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impar, Taxa Only, Exact Match: 99 Treatments

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Euphaea impar     Dijkstra, Klaas-Douwe B., Kalkman, Vincent J., Dow, Rory A., Stokvis, Frank R. & Tol, Jan Van, 2014, Redefining the damselfly families: a comprehensive molecular phylogeny of Zygoptera (Odonata). Supporting Information Table 2: List of analysed samples., Systematic Entomology 39 (1), pp. 1-10 : 5 5
Eupines (Byraxis) impar     Shen, Jia-Wei & Leschen, Richard A. B., 2020, Revision of Eupines King of New Zealand (Coleoptera: Staphylinidae: Pselaphinae: Goniaceritae), Zootaxa 4777 (1), pp. 1-84 : 41-43 41-43
Torymus impar     Dale-Skey, Natalie, Askew, Richard R., Noyes, John S., Livermore, Laurence & Broad, Gavin R., 2016, Checklist of British and Irish Hymenoptera - Chalcidoidea and Mymarommatoidea, Biodiversity Data Journal 4, pp. 8013-8013 : 8013 8013
Rhicnocoelia impar     Haas, Michael, Baur, Hannes, Schweizer, Tanja, Monje, Juan Carlos, Moser, Marina, Bigalk, Sonia & Krogmann, Lars, 2021, Tiny wasps, huge diversity - A review of German Pteromalidae with new generic and species records (Hymenoptera: Chalcidoidea), Biodiversity Data Journal 9, pp. 77092-77092 : 77092 77092
Walchiella impar     Nielsen, David H., Robbins, Richard G. & Rueda, Leopoldo M., 2021, Annotated world checklist of the Trombiculidae and Leeuwenhoekiidae (1758 - 2021) (Acari: Trombiculoidea), with notes on nomenclature, taxonomy, and distribution, Zootaxa 4967 (1), pp. 1-243 : 95 95
Mesolecanium impar     Williams, Douglas J. & Ben-Dov, Yair, 2009, 2285, Zootaxa 2285, pp. 1-64 : 27 27
Ludovicius impar     Sforzi, Alessandra & Sommaggio, Daniele, 2021, Catalog of the Diptera types described by Camillo Rondani, Zootaxa 4989 (1), pp. 1-438 : 104-105 104-105
Walchiella impar subsp. subimpar     Stekolnikov, Alexandr A., 2019, A catalogue of the holotypes of chigger mites (Acariformes: Trombiculidae) at the Natural History Museum of Geneva, Zootaxa 4620 (1), pp. 1-71 : 45 45
Paracypridea impar     Bate, Raymond H., Horne, David J., Horne, Sarah E., Douglas, Lyndsey, Miller, Giles & Lord, Alan R., 2022, Non-marine Ostracoda (Crustacea) of the Early Cretaceous ‘ Pre-Salt’ sediments of Brazil: An illustrated catalogue of the type specimens of Wicher, Krömmelbein, Krömmelbein & Weber, and Bate, Zootaxa 5098 (1), pp. 1-84 : 45 45
Chrysops impar     Sforzi, Alessandra & Sommaggio, Daniele, 2021, Catalog of the Diptera types described by Camillo Rondani, Zootaxa 4989 (1), pp. 1-438 : 280 280
Torymus impar     Dale-Skey, Natalie, Askew, Richard R., Noyes, John S., Livermore, Laurence & Broad, Gavin R., 2016, Checklist of British and Irish Hymenoptera - Chalcidoidea and Mymarommatoidea, Biodiversity Data Journal 4, pp. 8013-8013 : 8013 8013
Stenamma impar     Guénard, Benoit, Mccaffrey, Katherine A., Lucky, Andrea & Dunn, Rob R., 2012, Ants of North Carolina: an updated list (Hymenoptera: Formicidae), Zootaxa 3552, pp. 1-36 : 27 27
Harmothoe impar     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
Photomorphus (Photomorphus) impar     Brabant, Craig M., Williams, Kevin A. & Pitts, James P., 2010, True females of the subgenus Photomorphina Schuster (Hymenoptera: Mutillidae), Zootaxa 2559, pp. 58-68 : 65 65
Solea impar   new species  Bennett, Edward Turner, 1831, Characters of new genera and species of fishes of the Atlantic coast of northern Africa presented by Capt. Belcher, Proceedings of the Zoological Society of London, B 1, pp. 145-148 : 147 147
Ptychopseustis impar     Agassiz, David, 2022, The tribe Cybalomiini (Lepidoptera: Pyraloidea, Crambidae, Glaphyrinae) of sub-Saharan Africa, Zootaxa 5174 (2), pp. 101-156 : 125 125
Crenulister impar   sp. n.  Caterino, Michael S. & Tishechkin, Alexey K., 2014, New genera and species of Neotropical Exosternini (Coleoptera, Histeridae), ZooKeys 381, pp. 11-78 : 56-59 56-59
Rhyacophila impar     Baturina, N. S., 2019, NEW RECORDS OF CADDISFLIES (TRICHOPTERA) FROM SALAIR RIDGE, WEST SIBERIA, Far Eastern Entomologist 388, pp. 16-22 : 20 20
Parallelodemas impar     Prena, Jens & Zhang, Runzhi, 2014, A taxonomic revision of Parallelodemas Faust from South China (Coleoptera, Curculionidae, Baridinae), with notes on sexually dimorphic characters, Deutsche Entomologische Zeitschrift 61 (2), pp. 105-119 : 111-112 111-112
Zelus impar     Zhang, Guanyang, Hart, Elwood R & Weirauch, Christiane, 2016, A taxonomic monograph of the assassin bug genus Zelus Fabricius (Hemiptera: Reduviidae): 71 species based on 10,000 specimens, Biodiversity Data Journal 4, pp. 8150-8150 : 8150 8150
Euphaea impar subsp. impar     Lieftinck, M. A., 1935, A Synopsis of the Odonata (Dragonflies) of Sumatra, Miscellanea Zoologica Sumatrana 1, pp. 1-23 : 3 3
Cyclorhipidion impar   comb. nov.  Smith, Sarah M., Beaver, Roger A. & Sittichaya, Wisut, 2022, One hundred eighteen taxonomic changes among Xyleborine ambrosia beetles (Coleoptera: Curculionidae: Scolytinae), Zootaxa 5194 (2), pp. 151-175 : 157-158 157-158
Gonatocerus impar     Triapitsyn, Serguei V., 2006, A key to the Mymaridae (Hymenoptera) egg parasitoids of proconiine sharpshooters (Hemiptera: Cicadellidae) in the Nearctic region, with description of two new species of Gonatocerus, Zootaxa 1203, pp. 1-38 : 31-32 31-32
Borbo impar subsp. bipunctata     Zhang, Jing, Cong, Qian, Shen, Jinhui & Grishin, Nick V., 2022, Taxonomic changes suggested by the genomic analysis of Hesperiidae (Lepidoptera), Insecta Mundi 2022 (921), pp. 1-135 : 39 39
Pegusa impar     Carneiro, Miguel, Martins, Rogélia, Landi, Monica & Costa, Filipe O., 2014, Updated checklist of marine fishes (Chordata: Craniata) from Portugal and the proposed extension of the Portuguese continental shelf, European Journal of Taxonomy 73, pp. 1-73 : 61 61
Lycianthes impar     Knapp, Sandra, 2022, A revision of Lycianthes (Solanaceae) in Australia, New Guinea, and the Pacific, PhytoKeys 209, pp. 1-134 : 1 1
Brachypogon impar     Spinelli, Gustavo & Wolff, Marta, 2016, FAMILY CERATOPOGONIDAE, Zootaxa 4122 (1), pp. 98-141 : 120 120
Mesolecanium impar     de, María Cristina Granara & Willink, 2012, Revisión sistemática de Mesolecanium Cockerell de la región Neotropical (Hemiptera: Coccidae), con sinonimia y combinaciones nuevas, Insecta Mundi 2012 (262), pp. 1-33 : 10-11 10-11
Tanytarsus impar     Dantas, Galileu P. S. & Giłka, Wojciech, 2017, New Tanytarsus van der Wulp from the Brazilian Amazonia indicate clues to intrageneric relations (Diptera: Chironomidae), Zootaxa 4294 (2), pp. 281-291 : 284 284
Plagiorchiida   new species  Bray, Rodney A. & Cribb, Thomas H., 1996, Preptetos and Neopreptetos (Digenea: Lepocreadiidae) from Australian marine fishes, Folia Parasitologica 43, pp. 209-226 : 213 213
Eupines (Byraxis) impar     Shen, Jia-Wei & Leschen, Richard A. B., 2019, Catalogue and type designations for New Zealand Goniaceritae (Coleoptera: Staphylinidae: Pselaphinae), Zootaxa 4614 (2), pp. 255-302 : 267 267
Eosentomon impar   sp. nov.  Nakamura, Osami, 2010, Taxonomic revision of the family Eosentomidae (Hexapoda: Protura) from Japan 2701, Zootaxa 2701, pp. 1-109 : 49-52 49-52
Reconcavona impar     Bate, Raymond H., Horne, David J., Horne, Sarah E., Douglas, Lyndsey, Miller, Giles & Lord, Alan R., 2022, Non-marine Ostracoda (Crustacea) of the Early Cretaceous ‘ Pre-Salt’ sediments of Brazil: An illustrated catalogue of the type specimens of Wicher, Krömmelbein, Krömmelbein & Weber, and Bate, Zootaxa 5098 (1), pp. 1-84 : 27 27
Symplocodes impar     Gupta, Sunil Kumar & Chandra, Kailash, 2019, An annotated checklist of cockroaches (Blattodea) from India, Zootaxa 4614 (3), pp. 461-497 : 485 485
Walchiella impar     Antonovskaia, A. A., Balakirev, A. E. & Lopatina, Y. V., 2023, New data on the distribution of chigger mites (Acariformes: Trombiculidae) associated with small mammals in Vietnam, Zootaxa 5346 (3), pp. 271-306 : 286 286
Medon impar     Assing, V., 2007, A revision of Western Palaearctic Medon. V. A new species from Iran and additional records (Coleoptera: Staphylinidae, Paederinae), Linzer biologische Beiträge 39 (1), pp. 23-32 : 24 24
Parallelodemas impar     Prena, Jens & Zhang, Runzhi, 2014, A taxonomic revision of Parallelodemas Faust from South China (Coleoptera, Curculionidae, Baridinae), with notes on sexually dimorphic characters, Deutsche Entomologische Zeitschrift 61 (2), pp. 105-119 : 111-112 111-112
Polydrusus (Metallites) impar     Yunakov, Nikolai, Nazarenko, Vitalij, Filimonov, Rostislav & Volovnik, Semyon, 2018, A survey of the weevils of Ukraine (Coleoptera: Curculionoidea), Zootaxa 4404 (1), pp. 1-494 : 318 318
Lepidoptera   new species  Walker, Francis, 1855, Part VI. Lepidoptera Heterocera, List of the Specimens of Lepidopterous Insects in the Collection of the British Museum 6, pp. 1259-1508 : 1334 1334
Rhicnocoelia impar     Dale-Skey, Natalie, Askew, Richard R., Noyes, John S., Livermore, Laurence & Broad, Gavin R., 2016, Checklist of British and Irish Hymenoptera - Chalcidoidea and Mymarommatoidea, Biodiversity Data Journal 4, pp. 8013-8013 : 8013 8013
Euconnus (Euconnus) impar     Jałoszyński, Paweł, 2022, Euconnus Thomson of Japan: redescriptions of species established by Reitter, Sharp and Franz, new synonyms, and summary of current state of knowledge (Coleoptera, Staphylinidae, Scydmaeninae), Zootaxa 5093 (1), pp. 1-37 : 13-15 13-15
Pegusa impar     Bariche, Michel & Fricke, Ronald, 2020, The marine ichthyofauna of Lebanon: an annotated checklist, history, biogeography, and conservation status, Zootaxa 4775 (1), pp. 1-157 : 103 103
Cosmocomoidea impar     Huber, John T., Read, Jennifer D. & Triapitsyn, Serguei V., 2020, Illustrated key to genera and catalogue of Mymaridae (Hymenoptera) in America north of Mexico, Zootaxa 4773 (3), pp. 1-411 : 138-139 138-139
Endochironomus impar     Chamutiová, Tímea, Hamerlík, Ladislav & Bitušík, Peter, 2020, Subfossil chironomids (Diptera, Chironomidae) of lakes in the Tatra Mountains an illustrated guide, Zootaxa 4819 (2), pp. 216-264 : 251 251
Rhicnocoelia impar     Haas, Michael, Baur, Hannes, Schweizer, Tanja, Monje, Juan Carlos, Moser, Marina, Bigalk, Sonia & Krogmann, Lars, 2021, Tiny wasps, huge diversity - A review of German Pteromalidae with new generic and species records (Hymenoptera: Chalcidoidea), Biodiversity Data Journal 9, pp. 77092-77092 : 77092 77092
Hermerius impar     Jin, Mengjie, Keyzer, Roger De, Hutchinson, Paul, Pang, Hong & Ślipiński, Adam, 2020, A Review Of The Australian Macrotomini (Coleoptera: Cerambycidae: Prioninae), Annales Zoologici 70 (1), pp. 33-96 : 66-67 66-67
Sybistroma impar     Grichanov, Igor Ya. & Kazerani, Farzaneh, 2014, A new species of Sybistroma Meigen (Diptera: Dolichopodidae) from the Middle East with a key to West-Palaearctic species of the genus, Zootaxa 3866 (4), pp. 572-582 : 580 580
Omalium riparium subsp. impar     Shavrin, Alexey V. & Khachikov, Eduard A., 2023, Faunistic and diagnostic notes on some species of the genus Omalium Gravenhorst, 1802 of Caucasus, Turkey and Iran (Coleoptera: Staphylinidae: Omaliinae, Omaliini), Zootaxa 5227 (4), pp. 443-458 : 450 450
Hymenoptera   new species  Townes, Henry, 1977, A revision of the Rhopalosomatidae (Hymenoptera), Contributions of the American Entomological Institute 15, No. 1, pp. 1-34 : 20 20
Euphaea impar     M. A. Lieftinck, 1940, Descriptions and records of South-East Asiatic Odonata (II), Treubia 17 (4), pp. 337-392 : 341-344 341-344
Rhicnocoelia impar     Dale-Skey, Natalie, Askew, Richard R., Noyes, John S., Livermore, Laurence & Broad, Gavin R., 2016, Checklist of British and Irish Hymenoptera - Chalcidoidea and Mymarommatoidea, Biodiversity Data Journal 4, pp. 8013-8013 : 8013 8013
Walchiella impar subsp. nonimpar     Stekolnikov, Alexandr A., 2019, A catalogue of the holotypes of chigger mites (Acariformes: Trombiculidae) at the Natural History Museum of Geneva, Zootaxa 4620 (1), pp. 1-71 : 45 45
Rhicnocoelia impar     Kissayi, Khadija, Benhalima, Souâd & Mitroiu, Mircea-Dan, 2019, Annotated check-list of Pteromalidae (Hymenoptera: Chalcidoidea) of Morocco. Part I, Acta Entomologica Musei Nationalis Pragae (Acta. Ent. Mus. Natl. Pragae) 59 (2), pp. 519-528 : 525 525
Harmothoe impar     Barnich, R. & Fiege, D., 2000, Revision of the Mediterranean species of Harmothoe Kinberg, 1856 Lagisca Malmgren, 1865 (Polychaeta: Polynoidae: Polynoinae) descriptions of a new genus and a new species, Journal of Natural History 34, pp. 1889-1938 : 1906-1907 1906-1907
Walchiella impar     Stekolnikov, Alexandr A., 2021, A checklist of chigger mites (Acariformes: Trombiculidae) of Southeast Asia, Zootaxa 4913 (1), pp. 1-163 : 101 101
Lamiales   new species  Schlechter, Fridrich Richard Rudolf, 1923, 85. Gesneriaceae papuanae, Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie. 58, pp. 255-379 : 276 276
Cosmiophaena impar     Serrano, Artur R. M., Capela, Rúben A., Nunes, Telmo & Santos, Carmen Van-Dú- Nem Neto, 2020, The rose chafers (Coleoptera: Scarabaeidae: Cetoniinae) of Angola: a descriptive checklist with new records and synonymic notes, Zootaxa 4776 (1), pp. 1-130 : 22 22
Seilopogon impar     Sforzi, Alessandra & Sommaggio, Daniele, 2021, Catalog of the Diptera types described by Camillo Rondani, Zootaxa 4989 (1), pp. 1-438 : 62 62
Sybistroma impar     Kechev, Mihail, Naglis, Stefan, Tonguç, Alper & Pollet, Marc, 2020, Checklist of the Dolichopodidae (Diptera, Empidoidea) of the Balkan Peninsula with first records for Bulgaria, Montenegro, North Macedonia, and for the European part of Turkey, Zootaxa 4819 (3), pp. 436-472 : 462 462
Harmothoe impar     Barnich, Ruth & Fiege, Dieter, 2009, Revision of the genus Harmothoe Kinberg, 1856 (Polychaeta: Polynoidae) in the Northeast Atlantic, Zootaxa 2104 (1), pp. 1-76 : 48-50 48-50
Zelus impar     Zhang, Guanyang, Hart, Elwood R & Weirauch, Christiane, 2016, A taxonomic monograph of the assassin bug genus Zelus Fabricius (Hemiptera: Reduviidae): 71 species based on 10,000 specimens, Biodiversity Data Journal 4, pp. 8150-8150 : 8150 8150
Polydrusus impar     Yunakov, N. N. & Klass K. D., 2012, Contribution to the taxonomy and nomenclature of Entiminae from the Palaearctic region and South Africa (Coleoptera: Curculionidae), Beiträge Zur Entomologie = Contributions to Entomology 62 (2), pp. 427-445 : 433-434 433-434
Xyleborus impar var. nanus     Behne, Lutz & Gaedike, Hannelore, 2013, Katalog der in den Sammlungen des Senckenberg Deutschen Entomologischen Instituts aufbewahrten Typen - Coleoptera: Scolytidae (Curculionoidea), Beiträge Zur Entomologie = Contributions to Entomology 63 (2), pp. 241-254 : 246-250 246-250
Gonatocerus impar     Triapitsyn, Serguei V., 2006, A key to the Mymaridae (Hymenoptera) egg parasitoids of proconiine sharpshooters (Hemiptera: Cicadellidae) in the Nearctic region, with description of two new species of Gonatocerus, Zootaxa 1203, pp. 1-38 : 32 32
Harmothoe impar     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
Lygosoma (Emoa) impar     Barabanov, Andrei & Milto, Konstantin, 2017, An annotated type catalogue of the anguid, dibamid, scincid and varanid lizards in the Department of Herpetology, Zoological Institute, Russian Academy of Sciences, St. Petersburg, Russia (Reptilia: Sauria: Anguidae, Dibamidae, Scincidae and Varanidae), Zootaxa 4244 (1), pp. 65-78 : 72 72
Walchiella impar subsp. malayensis     Stekolnikov, Alexandr A., 2019, A catalogue of the holotypes of chigger mites (Acariformes: Trombiculidae) at the Natural History Museum of Geneva, Zootaxa 4620 (1), pp. 1-71 : 44-45 44-45
Aerumnosa impar   sp. nov.  Vilkamaa, Pekka, Rudzinski, Hans-Georg, Burdíková, Nikola & Ševčík, Jan, 2018, Phylogenetic position of Aerumnosa Mohrig (Diptera, Sciaridae) as revealed by multigene analysis, with the description of four new Oriental species, Zootaxa 4399 (2), pp. 248-260 : 255-256 255-256
Mesolecanium impar     de, María Cristina Granara & Willink, 2012, Revisión sistemática de Mesolecanium Cockerell de la región Neotropical (Hemiptera: Coccidae), con sinonimia y combinaciones nuevas, Insecta Mundi 2012 (262), pp. 1-33 : 10-11 10-11
Pentachaeta impar   sp. nov.  McAlpine, David K., 2014, Review of the Australian Genus Pentachaeta (Diptera: Heleomyzidae), with Descriptions of Nine New Species, Records of the Australian Museum 66 (5), pp. 247-264 : 258-260 258-260
Opimaphora impara     Bakker, Piet A. J. & Albano, Paolo G., 2022, Nomenclator, geographic and stratigraphic distribution of the family Triphoridae (Mollusca: Gastropoda), Zootaxa 5088 (1), pp. 1-216 : 88 88
Imparales panamensis     Carlos Donascimiento & John G. Lundberg, 2005, Myoglanis aspredinoides (Siluriformes: Heptapteridae), a new catfish from the Río Ventuari, Venezuela., Zootaxa 1009, pp. 37-49 : 47 47
Siluriformes   new species  Schultz, Leonard P., 1944, A new genus and species of pimelodid catfish from Colombia, Journal of the Washington Academy of Sciences 34, No. 3, pp. 93-95 : 94 94
Dyschloropsis impararia     Makhov, Ilya, 2023, Geometridae (Lepidoptera) of the Baikal region: identification keys and annotated catalogue with notes to DNA barcoding. Part 2. Archiearinae, Geometrinae, Sterrhinae, Zootaxa 5294 (1), pp. 1-120 : 41 41
Cassida imparata     Sekerka, Lukáš, Jia, Fenglong, Pang, Hong & Borowiec, Lech, 2016, Cassidinae (Coleoptera: Chrysomelidae) types deposited at Sun Yat-sen University, Guangzhou, China, Zootaxa 4084 (1), pp. 50-78 : 56 56
Polygonarea imparata     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 : 18-19 18-19
Gymnoscelis (Botys?) imparatalis     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
Gymnoscelis (Botys?) imparatalis     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
Corvus imparatus     Guzmán-Cornejo, Carmen, Herrera-Mares, Angel, Robbins, Richard G. & Rebollo-Hernández, Andrea, 2019, The soft ticks (Parasitiformes: Ixodida: Argasidae) of Mexico: species, hosts, and geographical distribution, Zootaxa 4623 (3), pp. 485-525 : 495 495
Magiria imparella     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 : 97 97
Megacraspedus imparellus     Huemer, Peter & Karsholt, Ole, 2018, Revision of the genus Megacraspedus Zeller, 1839, a challenging taxonomic tightrope of species delimitation (Lepidoptera, Gelechiidae), ZooKeys 800, pp. 1-278 : 123-125 123-125
Imparfinis borodini     Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da & Pavanelli, Carla Simone, 2018, Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated, Neotropical Ichthyology 16 (2), pp. 1-111 : 68 68
Imparfinis mirini     Smith, Welber Senteio, Halcsik, Leticia, Biagioni, Renata Cassemiro, Pinheiro, Lúcio Antônio Stefani & Severino Stefani, Marta, 2021, An updated list of the ichthyofauna of Ipanema National Forest, São Paulo, Brazil, Check List 17 (3), pp. 827-840 : 837 837
Imparfinis key    Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da & Pavanelli, Carla Simone, 2018, Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated, Neotropical Ichthyology 16 (2), pp. 1-111 : 67-68 67-68
Siluriformes   new species  Eigenmann, C. H. & Norris, A. A., 1900, Sobre alguns peixes de S. Paulo, Brazil, Rev. Mus. Paulista 4, pp. 349-362 : 352 352
Imparfinis lineatus     Angulo, Arturo, 2021, New records and range extensions to the Costa Rican freshwater fish fauna, with an updated checklist, Zootaxa 5083 (1), pp. 1-72 : 30 30
Imparfinis minutus     Carlos Donascimiento & John G. Lundberg, 2005, Myoglanis aspredinoides (Siluriformes: Heptapteridae), a new catfish from the Río Ventuari, Venezuela., Zootaxa 1009, pp. 37-49 : 47 47
Imparfinis mirini     Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da & Pavanelli, Carla Simone, 2018, Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated, Neotropical Ichthyology 16 (2), pp. 1-111 : 68 68
Siluriformes   new species  Steindachner, F., 1915, Beiträge zur Kenntniss der Flussfische Südamerikas. V, Denkschriften der Kaiserlichen Akademie der Wissenschaften, Wien 93, pp. 15-106 : 61 [47] 61 [47]
Siluriformes   new species  Steindachner, F., 1915, Beiträge zur Kenntniss der Flussfische Südamerikas. V, Denkschriften der Kaiserlichen Akademie der Wissenschaften, Wien 93, pp. 15-106 : 59 [45] 59 [45]
Imparfinis usmai   sp. nov.  Ortega-Lara, Armando, Milani, Nadia, DoNascimiento, Carlos, Villa-Navarro, Francisco & Maldonado-Ocampo, Javier Alejandro, 2011, Two new trans-Andean species of Imparfinis Eigenmann & Norris, 1900 (Siluriformes: Heptapteridae) from Colombia, Neotropical Ichthyology 9 (4), pp. 777-793 : 782-789 782-789
Siluriformes   new species  Schubart, O., 1964, Duas novas espécies de peixe da família Pimelodidae do Rio Mogi Guaçu (Pisces, Nematognathi), Boletim do Museu Nacional Rio de Janeiro, Zoologia 244, pp. 1-22 : 9 9
Imparfinis key    Silva, Gabriel S. C., Reia, Lais, Morimoto, César K., Benine, Ricardo C. & Oliveira, Claudio, 2023, Integrative taxonomy of Imparfinis (Siluriformes, Heptapteridae) from the Upper Paraná River basin, Brazil, with description of a new species, Zootaxa 5249 (3), pp. 357-377 : 372 372
Imparfinis key    Ortega-Lara, Armando, Milani, Nadia, DoNascimiento, Carlos, Villa-Navarro, Francisco & Maldonado-Ocampo, Javier Alejandro, 2011, Two new trans-Andean species of Imparfinis Eigenmann & Norris, 1900 (Siluriformes: Heptapteridae) from Colombia, Neotropical Ichthyology 9 (4), pp. 777-793 : 790-791 790-791
Imparfinis minutus     de Brito, Victor & Buckup, Paulo Andreas, 2019, The fish fauna of the upper Piraí drainage, a transposed mountain river system in southeastern, Brazil, Check List 15 (1), pp. 235-247 : 242 242
Imparfinis munduruku   sp. nov.  Castro, Íthalo Da Silva & Wosiacki, Wolmar Benjamin, 2019, Anew species of Imparfinis Eigenmann & Norris, 1900 (Siluriformes: Heptapteridae) from the Tapajós basin, Brazil, Zootaxa 4701 (5), pp. 461-472 : 462-469 462-469
Imparfinis timana   sp. nov.  Ortega-Lara, Armando, Milani, Nadia, DoNascimiento, Carlos, Villa-Navarro, Francisco & Maldonado-Ocampo, Javier Alejandro, 2011, Two new trans-Andean species of Imparfinis Eigenmann & Norris, 1900 (Siluriformes: Heptapteridae) from Colombia, Neotropical Ichthyology 9 (4), pp. 777-793 : 778-782 778-782
Imparfinis schubarti     Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da & Pavanelli, Carla Simone, 2018, Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated, Neotropical Ichthyology 16 (2), pp. 1-111 : 69 69
Siluriformes   new species  Haseman, J. D., 1911, Some new species of fishes from the Rio Iguassú, Annals of the Carnegie Museum 7, No. 3, pp. 374-387 : 383 383

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Specimens