum     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 135 135
Opisthocheiron elegans     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 135 135
Ceratosphys simoni     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 132 132
Ceratosphys escolai     Enghoff, Henrik, 2017, Subterranean millipedes (Diplopoda) of the Iberian Peninsula, Zootaxa 4317 (2), pp. 355-369 : 360 360
Marquetiella pyrenaica     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 134 134
Marquetiella     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 134 134
Ceratosphys flammeola     Enghoff, Henrik, 2017, Subterranean millipedes (Diplopoda) of the Iberian Peninsula, Zootaxa 4317 (2), pp. 355-369 : 360 360
Ceratosphys occidentalis     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 132 132
Brachytropisoma giardinae     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 129 129
Ceratosphys bakeri     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 129 129
Opisthocheiron cornutum     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 134 134
Ceratosphys solanasi     Enghoff, Henrik, 2017, Subterranean millipedes (Diplopoda) of the Iberian Peninsula, Zootaxa 4317 (2), pp. 355-369 : 361 361
Hispaniosoma racovitzai     Enghoff, Henrik, 2017, Subterranean millipedes (Diplopoda) of the Iberian Peninsula, Zootaxa 4317 (2), pp. 355-369 : 361 361
Sireuma nobile     Enghoff, Henrik, 2017, Subterranean millipedes (Diplopoda) of the Iberian Peninsula, Zootaxa 4317 (2), pp. 355-369 : 361 361
Ceratosphys picta     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 132 132
Ceratosphys cryodeserti   sp. nov.  Gilgado, José D., Enghoff, Henrik, Tinaut, Alberto, Mauriès, Jean-Paul & Ortuño, Vicente M., 2015, Sierra Nevada (Granada, Spain): a high-altitude biogeographical crossroads for millipedes (Diplopoda), with first data on its MSS fauna and description of a new species of the genus Ceratosphys Ribaut, 1920 (Chordeumatida: Opisthocheiridae), Zootaxa 4044 (3), pp. 391-410 : 398-403 398-403
Ceratosphys nodipes     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 132 132
Ceratosphys fernandoi     Enghoff, Henrik, 2017, Subterranean millipedes (Diplopoda) of the Iberian Peninsula, Zootaxa 4317 (2), pp. 355-369 : 360 360
Ceratosphys poculifer     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 132 132
Ceratosphys solanasi     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 133 133
Ceratosphys amoena     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 129 129
Ceratosphys soutadei     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 133 133
Hispaniosoma racovitzai     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 133 133
Sireuma   gen. nov.  Reboleira, Ana Sofia P. S. & Enghoff, Henrik, 2014, Sireuma, a new genus of subterranean millipedes from the Iberian Peninsula (Diplopoda, Chordeumatida, Opisthocheiridae), Zootaxa 3785 (1), pp. 79-86 : 80 80
Opisthocheiridae     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 129 129
Ceratosphys     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 129 129
Ceratosphys mariacristinae   n. sp.  Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 131 131
Ceratosphys nivium     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 131 131
Ceratosphys geronensis     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 131 131
Ceratosphys flammeola     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 131 131
Ceratosphys jabaliensis     Enghoff, Henrik, 2017, Subterranean millipedes (Diplopoda) of the Iberian Peninsula, Zootaxa 4317 (2), pp. 355-369 : 361 361
Opisthocheiron lacazei     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 135 135
Ceratosphys toniserrai     Enghoff, Henrik, 2017, Subterranean millipedes (Diplopoda) of the Iberian Peninsula, Zootaxa 4317 (2), pp. 355-369 : 361 361
Ceratosphys angelieri     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 129 129
Ceratosphys hispanica     Enghoff, Henrik, 2017, Subterranean millipedes (Diplopoda) of the Iberian Peninsula, Zootaxa 4317 (2), pp. 355-369 : 361 361
Sireuma nobile     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 135 135
Opisthocomacarus     Hernandes, Fabio A. & Mironov, Sergey V., 2015, The feather mites of the hoatzin Opisthocomus hoazin (Müller) (Aves: Opisthocomiformes), with the description of two new genera and six new species (Acari: Analgoidea, Pterolichoidea), Zootaxa 4034 (3), pp. 401-444 : 435 435
Opisthocomacarus umbellifer     Hernandes, Fabio A. & Mironov, Sergey V., 2015, The feather mites of the hoatzin Opisthocomus hoazin (Müller) (Aves: Opisthocomiformes), with the description of two new genera and six new species (Acari: Analgoidea, Pterolichoidea), Zootaxa 4034 (3), pp. 401-444 : 436 436
Cuculiformes   new genus  Illiger, Johann Karl Wilhelm, 1811, Prodromus Systematis Mammalium et Avium: Additis Terminis Zoographicis Utriusque Classis, Eorumque Versione Germanica, Sumptibus C. Salfeld : 239 239
Opisthocosmia komarowi     Storozhenko, S. Yu. & Paik, J. Ch., 2009, The Correct Name Of Timome- Nus Komarowi (Semenov, 1901) (Dermaptera: Forficulidae, Opisthocosmiinae) With Lectotypification, Far Eastern Entomologist 199, pp. 7-8 : 7-8 7-8
Armandia opisthoculata   sp. nov.  Moreira, Juan & Parapar, Julio, 2017, New data on the Opheliidae (Annelida) from Lizard Island (Great Barrier Reef, Australia): five new species of the genus Armandia Filippi, 1861, Zootaxa 4290 (3), pp. 483-502 : 493-496 493-496
Cernosvitovia opisthocystis     Szederjesi, T., Pop, V. V. & Csuzdi, C., 2014, New And Little Known Earthworm Species From Peripheral Areas Of The Romanian Carpathians (Oligochaeta, Lumbricidae), Acta Zoologica Academiae Scientiarum Hungaricae 60 (2), pp. 85-107 : 90 90
Cernosvitovia opisthocystis     Stojanović, Mirjana, Sekulić, Jovana & Trakić, Tanja, 2018, Checklist of earthworms (Oligochaeta: Lumbricidae) from Serbia: a review, Zootaxa 4496 (1), pp. 124-155 : 136 136
Opisthodicrus cochlearistylus     Massa, Bruno, 2021, Orthoptera Tettigoniidae as indicators of biodiversity hotspots in the Guinean Forests of Central and West Tropical Africa, Zootaxa 4974 (3), pp. 401-458 : 417-418 417-418
Opisthodicrus cochlearistylus     Naskrecki, Piotr, 2008, Sylvan katydids (Orthoptera: Tettigoniidae: Pseudophyllinae) of the Guinean Forests of West Africa hotspot: an overview and descriptions of new species, Zootaxa 1712, pp. 1-41 : 22 22
Plagiorchiida   new species  Madhavi, R., 1974, Digenetic trematodes from marine fishes of Waltair Coast, Bay of Bengal. Family Monorchiidae, Rivista di Parassitologia 35, No. 2, pp. 87-98 : 91 91
Echinostomida   new species  Cohn, Ludwig, 1904, Helminthologische Mitteilungen II., Archiv für Naturgeschichte 70, pp. 229-252 : 240 240
Pleurostomatida   new genus  Steindachner, F., 1867, Amphibien, Reise der österreichischen Fregatte Novara um die Erde .. 9, pp. 1-70 : 9 9
Petromyzontiformes   new species  Gratzianov, V. J., 1907, Lampreys of the Russian Empire, Dnevn. Zool. Otd. Obsc. Liub. Jest. Moskva 3, No. 7, pp. 18-18 : 18 18
Opisthodonta hanneloreae   sp. nov.  San Martin, G & Hutchings, PA, 2006, Eusyllinae (Polychaeta: Syllidae) from Australia with the Description of a New Genus and Fifteen New Species, Records of the Australian Museum 58, pp. 257-370 : 302-303 302-303
Opisthodonta morena     Fukuda, Marcelo V., Nogueira, João M. M. & Martín, Guillermo San, 2015, Eusyllinae and “ Incertae sedis ” syllids (Annelida: Syllidae) from South America, with a new species from Brazil and a new combination for a Peruvian species, Zootaxa 3936 (4), pp. 507-537 : 526-530 526-530
Opisthodonta     Mikac, Barbara, 2015, A sea of worms: polychaete checklist of the Adriatic Sea, Zootaxa 3943 (1), pp. 1-172 : 130 130
Opisthodonta longocirrata     Faulwetter, Sarah, Simboura, Nomiki, Katsiaras, Nikolaos, Chatzigeorgiou, Giorgos & Arvanitidis, Christos, 2017, Polychaetes of Greece: an updated and annotated checklist, Biodiversity Data Journal 5, pp. 20997-20997 : 20997 20997
Opisthodonta     Aguado, M. Teresa, Murray, Anna & Hutchings, Pat, 2015, Syllidae (Annelida: Phyllodocida) from Lizard Island, Great Barrier Reef, Australia, Zootaxa 4019 (1), pp. 35-60 : 43 43
Opisthodonta     San Martin, G & Hutchings, PA, 2006, Eusyllinae (Polychaeta: Syllidae) from Australia with the Description of a New Genus and Fifteen New Species, Records of the Australian Museum 58, pp. 257-370 : 300 300
Opisthodonta morena     Martínez, María José & Martín, Guillermo San, 2020, Syllidae (Annelida) from East Timor and the Philippines (Pacific Ocean), with the description of three new species of Syllis Savigny in Lamarck, 1818, Zootaxa 4834 (2), pp. 231-263 : 234 234
Opisthodonta     Martínez, María José & Martín, Guillermo San, 2020, Syllidae (Annelida) from East Timor and the Philippines (Pacific Ocean), with the description of three new species of Syllis Savigny in Lamarck, 1818, Zootaxa 4834 (2), pp. 231-263 : 234 234
Opisthodonta longocirrata     Faulwetter, Sarah, Simboura, Nomiki, Katsiaras, Nikolaos, Chatzigeorgiou, Giorgos & Arvanitidis, Christos, 2017, Polychaetes of Greece: an updated and annotated checklist, Biodiversity Data Journal 5, pp. 20997-20997 : 20997 20997
Opisthodonta     Fukuda, Marcelo V., Nogueira, João M. M. & Martín, Guillermo San, 2015, Eusyllinae and “ Incertae sedis ” syllids (Annelida: Syllidae) from South America, with a new species from Brazil and a new combination for a Peruvian species, Zootaxa 3936 (4), pp. 507-537 : 525 525
Opisthodonta russelli     Fukuda, Marcelo V., Nogueira, João M. M. & Martín, Guillermo San, 2015, Eusyllinae and “ Incertae sedis ” syllids (Annelida: Syllidae) from South America, with a new species from Brazil and a new combination for a Peruvian species, Zootaxa 3936 (4), pp. 507-537 : 530-532 530-532
Opisthodonta rousei     Aguado, M. Teresa, Murray, Anna & Hutchings, Pat, 2015, Syllidae (Annelida: Phyllodocida) from Lizard Island, Great Barrier Reef, Australia, Zootaxa 4019 (1), pp. 35-60 : 43 43
Opisthodonta morena     Faulwetter, Sarah, Simboura, Nomiki, Katsiaras, Nikolaos, Chatzigeorgiou, Giorgos & Arvanitidis, Christos, 2017, Polychaetes of Greece: an updated and annotated checklist, Biodiversity Data Journal 5, pp. 20997-20997 : 20997 20997
Opisthodonta key    San Martin, G & Hutchings, PA, 2006, Eusyllinae (Polychaeta: Syllidae) from Australia with the Description of a New Genus and Fifteen New Species, Records of the Australian Museum 58, pp. 257-370 : 302 302
Opisthodonta morena     Faulwetter, Sarah, Simboura, Nomiki, Katsiaras, Nikolaos, Chatzigeorgiou, Giorgos & Arvanitidis, Christos, 2017, Polychaetes of Greece: an updated and annotated checklist, Biodiversity Data Journal 5, pp. 20997-20997 : 20997 20997
Lepidoptera   new species  Aurivillius, Per Olof Christopher, 1895, Diagnosen neuer Lepidopteren aus Afrika. 2, Entomologisk Tidskrift 16, No. 2, pp. 113-120 : 115 115
Lepidoptera   new species  Aurivillius, Per Olof Christopher, 1900, Diagnosen neuer Lepidopteren aus Afrika. 5, Entomologisk Tidskrift 20, No. 4, pp. 233-258 : 245 245
Proctodrilus opisthoductus     Stojanović, Mirjana, Sekulić, Jovana & Trakić, Tanja, 2018, Checklist of earthworms (Oligochaeta: Lumbricidae) from Serbia: a review, Zootaxa 4496 (1), pp. 124-155 : 148 148
Proctodrilus opisthoductus     Valchovski, Hristo, Misirlioğlu, Mete & Stojanović, Mirjana, 2018, New earthworm records (Clitellata: Lumbricidae) from Bulgaria since 2012, Zootaxa 4496 (1), pp. 173-174 : 173 173
Proctodrilus opisthoductus     Höser, Norbert, 2018, Interrelation of Proctodrilus species (Oligochaeta: Lumbricidae) with lessivage and layering in European soil profiles, Zootaxa 4496 (1), pp. 96-110 : 100-101 100-101
Proctodrilus opisthoductus     Szederjesi, Tímea, Vavoulidou, Evangelia, Chalkia, Christina, Dányi, László & Csuzdi, Csaba, 2017, An annotated checklist of earthworms of Greece (Clitellata: Megadrili), Zootaxa 4272 (1), pp. 57-82 : 74 74
Proctodrilus opisthoductus     Csuzdi, Csaba, Szederjesi, Tímea & Sherlock, Emma, 2018, Annotated checklist of earthworm species described by András Zicsi (Clitellata: Megadrili), Zootaxa 4496 (1), pp. 11-42 : 28 28
Opisthogenioidea   new family  Faubel, Anno, 1984, The Polycladida, Turbellaria. Proposal and establishment of a new system. Part II. The Cotylea., Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut 81, pp. 189-259 : 194 194
Opistognathidae     Golani, Daniel & Bogorodsky, Sergey V., 2010, 2463, Zootaxa 2463, pp. 1-135 : 79 79
Opisthogonimus tabascensis     Paredes-León, Ricardo, García-Prieto, Luis, Guzmán-Cornejo, Carmen, León-Règagnon, Virginia & Pérez, Tila M., 2008, Metazoan parasites of Mexican amphibians and reptiles, Zootaxa 1904, pp. 1-166 : 23 23
Opisthogonimus misionesensis     Lunaschi, Lia I., Álvarez, Victor Hugo Merlo & Damborenea, Cristina, 2012, Type material housed in the Helminthological Collection of the Museo de La Plata, Buenos Aires, Argentina, Zootaxa 3199, pp. 1-59 : 50 50
Opisthogonimus undetermined     Campião, Karla Magalhães, Morais, Drausio Honorio, Dias, Olívia Tavares, Aguiar, Aline, Toledo, Gislayne De Melo, Tavares, Luiz Eduardo Roland & Silva, Reinaldo José Da, 2014, Checklist of Helminth parasites of Amphibians from South America, Zootaxa 3843 (1), pp. 1-93 : 58-59 58-59
Plagiorchiida   new species  Nasir, P. & Gomez, Y., 1977, Digenetic trematodes from Venezuelan marine fishes, Rivista di Parassitologia 38, pp. 53-73 : 67 67
Plagiorchiida   new species  Madhavi, R., 1972, Digenetic trematodes from marine fishes of Waltair Coast, Bay of Bengal. I. Family Lepocreadiidae., Journal of Parasitology 58, No. 2, pp. 217-225 : 221 221
Plagiorchiida   new species  Hussain, Syed Altaf, Hanumantha Rao, K. & Shyamasundari, K., 1986, On three new digenetic trematodes and Hypocreadium indicum comb. nov., of the family: Lepocreadiidae (Odhner, 1905) Nicoll, 1935 from marine fishes of Waltair coast (Bay of Bengal)., Revista Ibérica de Parasitología 46, pp. 141-147 : 143 143
Plagiorchiida   new species  Ahmad, J., 1982, Studies on digenetic trematodes of the families Monorchiidae and Lepocreadiidae from marine fishes of India., Kanpur University Research Journal (Science) 1, No. 1981, pp. 53-69 : 66 66
Plagiorchiida   new species  Yamaguti, S., 1937, Studies on the helminth fauna of Japan. Part 17. Trematodes from a marine fish, Branchiostegus japonicus (Houttuyn), Satyû Yamaguti : 6 6
Plagiorchiida   new species  Mulay, V. B., 1976, Opisthogonoporus indicus n. sp. (Trematoda: Allocreadiidae Stossich, 1903) from the intestine of the fish, Caranx carangus in India., Rivista di Parassitologia 37, No. 2, pp. 167-170 : 167 167
Plagiorchiida   new species  Pritchard, M. H., 1963, Studies on digenetic trematodes of Hawaiian fishes, primarily families Lepocreadiidae and Zoogonidae, Journal of Parasitology 49, pp. 578-587 : 578 578
Araniella opisthographa     Paschetta, Mauro, Christille, Claretta, Marguerettaz, Fabio & Isaia, Marco, 2016, Regional catalogue of the spiders (Arachnida, Araneae) of Aosta Valley (NW Italy), Zoosystema 38 (1), pp. 49-125 : 58 58
Araniella opisthographa     Crespo, Luis C, Domenech, Marc, Enguidanos, Alba, Malumbres-Olarte, Jagoba, Cardoso, Pedro, Moya-Larano, Jordi, Frias-Lopez, Cristina, Macias-Hernandez, Nuria, De Mas, Eva, Mazzuca, Paola, Mora, Elisa, Opatova, Vera, Planas, Enric, Ribera, Carles, Roca-Cusachs, Marcos, Ruiz, Dolores, Sousa, Pedro, Tonzo, Vanina & Arnedo, Miquel A., 2018, A DNA barcode-assisted annotated checklist of the spider (Arachnida, Araneae) communities associated to white oak woodlands in Spanish National Parks, Biodiversity Data Journal 6, pp. 29443-29443 : 29443 29443
Araniella opisthographa     Zamani, Alireza, Marusik, Yuri M. & Sestakova, Anna, 2020, On Araniella and Neoscona (Araneae, Araneidae) of the Caucasus, Middle East and Central Asia, ZooKeys 906, pp. 13-40 : 13 13
Araniella opisthographa     Isaia, Marco, Paschetta, Mauro & Chiarle, Alberto, 2015, Annotated checklist of the spiders (Arachnida, Araneae) of the Site of Community Importance and Special Area of Conservation “ Alpi Marittime ” (NW Italy), Zoosystema 37 (1), pp. 57-114 : 80-81 80-81
Opisthograptis luteolata     Makhov, Ilya, 2021, Geometridae (Lepidoptera) of the Baikal region: keys to species and an annotated catalogue. Part 1. Ennominae, Zootaxa 4962 (1), pp. 1-125 : 68-69 68-69
Aspar opisthoisotrichus   sp. nov.  Ujvári, Zs., 2012, Review Of The American Genera Aspar Halašková, 1977 And Blaszakzercon Kemal & Koçak, 2009 (Acari, Mesostigmata, Zerconidae) With Description Of Three New Species, Acta Zoologica Academiae Scientiarum Hungaricae 58 (3), pp. 275-296 : 277-280 277-280
Plagiorchiida   new species  Liu, Sheng-fa, 1999, Description of three new species of Opistholebetidae (Trematodes: Digenea)., Acta Zootaxonomica Sinica 24, No. 3, pp. 265-271 : 265, 269 265, 269
Plagiorchiida   new species  Manter, Harold W., 1947, The digenetic trematodes of marine fishes of Tortugas, Florida, The American Midland Naturalist 38, No. 2, pp. 257-416 : 268 268
Plagiorchiida   new species  Bilqees, Fatima Mujib & Nighat, Yasmin, 1982, Two species of the genus Opistholebes Nicoll, 1915 from the fish Diodon hystrix of Karachi coast (Trematoda: Opistholebetidae)., Pakistan Journal of Zoology 14, No. 1, pp. 33-37 : 33 33
Plagiorchiida   new species  Ozaki, Yoshimasa, 1937, Studies on the trematode families Gyliauchenidae and Opistholebetidae, with special reference to lymph system. I., Journal of Science of the Hiroshima University, Section B, Division 1 5, No. 5, pp. 125-165 : 127, 133, 135, 136 127, 133, 135, 136
Plagiorchiida   new species  Ozaki, Yoshimasa, 1935, Two new trematodes of the family Opistholebetidae Travassos. (Preliminary note), Proceedings of the Imperial Academy 11, pp. 244-246 : 244 244
Plagiorchiida   new species  Gupta, A. N., 1968, On three new species of Opistholebes (Opistholebetidae Fukui, 1929) from the globe fish, Tetraodon viridipunctatus (Gunther) from India., Journal of helminthology 42, pp. 283-288 : 283 283
Plagiorchiida   new species  Gupta, A. N., 1968, On three new species of Opistholebes (Opistholebetidae Fukui, 1929) from the globe fish, Tetraodon viridipunctatus (Gunther) from India., Journal of helminthology 42, pp. 283-288 : 284 284
Plagiorchiida   new species  Gupta, A. N., 1968, On three new species of Opistholebes (Opistholebetidae Fukui, 1929) from the globe fish, Tetraodon viridipunctatus (Gunther) from India., Journal of helminthology 42, pp. 283-288 : 286 286
Plagiorchiida   new species  Cable, Raymond M., 1956, Opistholebes diodontis n. sp., its development in the final host, the affinities of some amphistomatous trematodes from marine fishes and the allocreadioid problem., Parasitology 46, No. 1, pp. 1-13 : 1 1
Plagiorchiida   new species  Nicoll, W., 1915, The trematode parasites of north Queensland. III. Parasites of fishes, Parasitology 8, pp. 24-41 : 36 36
Plagiorchiida   new species  Gupta, A. N., 1968, Heterolebes spindalis sp. n., family Opistholebetidae Fukui, 1929 (Trematoda: Digenea) from Tetradon immaculatus (Cantor) and discussion on the status of the genus Heterolebes., Acta Parasitologica Polonica 15, pp. 361-365 : 361 361
Plagiorchiida   new species  Liu, Sheng-fa, 1999, Description of three new species of Opistholebetidae (Trematodes: Digenea)., Acta Zootaxonomica Sinica 24, No. 3, pp. 265-271 : 267, 270 267, 270
Plagiorchiida   new species  Yamaguti, S., 1959, Studies on the helminth fauna of Japan. Part 54. Trematodes of fishes, XII, Publications of the Seto Marine Biological Laboratory 7, pp. 241-262 : 246 246
Plagiorchiida   new species  Ozaki, Yoshimasa, 1935, Two new trematodes of the family Opistholebetidae Travassos. (Preliminary note), Proceedings of the Imperial Academy 11, pp. 244-246 : 245 245
Plagiorchiida   new species  Shen, J. - w., 1986, Digenetic trematodes of fishes from the East China Sea I. Species of the families Opistholebetidae, Lepocreadiidae and Cryptogonimidae., Studia Marina Sinica 27, No. 9, pp. 209-219 : 210, 217 210, 217
Plagiorchiida   new species  Shen, J. - w., 1986, Digenetic trematodes of fishes from the East China Sea I. Species of the families Opistholebetidae, Lepocreadiidae and Cryptogonimidae., Studia Marina Sinica 27, No. 9, pp. 209-219 : 209, 216 209, 216
Plagiorchiida   new species  Nicoll, W., 1915, The trematode parasites of north Queensland. III. Parasites of fishes, Parasitology 8, pp. 24-41 : 23 23
Plagiorchiida   new species  Shen, J. - w. & Tong, Yong-yong, 1990, Studies on the digenetic trematodes of fishes from the Daya Bay (Trematoda), Acta Zootaxonomica Sinica 15, pp. 385-392 : 385, 390 385, 390
Plagiorchiida   new species  Manter, Harold W. & Crowcroft, Peter W., 1950, A new genus of amphistome (Trematoda) from a Tasmanian marine fish., Proceedings of the Helminthological Society of Washington 17, No. 2, pp. 122-126 : 122 122
Plagiorchiida   new species  Gu, Chang-dong & Shen, J. - w., 1979, Ten new species of digenetic trematodes of marine fishes, Acta Zootaxonomica Sinica 4, pp. 342-355 : 343 343
Plagiorchiida   new species  Yamaguti, S., 1959, Studies on the helminth fauna of Japan. Part 54. Trematodes of fishes, XII, Publications of the Seto Marine Biological Laboratory 7, pp. 241-262 : 257 257
Plagiorchiida   new species  Layman, E. M., 1930, Parasitic worms from the fishes of Peter The Great Bay, Izvestiya Tikhookeanskoi Nauchno-Promyslovi Ostantsii 3, pp. 1-120 : 95 95
Plagiorchiida   new species  Gupta, A. N., 1969, Studies on Pseudoheterolebes g. n. (Trematoda: Digenea) from Tetradon viridipunctata (Gunther) from Madras, India with the description of P. indicus sp. n. as its type-species and key to the genera of family Opistholebetidae Fukui, 1929., Acta Parasitologica Polonica 15, No. 1968, pp. 355-359 : 355 355
Plagiorchiida   new species  Yamaguti, S., 1938, Studies on the helminth fauna of Japan. Part 21. Trematodes of fishes, IV, Satyû Yamaguti : 21 21
Plagiorchiida   new species  Liu, Sheng-fa, 1999, Description of three new species of Opistholebetidae (Trematodes: Digenea)., Acta Zootaxonomica Sinica 24, No. 3, pp. 265-271 : 266, 270 266, 270
Plagiorchiida   new species  Shen, J. - w. & Qiu, Zhaozhi, 1995, Studies on the trematodes of fishes from the Yellow Sea and the Bo Hai Sea, Science Press : 38, 167 38, 167
Plagiorchiida   new species  Parukhin, A M, 1970, New species of trematodes in fish from the Red Sea., Biologiya Morya, Kiev 20, pp. 267-272 : 270 270
Trematoda (awaiting allocation)   new species  Baer, J. G., 1970, Deux trematodes nouveaux de Musaraignes d'Afrique occidentale., Anales de Instituto de Biología, Universidad Nacional Autónoma de México, Serie Zoologia 41, No. 1, pp. 11-18 : 12 12
Opistholeptus pallidus     Krüger, Andreas & Deckert, Jürgen, 2016, True bugs (Hemiptera-Heteroptera) of Botswana — Bibliographical inventory and new records, Zootaxa 4114 (1), pp. 33-63 : 53 53
Opistholeptus elegans     Krüger, Andreas & Deckert, Jürgen, 2016, True bugs (Hemiptera-Heteroptera) of Botswana — Bibliographical inventory and new records, Zootaxa 4114 (1), pp. 33-63 : 53 53
Tamandua mexicana subsp. opistholeuca     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Pilosa, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 100-103 : 103 103
Oenanthe picata subsp. opistholeuca     Shirihai, Hadoram, Schweizer, Manuel, Kirwan, Guy M. & Svensson, Lars, 2014, Saxicola syenitica Heuglin, 1869 (Aves: Passeriformes: Muscicapidae), an overlooked taxon of Oenanthe?, Zootaxa 3785 (1), pp. 1-24 : 4 4
Dendrobates opisthomelas     Amézquita, Adolfo, Márquez, Roberto, Medina, Ricardo, Mejía-Vargas, Daniel, Kahn, Ted R., Suárez, Gustavo & Mazariegos, Luis, 2013, A new species of Andean poison frog, Andinobates (Anura: Dendrobatidae), from the northwestern Andes of Colombia, Zootaxa 3620 (1), pp. 163-178 : 168-177 168-177
Puffinus opisthomelas     Sánchez-Montes, Sokani, Colunga-Salas, Pablo, Álvarez-Castillo, Lucía, Guzmán-Cornejo, Carmen & Montiel-Parra, Griselda, 2018, Chewing lice (Insecta: Phthiraptera) associated with vertebrates in Mexico, Zootaxa 4372 (1), pp. 1-109 : 85 85
Plagiorchiida   new species  Ahmad, J., 1977, Two new species of digenetic trematodes of fishes from the Bay of Bengal., Netherlands Journal of Zoology 27, pp. 305-309 : 305 305
Plagiorchiida   new species  Karyakarte, P. P. & Yadav, B. B., 1976, Opisthomonorcheides indicus sp. n. (Trematoda: Monorchiidae) from the marine fish, Stromateus niger in India., Rivista di Parassitologia 37, pp. 157-160 : 158 158
Plagiorchiida   new species  Parukhin, A M, 1966, Some new trematode species from the marine fish of the Tonkin Gulf., Zoologicheskii Zhurnal 45, pp. 1462-1466 : 1465 1465
Plagiorchiida   new species  Ahmad, J. & Gupta, V., 1985, Studies on new monorchid and gorgoderid trematodes (Trematoda: Digenea) from marine fishes from the Bay of Bengal, off the Puri coast, Orissa., Rivista di Parassitologia 46, pp. 45-59 : 51 51
Plagiorchiida   new species  Gupta, S. P. & Gupta, R. C., 1978, On four new trematodes from marine fishes., Indian Journal of Helminthology 28, No. 2, pp. 114-126 : 120 120
Plagiorchiida   new species  Gupta, V. & Singh, A. K., 1990, On two new species of the genus Opisthomonorcheides Parukhin, 1966 from marine fishes of Puri (Orissa) and Quilon (Kerala)., Indian Journal of Helminthology 41, No. 2, pp. 124-130 : 127 127
Plagiorchiida   new species  Gupta, V. & Singh, A. K., 1990, On two new species of the genus Opisthomonorcheides Parukhin, 1966 from marine fishes of Puri (Orissa) and Quilon (Kerala)., Indian Journal of Helminthology 41, No. 2, pp. 124-130 : 124 124
Plagiorchiida   new species  Khan, A. K. & Karyakarte, P. P., 1985, A new species of digenetic trematode, Opisthomonorcheides (Monorchiidae: Opisthomonorcheidinae) from the fish Stromateus argenteus (Bloch) in India., Rivista di Parassitologia 45, No. 1, pp. 99-103 : 101 101
Plagiorchiida   new species  Gupta, V. & Puri, M., 1985, Three new species of the genus Opisthomonorcheides Parukhin, 1966 (Family: Monorchiidae Odhner, 1911) from marine fishes of Puri, Orissa., Rivista di Parassitologia 45, No. 1984, pp. 253-261 : 254 254
Plagiorchiida   new species  Lokhande, L. U., 1993, Opisthomonorcheides yamagutinsis sp. nov. from the intestine of pomfret Stromateus argenteus., Journal of the Marine Biological Association of India 35, pp. 229-232 : 230 230
Plagiorchiida   new species  Gupta, V. & Puri, M., 1985, Three new species of the genus Opisthomonorcheides Parukhin, 1966 (Family: Monorchiidae Odhner, 1911) from marine fishes of Puri, Orissa., Rivista di Parassitologia 45, No. 1984, pp. 253-261 : 256 256
Plagiorchiida   new species  Karyakarte, P. P. & Yadav, B. B., 1976, Opisthomonorcheides karwarensis n. sp. (Trematoda: Monorchiidae) from the marine fish Stromateus niger (Bloch) in India., Marathwada University Journal of Science (Biological Sciences) 15, pp. 165-168 : 165 165
Plagiorchiida   new species  Ahmad, J., 1985, Digenetic trematodes from marine fishes of Arabian Sea, off the Bombay coast, India. On three new species of the genus Opisthomonorcheides Parukhin, 1966 (Digenea: Monorchiidae)., Rivista di Parassitologia 45, No. 1984, pp. 245-252 : 245 245
Plagiorchiida   new species  Gupta, V. & Puri, M., 1985, Three new species of the genus Opisthomonorcheides Parukhin, 1966 (Family: Monorchiidae Odhner, 1911) from marine fishes of Puri, Orissa., Rivista di Parassitologia 45, No. 1984, pp. 253-261 : 258 258
Plagiorchiida   new species  Ahmad, J., 1985, Digenetic trematodes from marine fishes of Arabian Sea, off the Bombay coast, India. On three new species of the genus Opisthomonorcheides Parukhin, 1966 (Digenea: Monorchiidae)., Rivista di Parassitologia 45, No. 1984, pp. 245-252 : 250 250
Plagiorchiida   new species  Ahmad, J., 1985, Digenetic trematodes from marine fishes of Arabian Sea, off the Bombay coast, India. On three new species of the genus Opisthomonorcheides Parukhin, 1966 (Digenea: Monorchiidae)., Rivista di Parassitologia 45, No. 1984, pp. 245-252 : 248 248
Plagiorchiida   new species  Gupta, N. K. & Puri, A., 1981, Studies on some digenetic trematodes of marine fishes from Calicut, Kerala (India)., Acta Parasitologica Polonica 28, No. 3, pp. 21-31 : 22 22
Plagiorchiida   new species  Bray, Rodney A. & Justine, Jean-Lou, 2013, Three species of opisthomonorchiine monorchiids (Digenea) in Carangoides spp. (Perciformes: Carangidae) from off New Caledonia, with a description of Opisthomonorchis dinema n. sp., Systematic Parasitology 85, No. 2, pp. 147-156 : 148 148
Plagiorchiida   new species  Yamaguti, S., 1952, Parasitic worms mainly from Celebes. Part 1. New digenetic trematodes of fishes, Acta Medicinae Okayama 8, pp. 146-198 : 170 170
Plagiorchiida   new species  Machida, Masaaki, 2011, Additional monorchiid digeneans (Trematoda) from fishes of Japanese and adjacent waters., Bulletin of the National Science Museum, Series A, Zoology 37, No. 1, pp. 1-8 : 4 4
Plagiorchiida   new species  Varma, P. K. & Singh, J. P., 1979, Opisthomonorchis thapari n. sp. from a marine fish Caranx armatus (Cuv. and Val.) from the Arabian Sea at Quilon, India, Indian Journal of Zootomy 20, No. 1, pp. 49-50 : 49 49
Oxytricha opisthomuscorum     Durán-Ramírez, Carlos Alberto, Dias, Roberto Júnio Pedroso & Estrada, Rosaura Mayén-, 2020, Checklist of ciliates (Alveolata: Ciliophora) that inhabit in bromeliads from the Neotropical Region, Zootaxa 4895 (1), pp. 1-36 : 10 10
Opisthoncus unicolor     Gardzińska, Joanna & Żabka, Marek, 2013, Redescription of the genus Opisthoncus L. Koch, 1880 (Araneae: Salticidae), Zootaxa 3717 (4), pp. 401-447 : 446 446
Opisthoncus necator     Gardzińska, Joanna & Żabka, Marek, 2013, Redescription of the genus Opisthoncus L. Koch, 1880 (Araneae: Salticidae), Zootaxa 3717 (4), pp. 401-447 : 430 430
Opisthoncus mordax     Gardzińska, Joanna & Żabka, Marek, 2013, Redescription of the genus Opisthoncus L. Koch, 1880 (Araneae: Salticidae), Zootaxa 3717 (4), pp. 401-447 : 427-430 427-430
Opisthoncus machaerodus     Gardzińska, Joanna & Żabka, Marek, 2013, Redescription of the genus Opisthoncus L. Koch, 1880 (Araneae: Salticidae), Zootaxa 3717 (4), pp. 401-447 : 423-427 423-427
Opisthoncus bellus     Gardzińska, Joanna & Żabka, Marek, 2013, Redescription of the genus Opisthoncus L. Koch, 1880 (Araneae: Salticidae), Zootaxa 3717 (4), pp. 401-447 : 410 410
Opisthoncus barbipalpis     Gardzińska, Joanna & Żabka, Marek, 2013, Redescription of the genus Opisthoncus L. Koch, 1880 (Araneae: Salticidae), Zootaxa 3717 (4), pp. 401-447 : 410 410

[ more ] [ link ]

Specimens