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C. occidentalis, Taxa Only, Exact Match: 241 Treatments

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Compsothespis occidentalis     Schwarz, Christian J., Pohl, Marius & Frank, Erik T., 2023, A preliminary checklist of the praying mantids of Comoé National Park, Ivory Coast (Insecta: Mantodea), Zootaxa 5373 (1), pp. 1-64 : 25 25
Pelidnota micobalaguerae subsp. occidentalis     Moore, Matthew R., Jameson, Mary L., Garner, Beulah H., Audibert, Cedric, Smith, Andrew B. T. & Seidel, Matthias, 2017, Synopsis of the pelidnotine scarabs (Coleoptera, Scarabaeidae, Rutelinae, Rutelini) and annotated catalog of the species and subspecies, ZooKeys 666, pp. 1-349 : 1 1
Celtis occidentalis     Konrad Lauber, Gerhart Wagner & Andreas Gygax, 2018, Flora Helvetica - Cannabaceae, Flora Helvetica, Bern: Haupt Verlag, pp. 230-230 : 230 230
Passalus (Pertinax) occidentalis   stat. nov.  Bevilaqua, Marcus & Fonseca, Claudio Ruy Vasconcelos da, 2020, Redescription of the species of Passalus Fabricius, 1792 (Coleoptera: Passalidae) described by Walter Douglas Hincks (1906 - 1961) deposited in the Museum of the University of Manchester, Journal of Natural History 54 (5 - 6), pp. 321-350 : 331-336 331-336
Peperomia cymbifolia subsp. var. var. occidentalis   var. nov.  Pino Infante, Guillermo Eloy, Samain, Marie-Stephanie, Alban Castillo, Joaquina Adelaida & Alomia Collazos, Luis Enrique Aaron, 2023, Species of Peperomia (Piperaceae) from the Sana River Valley, Peru, PhytoKeys 225, pp. 1-40 : 1 1
Cis occidentalis   sp. nov.  Lawrence, John F., 2019, The Australian Ciidae (Coleoptera: Tenebrionoidea): supplement, Zootaxa 4555 (4), pp. 451-490 : 452 452
Cryptocarya occidentalis   nom. nov.  van der Werff, Henk, 2013, Nomenclatural notes on Cryptocarya R. Br. (Lauraceae) from Madagascar, Candollea 68 (2), pp. 303-306 : 305-306 305-306
Tabanus occidentalis Linnaeus 1758     Wolff, Marta & Miranda-Esquivel, Daniel Rafael, 2016, FAMILY TABANIDAE, Zootaxa 4122 (1), pp. 249-301 : 283 283
Bruchus occidentalis     Stojanova, Anelia & György, Zoltán, 2011, Checklist of the Bulgarian Bruchinae (Coleoptera: Chrysomelidae), ZooNotes 25 (25), pp. 1-7 : 5 5
Laparocerus occidentalis     Machado, Antonio, 2006, The type material of the species of Laparocerus Schönherr, 1834 (Coleoptera, Curculionidae, Entiminae), Journal of Natural History 40 (35 - 37), pp. 2001-2055 : 2031 2031
Polycesta (Tularensia) elata LeConte 1858     Carlton, Christopher E., MacRae, Ted C., Tishechkin, Alexey K., Bayless, Victoria L. & Johnson, Wood, 2018, Annotated Checklist of the Buprestidae (Coleoptera) from Louisiana, The Coleopterists Bulletin 72 (2), pp. 351-367 : 352 352
Uroptychus occidentalis     Baba, Keiji & Wicksten, Mary K., 2019, Chirostyloidean squat lobsters (Crustacea: Decapoda: Anomura) from the Galapagos Islands, Zootaxa 4564 (2), pp. 391-421 : 411-416 411-416
Leptoglossus occidentalis     Lugo, David, Suarez, Daniel, Martin, Sonia, Afonso, Oscar Martin, Martin, Alicia & Ruiz, Carlos, 2023, First record of Leptoglossus occidentalis Heidemann, 1910 (Hemiptera, Coreidae) in the Canary Islands, a novel pine pest detected through citizen science in an oceanic archipelago, Biodiversity Data Journal 11, pp. 109851-109851 : 109851 109851
Cyrthosia occidentalis     Sforzi, Alessandra & Sommaggio, Daniele, 2021, Catalog of the Diptera types described by Camillo Rondani, Zootaxa 4989 (1), pp. 1-438 : 165-166 165-166
Eriocoma occidentalis subsp. californica (Merr. & Burtt Davy) Romasch., comb. nov.     Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J. & Reyna, Jesus Valdes, 2019, A key to the North American genera of Stipeae (Poaceae, Pooideae) with descriptions and taxonomic names for species of Eriocoma, Neotrinia, Oloptum, and five new genera: Barkworthia, x Eriosella, Pseudoeriocoma, Ptilagrostiella, and Thorneochloa, PhytoKeys 126, pp. 89-125 : 96 96
Cabdio occidentalis     Sayyadzadeh, Golnaz & Esmaeili, Hamid Reza, 2024, Freshwater lamprey and fishes of Iran: Reappraisal and updated checklist with a note on Eagderi et al. (2022), Zootaxa 5402 (1), pp. 1-99 : 51 51
Montenegrina perstriata subsp. occidentalis     Feher, Zoltan & Szekeres, Miklos, 2016, Taxonomic revision of the rock-dwelling door snail genus Montenegrina Boettger, 1877 (Mollusca, Gastropoda, Clausiliidae), ZooKeys 599, pp. 1-137 : 66-67 66-67
Sambomorpha occidentalis     Pérez-Hernández, Cisteil Xinum, 2017, An annotated catalogue of the Coleoptera types deposited in the National Insect Collection (CNIN) of the National Autonomous University of Mexico, Zootaxa 4288 (1), pp. 1-128 : 22 22
Eurhoptus occidentalis   sp. n.  Anderson, Robert S. & Caterino, Michael S., 2018, A revision of the genus Eurhoptus LeConte, 1876 (Curculionidae, Cryptorhynchinae) of America north of Mexico, ZooKeys 787, pp. 37-80 : 66-69 66-69
Coleoptera   new species  Hawlitschek, Oliver, Porch, Nick, Hendrich, Lars & Balke, Michael, 2011, Ecological niche modelling and nDNA sequencing support a new, morphologically cryptic beetle species unveiled by DNA barcoding, Public Library of Science, ONE 6, No. 2, pp. 16662-16662 : 16662--1 16662--1
Cypriniformes   new species  Ayres, W. O., 1854, [Description of new fishes from California.] (Minutes of Academy meetings were printed in “ The Pacific ” (a newspaper) shortly after each meeting. New species date to publication in The Pacific. Dates of publication are given in each species account), The Pacific 3, No. 6 : 10 10
Catocala chelidonia subsp. occidentalis   subsp. nov.  Hawks, David, 2010, Review of the Catocala delilah species complex (Lepidoptera, Erebidae), ZooKeys 39 (39), pp. 13-35 : 31 31
Chiroleptes occidentalis   sp. nov.  Anstis, Marion, Price, Luke C., Roberts, J. Dale, Catalano, Sarah R., Hines, Harry B., Doughty, Paul & Donnellan, Stephen C., 2016, Revision of the water-holding frogs, Cyclorana platycephala (Anura: Hylidae), from arid Australia, including a description of a new species, Zootaxa 4126 (4), pp. 451-479 : 469-472 469-472
Discozantaena occidentalis   sp. nov.  Bilton, David T & Perkins, Philip D, 2012, Two new species of Parhydraenini from South Africa (Coleoptera: Hydraenidae), Zootaxa 3342, pp. 51-59 : 52-53 52-53
Ellipsoscapha occidentalis     Cunha, Carlo M. & Salvador, Rodrigo B., 2018, Type specimens of fossil " Architectibranchia " and Cephalaspidea (Mollusca, Heterobranchia) in the Academy of Natural Sciences of Philadelphia, Zoosystematics and Evolution 94 (2), pp. 505-527 : 505 505
Cosmopsaltria giganta subsp. occidentalis     Sanborn, Allen F., 1999, Cicada (Homoptera: Cicadoidea) Type Material in the Collections of the American Museum of Natural History, California Academy of Sciences, Snow Entomological Museum, Staten Island Institute of Arts and Sciences, and the United States National Museum, The Florida Entomologist 82 (1), pp. 34-60 : 43-44 43-44
Graptoleberis occidentalis     Macêdo, Rafael Lacerda, Sousa, Francisco Diogo R., Jesus, Sheila Bonfim de, Nunesmaia, Bárbara Janaina Bezerra, Branco, Christina Wyss Castelo & Elmoor-Loureiro, Lourdes M. A., 2021, Cladocera (Crustacea, Branchiopoda) species of Bahia State, Brazil: a critical update on species descriptions, distributions, and new records, Nauplius (e 2021011) 29, pp. 1-26 : 25 25
Tricellaria occidentalis     Grischenko, Andrei V., Dick, Matthew H. & Mawatari, Shunsuke F., 2007, Diversity and taxonomy of intertidal Bryozoa (Cheilostomata) at Akkeshi Bay, Hokkaido, Japan, Journal of Natural History 41 (17 - 20), pp. 1047-1161 : 1091-1093 1091-1093
Machimus occidentalis     Dennis, D. Steve, Barnes, Jeffrey K. & Knutson, Lloyd, 2008, Pupal cases of Nearctic robber flies (Diptera: Asilidae), Zootaxa 1868 (1), pp. 1-98 : 88 88
Frankliniella occidentalis Pergande     Vierbergen, Gijsbertus, 2014, Thysanoptera intercepted in the Netherlands on plant products from Ethiopia, with description of two new species of the genus Thrips, Zootaxa 3765 (3), pp. 269-278 : 272 272
Conus occidentalis   spec. nov.  Linnaeus, Carolus, 1758, Systema Naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis, Stockholm: Laurentius Salvius : 714 714
Hephthopelta occidentalis   sp. nov.  Ng, Peter K. L. & Castro, Peter, 2016, Revision of the family Chasmocarcinidae Serène, 1964 (Crustacea, Brachyura, Goneplacoidea), Zootaxa 4209 (1), pp. 1-182 : 53-55 53-55
Senna occidentalis Link 2001     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part C), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 370-473 : 392 392
Caridina occidentalis   sp. nov.  Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard & Keith, Philippe, 2022, West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species, Zoosystema 44 (18), pp. 463-474 : 469-472 469-472
Culicoides (Monoculicoides) occidentalis     Huerta, Rodríguez, Ana M., William L. Grogan, Jr. & Ibáñez-Bernal, Sergio, 2012, New records of biting midges of the genus Culicoides Latreille from Mexico (Diptera: Ceratopogonidae), Insecta Mundi 2012 (211), pp. 1-20 : 13 13
Colobus guereza subsp. occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Primates, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 111-184 : 168 168
Renclasea occidentalis   sp. nov.  Tishechkin, Alexey K. & Caterino, Michael S., 2009, A new North American genus of Hetaeriinae (Coleoptera: Histeridae), with descriptions of six new species from the U. S. A. and Mexico, Zootaxa 2311, pp. 1-18 : 13-14 13-14
Colocania occidentalis   sp. n.  Gonzalez-Obando, Ranulfo, Aldrete, Alfonso N. Garcia, Carrejo-Gironza, Nancy & Mendivil, Julian, 2018, A new genus of Ptiloneuridae, its position within the family, and descriptions of five species (Psocodea, ' Psocoptera'), ZooKeys 780, pp. 11-34 : 11 11
Corasoides occidentalis   sp. nov.  Humphrey, Margaret, 2017, A Revision and Cladistic Analysis of the Genus Corasoides Butler (Araneae: Desidae) with Descriptions of Nine New Species, Records of the Australian Museum 69 (1), pp. 15-64 : 48-53 48-53
Cyrtolabulus occidentalis     Gusenleitner, J., 2013, Die Gattungen der Eumeninae im Nahen Osten, in Nordafrika und in Arabien (Hymenoptera: Vespidae: Eumeninae), Linzer biologische Beiträge 45 (1), pp. 5-107 : 23 23
Carnivora   new species  Howell, Arthur H., 1901, Revision of the skunks of the genus Chincha, North American Fauna 20, pp. 1-63 : 37 37
Cephalanthus occidentalis   spec. nov.  Linnaeus, Carolus, 1753, Species plantarum: exhibentes plantas rite cognitas, ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas, Stockholm: Laurentius Salvius : 95 95
Cotylogaster occidentalis     Alves, Philippe V., Vieira, Fabiano M., Santos, Cláudia P., Scholz, Tomáš & Luque, José L., 2015, A Checklist of the Aspidogastrea (Platyhelminthes: Trematoda) of the World, Zootaxa 3918 (3), pp. 339-396 : 375 375
Pelidnota unicolor subsp. occidentalis     Moore, Matthew R., Jameson, Mary L., Garner, Beulah H., Audibert, Cedric, Smith, Andrew B. T. & Seidel, Matthias, 2017, Synopsis of the pelidnotine scarabs (Coleoptera, Scarabaeidae, Rutelinae, Rutelini) and annotated catalog of the species and subspecies, ZooKeys 666, pp. 1-349 : 1 1
Cotylogaster occidentalis     Alves, Philippe V., Vieira, Fabiano M., Santos, Cláudia P., Scholz, Tomáš & Luque, José L., 2015, A Checklist of the Aspidogastrea (Platyhelminthes: Trematoda) of the World, Zootaxa 3918 (3), pp. 339-396 : 370 370
Leptoglossus occidentalis     Çerçi, Bariş, Karataş, Ahmet & Karataş, Ayşegül, 2021, Insecta non gratae: New Distribution Records of Eight Alien Bug (Hemiptera) Species in Turkey with Contributions of Citizen Science, Zootaxa 5057 (1), pp. 1-28 : 8-10 8-10
Crenadactylus occidentalis   sp. nov.  Doughty, Paul, Ellis, Ryan J. & Oliver, Paul M., 2016, Many things come in small packages: Revision of the clawless geckos (Crenadactylus: Diplodactylidae) of Australia, Zootaxa 4168 (2), pp. 239-278 : 253-256 253-256
Stenelmis occidentalis     Pérez-Hernández, Cisteil Xinum, 2017, An annotated catalogue of the Coleoptera types deposited in the National Insect Collection (CNIN) of the National Autonomous University of Mexico, Zootaxa 4288 (1), pp. 1-128 : 47 47
Cephalanthus occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part C), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 370-473 : 403 403
Cardaminopsis halleri subsp. occidentalis     Info Flora, 2021, Info Flora Schweiz - Brassicaceae, https://www.infoflora.ch/de/flora/brassicaceae.html (accessed 2023-10-20) : -1 -1
Agrypnus occidentalis   sp. nov.  Girard, Claude, 2003, Étude des peuplements d’Elateridae (Coleoptera) de la région du mont Nimba et descriptions de taxons nouveaux, Mémoires du Muséum national d'Histoire naturelle 190, pp. 393-550 : 416-418 416-418
Platypedia putnami var. occidentalis     Sanborn, Allen F., 1999, Cicada (Homoptera: Cicadoidea) Type Material in the Collections of the American Museum of Natural History, California Academy of Sciences, Snow Entomological Museum, Staten Island Institute of Arts and Sciences, and the United States National Museum, The Florida Entomologist 82 (1), pp. 34-60 : 54 54
Anthaxia (Haplanthaxia) occidentalis   sp. nov.  Bílý, Svatopluk, 2020, A revision of the Anthaxia (Haplanthaxia) dispar Kerremans species-group (Coleoptera: Buprestidae: Anthaxiini), Zootaxa 4851 (3), pp. 522-534 : 532-533 532-533
Juniperus occidentalis     Westcott, Richard L., Parsons, Gary L. & Johnson, Paul J., 2006, New records and other notes for Oregon Coleoptera, Zootaxa 1142 (1), pp. 1-33 : 9-10 9-10
Hotea (Tylonca) curculionoides subsp. occidentalis     Ghahari, Hassan, Moulet, Pierre & Rider, David A., 2014, An annotated catalog of the Iranian Pentatomoidea (Hemiptera: Heteroptera: Pentatomomorpha), Zootaxa 3837 (1), pp. 1-95 : 78 78
Mephitis mephitis subsp. occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Carnivora, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 532-628 : 622 622
Pontophilus gracilis subsp. occidentalis     Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 120-121 120-121
Platanus occidentalis     Stöhr, O., Pilsl, P., Essl, F., Hohla, M. & Schröck, C., 2007, Beiträge zur Flora von Österreich, II, Linzer biologische Beiträge 39 (1), pp. 155-292 : 234-235 234-235
Colobaea occidentalis     Bratt, Albertus D., Knutson, Lloyd V., Murphy, William L. & Daniels, Anthony A., 2020, Biology, immature stages, and systematics of snail-killing flies of the genus Colobaea (Diptera: Sciomyzidae), with overviews of aspects of the tribe Sciomyzini, Zootaxa 4840 (1), pp. 1-64 : 26 26
Cotylogaster occidentalis     Alves, Philippe V., Vieira, Fabiano M., Santos, Cláudia P., Scholz, Tomáš & Luque, José L., 2015, A Checklist of the Aspidogastrea (Platyhelminthes: Trematoda) of the World, Zootaxa 3918 (3), pp. 339-396 : 361-362 361-362
Chimarra triangularis subsp. occidentalis     Blahnik, Roger & Andersen, Trond, 2022, New species of the genus Chimarra Stephens from Africa (Trichoptera, Philopotamidae) and characterization of the African groups and subgroups of the genus, ZooKeys 1111, pp. 43-198 : 43 43
Perciformes   new species  Stephens, John S., 1970, Seven new chaenopsid blennies from the western Atlantic, Copeia 1970, No. 2, pp. 280-309 : 287 287
Macropoides crassipes subsp. occidentalis     Pérez-Hernández, Cisteil Xinum, 2017, An annotated catalogue of the Coleoptera types deposited in the National Insect Collection (CNIN) of the National Autonomous University of Mexico, Zootaxa 4288 (1), pp. 1-128 : 103 103
Colletteichthys occidentalis   sp. nov.  Greenfield, David W., 2012, Colletteichthys occidentalis, a new Toadfish Species from the Arabian Peninsula and Northern Arabian Sea (Teleostei: Batrachoididae), Zootaxa 3165, pp. 64-68 : 65-67 65-67
Thuja occidentalis     Suh, Soo-Jung, 2020, Host plant list of the scale insects (Hemiptera: Coccomorpha) in South Korea, Insecta Mundi 2020 (757), pp. 1-26 : 21 21
Pseudoscorpiones   new species  Chamberlin, Joseph Conrad, 1929, A synoptic classification of the false scorpions or chela-spinners, with a report on a cosmopolitan collection of the same. — Part I. The Heterosphyronida (Chthoniidæ) (Arachnida-Chelonethida), Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the ' Magazine of Botany and Zoology', and of Louden and Charlesworth's ' Magazine of Natural History', Series 10 4, No. 19, pp. 50-80 : 67 67
Choristoneura occidentalis     O’Hara, James E., 2005, A review of the tachinid parasitoids (Diptera: Tachinidae) of Nearctic Choristoneura species (Lepidoptera: Tortricidae), with keys to adults and puparia, Zootaxa 938, pp. 1-46 : 26 26
Canis lupus subsp. occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Carnivora, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 532-628 : 576 576
Thuja occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part T), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 878-905 : 887 887
Celtis occidentalis     Percy, Diana M., Rung, Alessandra & Hoddle, Mark S., 2012, An annotated checklist of the psyllids of California (Hemiptera: Psylloidea), Zootaxa 3193, pp. 1-27 : 21 21
Oxypiloidea (Catasigerpes) occidentalis     Schwarz, Christian J., Pohl, Marius & Frank, Erik T., 2023, A preliminary checklist of the praying mantids of Comoé National Park, Ivory Coast (Insecta: Mantodea), Zootaxa 5373 (1), pp. 1-64 : 43 43
Cyana occidentalis     Mbata, Keith J. & Prins, Jurate De, 2023, Annotated checklist of moths of Zambia (Insecta: Lepidoptera), Zootaxa 5354 (1), pp. 1-503 : 294 294
Culicoides occidentalis     Huerta, Rodríguez, Ana M., William L. Grogan, Jr. & Ibáñez-Bernal, Sergio, 2012, New records of biting midges of the genus Culicoides Latreille from Mexico (Diptera: Ceratopogonidae), Insecta Mundi 2012 (211), pp. 1-20 : 12 12
Hermerius occidentalis   sp. nov.  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 : 67 67
Metophthalmus occidentalis     Borges, Paulo A. V., Gaspar, Clara, Crespo, Luis Carlos Fonseca, Rigal, Francois, Cardoso, Pedro, Pereira, Fernando, Rego, Carla, Amorim, Isabel R., Melo, Catarina, Aguiar, Carlos, Andre, Genage, Mendonca, Enesima P., Ribeiro, Servio, Hortal, Joaquin, Santos, Ana M. C., Barcelos, Luis, Enghoff, Henrik, Mahnert, Volker, Pita, Margarida T., Ribes, Jordi, Baz, Arturo, Sousa, Antonio B., Vieira, Virgilio, Wunderlich, Joerg, Parmakelis, Aristeidis, Whittaker, Robert J., Quartau, Jose Alberto, Serrano, Artur R. M. & Triantis, Kostas A., 2016, New records and detailed distribution and abundance of selected arthropod species collected between 1999 and 2011 in Azorean native forests, Biodiversity Data Journal 4, pp. 10948-10948 : 10948 10948
Choristoneura occidentalis     Mbata, Keith J. & Prins, Jurate De, 2023, Annotated checklist of moths of Zambia (Insecta: Lepidoptera), Zootaxa 5354 (1), pp. 1-503 : 42-43 42-43
Nephrolepis cordifolia var. occidentalis     Hovenkamp PH & Miyamoto F, 2005, A conspectus of the native and naturalized species of Nephrolepis (Nephrolepidaceae) in the world, Blumea 50, pp. 279-322 : 310-312 310-312
Senna occidentalis Link 2001     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part C), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 370-473 : 393 393
Altica occidentalis     Clark, Shawn M., Lillrose, Tiffany & Belo Neto, Luiz A., 2013, Leaf Beetles of the Cayman Islands (Coleoptera: Chrysomelidae), Insecta Mundi 2013 (279), pp. 1-41 : 17-18 17-18
Cassia occidentalis   spec. nov.  Linnaeus, Carolus, 1753, Species plantarum: exhibentes plantas rite cognitas, ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas, Stockholm: Laurentius Salvius : 377 377
Goodea atripinnis     Ortega-Olivares, Mirza P., García-Prieto, Luis & García-Varela, Martín, 2014, Gryporhynchidae (Cestoda: Cyclophyllidea) in Mexico: species list, hosts, distribution and new records, Zootaxa 3795 (2), pp. 101-125 : 113-115 113-115
Celtis occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part C), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 370-473 : 397 397
Leptoglossus occidentalis     Ishikawa, Tadashi, Saito, Masayuki U., Kishimoto-Yamada, Keiko, Kato, Toshihide, Kurashima, Osamu & Ito, Motomi, 2015, Inventory of the Heteroptera (Insecta: Hemiptera) in Komaba Campus of the University of Tokyo, a highly urbanized area in Japan, Biodiversity Data Journal 3, pp. 4981-4981 : 4981 4981
Barbus occidentalis     Vreven, Emmanuel J. W. M. N., Musschoot, Tobias, Snoeks, Jos & Schliewen, Ulrich K., 2016, The African hexaploid Torini (Cypriniformes: Cyprinidae): review of a tumultuous history, Zoological Journal of the Linnean Society 177 (2), pp. 231-305 : 302 302
Glyphonyx occidentalis   sp. nov.  Németh, T. & Platia, G., 2014, On some Palaearctic click beetles deposited in the Hungarian Natural History Museum, 2 (Coleoptera: Elateridae) *, Zootaxa 3841 (4), pp. 451-490 : 459-460 459-460
Coleoptera   new species  Armstrong, J. W. T., 1953, On Autsralian Helodidae (Coleoptera). I. Description of new genera and species., Proceedings of the Linnean Society of New South Wales 78, pp. 19-32 : 24 24
Carnivora   new species  Mearns, Edgar A., 1897, Preliminary diagnoses of new mammals of the genera Lynx, Urocyon, Spilogale, and Mephitis, from the Mexican Boundary line., Proceedings of the United States National Museum 20, pp. 457-461 : 461 461
Paraphiomys shipmani Antoñanzas, Sen & Mein, 2004, sp. nov.     Antoñanzas, Raquel López, Sen, Sevket & Mein, Pierre, 2004, Systematics and phylogeny of the cane rats (Rodentia: Thryonomyidae), Zoological Journal of the Linnean Society 142, pp. 423-444 : 429 429
Thuja occidentalis     Becherer, 1956, Florae Vallesiacae Supplementum, Denkschriften der Schweizerischen Naturforschenden Gesellschaft 71, pp. 1-556 : 1-556 1-556
Dobrotworskyius occidentalis   comb. nov.  Reinert, John F., Harbach, Ralph E. & Kitching, Ian J., 2006, Phylogeny and classification of Finlaya and allied taxa (Diptera: Culicidae: Aedini) based on morphological data from all life stages, Zoological Journal of the Linnean Society 148 (1), pp. 1-101 : 89-91 89-91
Cis occidentalis   sp. nov.  Lawrence, John F., 2019, The Australian Ciidae (Coleoptera: Tenebrionoidea): supplement, Zootaxa 4555 (4), pp. 451-490 : 473-474 473-474
Anachlorocurtis occidentalis   sp. n.  Horka, Ivona, De Grave, Sammy & Ďuris, Zdenek, 2014, A new species of shrimp of the genus Anachlorocurtis Hayashi, 1975 from the Red Sea, with range extension of A. commensalis Hayashi, 1975 (Crustacea, Decapoda, Pandalidae), ZooKeys 407, pp. 9-28 : 12-21 12-21
Coleoptera   new species  Lea, Arthur Mills, 1907, On a new and remarkable genus of blind beetles from Australia and Tasmania of the family Trichopterygidae, Tasmanian naturalist 1, No. 3, pp. 14-16 : 16 16
Amara occidentalis     Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 596 596
Leptoglossus occidentalis     Brailovsky, Harry, 2014, Illustrated key for identification of the species included in the genus Leptoglossus (Hemiptera: Heteroptera: Coreidae: Coreinae: Anisoscelini), and descriptions of five new species and new synonyms, Zootaxa 3794 (1), pp. 143-178 : 152 152
Stenophthalmus occidentalis     Dawah, Hassan A., Abdullah, Mohammed A. & Deeming, John C., 2020, An overview of the Chloropidae (Diptera) of Saudi Arabia, Zootaxa 4791 (1), pp. 1-71 : 60 60
Phlaeopterus occidentalis   sp. nov.  Mullen, Logan J., Campbell, J. M. & Sikes, Derek S., 2018, Taxonomic Revision of the Rove Beetle Genus Phlaeopterus Motschulsky, 1853 (Coleoptera: Staphylinidae: Omaliinae: Anthophagini), The Coleopterists Bulletin 72, pp. 1-54 : 45-47 45-47
Thuja occidentalis     Essl, F., A, Lower & A, Lower, 2008, Bemerkenswerte floristische Funde aus Wien, Niederösterreich, dem Burgenland und der Steiermark, Teil V, Linzer biologische Beiträge 40 (1), pp. 341-369 : 361-362 361-362
Anthalona harti subsp. occidentalis   subsp. nov.  DAMME, KAY VAN, SINEV, ARTEM YU & DUMONT, HENRI J., 2011, Separation of Anthalona gen. n. from Alona Baird, 1843 (Branchiopoda: Cladocera: Anomopoda): morphology and evolution of scraping stenothermic alonines, Zootaxa 2875 (1), pp. 1-64 : 22-26 22-26
Musoda occidentalis   sp. nov.  Boulard, Michel, 1974, Descriptions de deux Cigales nouvelles du genre Musoda [Hom. Tibicinidae], Bulletin de la Société entomologique de Franc 79 (1), pp. 46-50 : 48-50 48-50
Siluriformes   new species  Pellegrin, J., 1933, Voyage de Ch. Alluaud et P. A. Chappuis en Afrique occidentale Française (Dec. 1930 -- Mars 1931). IV. Poissons, Archiv fuer Hydrobiologie 26, pp. 101-120 : 112 112
Cypriniformes   new species  Agassiz, Jean Louis Rodolphe, 1855, Art. XII. Synopsis of the ichthyological fauna of the Pacific slope of North America, chiefly from the collections made by the U. S. Expl. Exped. under the command of Captain C. Wilkes, with recent additions and comparisons with eastern types, The American Journal of Science and Arts, Series 2 19, pp. 71-99 : 94 94
Megasoma occidentalis     Ratcliffe, Brett C. & Morón, Miguel-Angel, 2005, Larval Descriptions Of Eight Species Of Megasoma Kirby (Coleoptera: Scarabaeidae: Dynastinae) With A Key For Identification And Notes On Biology, The Coleopterists Bulletin 59 (1), pp. 91-126 : 116 116
Gymnotus carapo subsp. occidentalis   subsp. nov.  Albert, James S., 2017, Revision of the polytypic electric fish Gymnotus carapo (Gymnotiformes, Teleostei), with descriptions of seven subspecies, Zootaxa 4318 (3), pp. 401-438 : 429-430 429-430
Thuja occidentalis     Essl, F. & Stöhr, O., 2006, Bemerkenswerte floristische Funde aus Wien, Niederösterreich, dem Burgenland und der Steiermark, Teil III, Linzer biologische Beiträge 38 (1), pp. 121-163 : 155 155
Hydrocanthus occidentalis     Keller, Oliver, Schnepp, Kyle E., Ashman, Krystal L., Turnbow, Robert H. & Skelley, Paul E., 2020, An annotated catalog of the type material of Adephaga and Myxophaga (Coleoptera) deposited in the Florida State Collection of Arthropods in Gainesville, Florida, United States of America, Zootaxa 4744 (1), pp. 1-118 : 102-103 102-103
Choristoneura occidentalis     O’Hara, James E., 2005, A review of the tachinid parasitoids (Diptera: Tachinidae) of Nearctic Choristoneura species (Lepidoptera: Tortricidae), with keys to adults and puparia, Zootaxa 938, pp. 1-46 : 21-22 21-22
Telfairia occidentalis     Umoh, Omodot Timothy & Bassey, Margaret Emmanuel, 2021, Morphology and distribution of species of the family Cucurbitaceae in Akwa Ibom State, Nigeria, Phytotaxa 508 (2), pp. 107-128 : 122 122
Colpocephalum occidentalis     Palma, Ricardo L. & Peck, Stewart B., 2013, <strong> An annotated checklist of parasitic lice (Insecta: Phthiraptera) from the Galápagos Islands </ strong>, Zootaxa 3627 (1), pp. 1-87 : 18 18
Tarachina occidentalis     Schwarz, Christian J., Pohl, Marius & Frank, Erik T., 2023, A preliminary checklist of the praying mantids of Comoé National Park, Ivory Coast (Insecta: Mantodea), Zootaxa 5373 (1), pp. 1-64 : 9-10 9-10
Pharaxonotha occidentalis   sp. nov.  Skelley, Paul E., Tang, William & Pérez-Farrera, Miguel Angel, 2022, Review of Pharaxonotha Reitter (Coleoptera: Erotylidae: Pharaxonothinae) inhabiting the cycad genus Dioon Lindl. (Cycadales), with descriptions of nine new species and comments on P. kirschii Reitter, Insecta Mundi 2022 (917), pp. 1-41 : 22-24 22-24
Hoplophoneus occidentalis     Therrien, François, 2005, Feeding behaviour and bite force of sabretoothed predators, Zoological Journal of the Linnean Society 145 (3), pp. 393-426 : 403-406 403-406
Holoneurus occidentalis     Jaschhof, Mathias, 2014, A revision of the types of Neotropical Porricondylinae (Diptera: Cecidomyiidae), Zootaxa 3779 (4), pp. 463-469 : 467-469 467-469
Poecilus occidentalis     Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 498 498
Leptoglossus occidentalis     Yildirim, E., Yazici, G. & Moulet, P., 2013, Contribution to the knowledge of the Gerridae, Coreoidea, Piesmatidae, Saldidae, Corixoidea, Nepoidea and Notonectidae (Hemiptera, Heteroptera) fauna of Turkey, Linzer biologische Beiträge 45 (1), pp. 995-1010 : 999 999
Leptophis occidentalis     Albuquerque, Nelson Rufino De & Fernandes, Daniel S., 2022, Taxonomic revision of the parrot snake Leptophis ahaetulla (Serpentes, Colubridae), Zootaxa 5153 (1), pp. 1-69 : 41-44 41-44
Glossocercus cyprinodontis Chandler 1935     Ortega-Olivares, Mirza P., García-Prieto, Luis & García-Varela, Martín, 2014, Gryporhynchidae (Cestoda: Cyclophyllidea) in Mexico: species list, hosts, distribution and new records, Zootaxa 3795 (2), pp. 101-125 : 106 106
Coleoptera   new species  Girard, Charles Frédéric, 1854, Descriptions of new fishes, collected by Dr. A. L. Heermann, naturalist attached to the survey of the Pacific railroad route, under Lieut. R. S. Williamson, U. S. A, Proceedings of the Academy of Natural Sciences of Philadelphia 7, pp. 129-140 : 137 137
Calisto aquilum subsp. occidentalis   subsp. nov.  Aguila, Rayner Núñez, Matos- Maraví, Pável F. & Wahlberg, Niklas, 2013, New Calisto species from Cuba, with insights on the relationships of Cuban and Bahamian taxa (Lepidoptera, Nymphalidae, Satyrinae), Zootaxa 3669 (4), pp. 503-521 : 516-517 516-517
Culicoides (Monoculicoides) occidentalis     Phillips, Robert A., 2022, Culicoides Latreille and Leptoconops Skuse biting midges of the southwestern United States with emphasis on the Canyonlands of southeastern Utah (Diptera: Ceratopogonidae), Insecta Mundi 2022 (907), pp. 1-214 : 71-72 71-72
Colpocephalum occidentalis     Gonza ́ Lez-Acun, Daniel A. & Palma, Ricardo L., 2021, An annotated catalogue of bird lice (Insecta: Phthiraptera) from Chile, Zootaxa 5077 (1), pp. 1-151 : 120 120
Dynastes hercules subsp. occidentalis     VILLAMARÍN-CORTEZ, SANTIAGO, YÁNEZ-CORONEL, JAVIER & CAMPOVERDE, MAYRA, 2016, CARACTERIZACIÓN MORFOLÓGICA DE LOS ESTADIOS LARVALES L 2 Y L 3 DE DYNASTES HERCULES OCCIDENTALIS (MELOLONTHIDAE: DYNASTINAE), Papéis Avulsos de Zoologia 56 (1), pp. 1-8 : 2-4 2-4
Bombus wurflenii subsp. pyrenaicus Vogt 1909     Ornosa, Concepción, Torres, Félix & Rúa, Pilar De La, 2017, Updated list of bumblebees (Hymenoptera: Apidae) from the Spanish Pyrenees with notes on their decline and conservation status, Zootaxa 4237 (1), pp. 41-77 : 45-46 45-46
Oreocossus occidentalis     Yakovlev, Roman V., Sulak, Harald & Witt, Thomas J., 2019, Preliminary list of Cossidae sensu str. (Lepidoptera, Cossoidea: Cossidae: Cossinae & Zeuzerinae) of the Republic of Angola with description of a new Strigocossus species, Zootaxa 4586 (3), pp. 445-460 : 456 456
Dynastes hercules subsp. occidentalis     VILLAMARÍN-CORTEZ, SANTIAGO, YÁNEZ-CORONEL, JAVIER & CAMPOVERDE, MAYRA, 2016, CARACTERIZACIÓN MORFOLÓGICA DE LOS ESTADIOS LARVALES L 2 Y L 3 DE DYNASTES HERCULES OCCIDENTALIS (MELOLONTHIDAE: DYNASTINAE), Papéis Avulsos de Zoologia 56 (1), pp. 1-8 : 4-7 4-7
Coleoptera   new species  Watts, Christopher H. S., 2009, Revision of Heterocyphon Armstrong, Peneveronatus Armstrong and Accolabass gen. nov. (Scirtidae: Coleoptera), Transactions of the Royal Society of South Australia 133, No. 1, pp. 108-149 : 121 121
Philothamnus natalensis subsp. occidentalis     Conradie, Werner, Branch, William R. & Watson, Gillian, 2019, Type specimens in the Port Elizabeth Museum, South Africa, including the historically important Albany Museum collection. Part 2: Reptiles (Squamata), Zootaxa 4576 (1), pp. 1-45 : 30-31 30-31
Auchenoglanis occidentalis     Retzer, Michael E., 2010, Taxonomy of Auchenoglanis Günther 1865 (Siluriformes: Auchenoglanididae), Zootaxa 2655 (1), pp. 25-51 : 44-46 44-46
Hydraena (Holcohydraena) occidentalis     Perkins, Philip D., 2023, New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae), Zootaxa 5367 (1), pp. 1-86 : 63 63
Siluriformes   new species  Steindachner, F., 1880, Zur Fisch-Fauna des Cauca und der Flüsse bei Guayaquil, Denkschriften der Kaiserlichen Akademie der Wissenschaften, Wien 42, pp. 55-104 : 99 [47] 99 [47]
Metophthalmus occidentalis     Borges, Paulo A. V., Gaspar, Clara, Crespo, Luis Carlos Fonseca, Rigal, Francois, Cardoso, Pedro, Pereira, Fernando, Rego, Carla, Amorim, Isabel R., Melo, Catarina, Aguiar, Carlos, Andre, Genage, Mendonca, Enesima P., Ribeiro, Servio, Hortal, Joaquin, Santos, Ana M. C., Barcelos, Luis, Enghoff, Henrik, Mahnert, Volker, Pita, Margarida T., Ribes, Jordi, Baz, Arturo, Sousa, Antonio B., Vieira, Virgilio, Wunderlich, Joerg, Parmakelis, Aristeidis, Whittaker, Robert J., Quartau, Jose Alberto, Serrano, Artur R. M. & Triantis, Kostas A., 2016, New records and detailed distribution and abundance of selected arthropod species collected between 1999 and 2011 in Azorean native forests, Biodiversity Data Journal 4, pp. 10948-10948 : 10948 10948
Strangalia occidentalis     MONNÉ, MIGUEL A., 2006, Catalogue of the Cerambycidae (Coleoptera) of the Neotropical Region. Part III. Subfamilies Parandrinae, Prioninae, Anoplodermatinae, Aseminae Spondylidinae, Lepturinae, Oxypeltinae, and addenda to the Cerambycinae and Lamiinae,, Zootaxa 1212 (1), pp. 1-244 : 141 141
Clethra occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part T), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 878-905 : 889 889
Conibosa occidentalis     Sanborn, Allen F. & Maes, Jean-Michel, 2012, Checklist of the cicadas (Insecta: Hemiptera: Cicadidae) of Nicaragua including new records for seventeen species, Check List 8 (3), pp. 437-442 : 440 440
Beckhoplia occidentalis     Dombrow, Holger E. & Colville, Jonathan F., 2020, Review of the genus Beckhoplia Dombrow, 2005 with the description of fifteen new species from South Africa and observations on its biogeography (Coleoptera: Scarabaeidae: Melolonthinae: Hopliini), Zootaxa 4823, pp. 1-79 : 64-67 64-67
Megasoma occidentalis     Ratcliffe, Brett C. & Morón, Miguel-Angel, 2005, Larval Descriptions Of Eight Species Of Megasoma Kirby (Coleoptera: Scarabaeidae: Dynastinae) With A Key For Identification And Notes On Biology, The Coleopterists Bulletin 59 (1), pp. 91-126 : 92 92
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
Senna occidentalis Link 2001     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part C), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 370-473 : 393 393
Serixia sedata subsp. occidentalis     Gupta, Rajeev & Vitali, Francesco, 2017, The checklist of longhorn beetles (Coleoptera: Cerambycidae) from India, Zootaxa 4345 (1), pp. 1-317 : 250 250
Celina occidentalis     Keller, Oliver, Schnepp, Kyle E., Ashman, Krystal L., Turnbow, Robert H. & Skelley, Paul E., 2020, An annotated catalog of the type material of Adephaga and Myxophaga (Coleoptera) deposited in the Florida State Collection of Arthropods in Gainesville, Florida, United States of America, Zootaxa 4744 (1), pp. 1-118 : 50 50
Tricellaria occidentalis     Dyrynda, P. E. J., Fairall, V. R., Ambrogi, A. Occhipinti & d’Hondt, J. - L., 2000, The distribution, origins and taxonomy of Tricellaria inopinata d’Hondt and Occhipinti Ambrogi, 1985, an invasive bryozoan new to the Atlantic, Journal of Natural History 34 (10), pp. 1993-2006 : 1999 1999
Paraphiomys orangeus Mein et Pickford, sp. nov.     Antoñanzas, Raquel López, Sen, Sevket & Mein, Pierre, 2004, Systematics and phylogeny of the cane rats (Rodentia: Thryonomyidae), Zoological Journal of the Linnean Society 142, pp. 423-444 : 430 430
Juniperus occidentalis     Westcott, Richard L., 2023, New host and distribution records plus additional notes for North American species of Chrysobothris Eschscholtz (Coleoptera: Buprestidae), with designation of a lectotype for Chrysobothris vulcanica LeConte, 1861, Insecta Mundi 2023 (967), pp. 1-10 : 5 5
Araneae   new species  Forster, Raymond Robert & Wilton, Cecil Louis, 1973, The spiders of New Zealand. Part IV. Agelenidae, Stiphidiidae, Amphinectidae, Amaurobiidae, Neolanidae, Ctenidae, Psechridae, Otago Museum Trust Board : 146 146
Crocidura olivieri subsp. occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Soricomorpha, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 220-311 : 244 244
Cleistanthus occidentalis     McPherson, Gordon, 2015, Observations on Madagascan Amyrea Leandri and Tannodia Baill. (Euphorbiaceae), Candollea 70 (1), pp. 141-144 : 142 142
Lasius Ward, 2005, stat. rev.     Ward, P. S., 2005, A synoptic review of the ants of California (Hymenoptera: Formicidae)., Zootaxa 936, pp. 1-68 : 13 13
Lonchorhina aurita subsp. occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Chiroptera - Family Phyllostomidae, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 395-426 : 405 405
Rodolia occidentalis     Hounkpati, Kwevitoukoui, McHugh, Joseph V., Niang, Abdoul Aziz & Goergen, Georg, 2020, Documenting museum records of West African Coccinellidae (Coleoptera) in Benin and Senegal, Biodiversity Data Journal 8, pp. 47340-47340 : 47340 47340
Chrysis occidentalis     Madl, M. & Rosa, P., 2012, A Catalogue of the Chrysididae (Hymenoptera: Chrysidoidea) of the Ethiopian Region excluding Malagasy Subregion, Linzer biologische Beiträge 44 (1), pp. 5-169 : 59 59
Colpocephalum occidentalis     Gonza ́ Lez-Acun, Daniel A. & Palma, Ricardo L., 2021, An annotated catalogue of bird lice (Insecta: Phthiraptera) from Chile, Zootaxa 5077 (1), pp. 1-151 : 21 21
Decapoda   new species  Bate, Charles Spence, 1888, Report on the Crustacea Macrura collected by H. M. S. Challenger during the years 1873 – 76, Report on the Scientific Results of the Voyage of H. M. S. “ Challenger ” during the Years 1873 - 76 under the Command of Captain George S. Nares, R. N., F. R. S. and the Late Captain Frank Tourle Thomson, R. N., Zoology 24, No. 52, pp. 1-942 : 32 32
Cephalanthus occidentalis     Howell, Nathan, Krings, Alexander & Braham, Richard R, 2016, Guide to the littoral zone vascular flora of Carolina bay lakes (U. S. A.), Biodiversity Data Journal 4, pp. 7964-7964 : 7964 7964
Craspedocephalus occidentalis   comb. nov.  Mallik, Ashok Kumar, Srikanthan, Achyuthan Needamangalam, Ganesh, Sumaithangi Rajagopalan, Vijayakumar, Seenapuram Palaniswamy, Campbell, Patrick D., Malhotra, Anita & Shanker, Kartik, 2021, Resolving pitfalls in pit viper systematics - A multi-criteria approach to species delimitation in pit vipers (Reptilia, Viperidae, Craspedocephalus) of Peninsular India reveals cryptic diversity, Vertebrate Zoology 71, pp. 577-619 : 577 577
Cotylogaster occidentalis     Alves, Philippe V., Vieira, Fabiano M., Santos, Cláudia P., Scholz, Tomáš & Luque, José L., 2015, A Checklist of the Aspidogastrea (Platyhelminthes: Trematoda) of the World, Zootaxa 3918 (3), pp. 339-396 : 367-369 367-369
Calodesma amica subsp. occidentalis     Laguerre, Michel, 2014, Catalogue of the Neotropical Arctiini Leach, [1815] (except Ctenuchina Kirby, 1837 and Euchromiina Butler, 1876) (Insecta, Lepidoptera, Erebidae, Arctiinae), Zoosystema 36 (2), pp. 137-533 : 431 431
Cephaloscymnus occidentalis     Gordon, Robert D. & Hanley, Guy A., 2017, South American Coccinellidae (Coleoptera), Part XVII: systematic revision of Western Hemisphere Cephaloscymnini (Coccinellinae) with description of a cryptic new genus and species of Coccidulini (Coccinellinae), Insecta Mundi 2017 (601), pp. 1-158 : 8 8
Scotonycteris occidentalis     Don E. Wilson & Russell A. Mittermeier, 2019, Pteropodidae, Handbook of the Mammals of the World – Volume 9 Bats, Barcelona: Lynx Edicions, pp. 16-162 : 81 81
Sabeurina occidentalis   sp. nov.  Deeming, John C., 2018, A revision of the Afrotropical species of Pachylophus Loew (Diptera: Chloropidae) and some related Ovoviviparous genera, Zootaxa 4482 (1), pp. 1-51 : 29-31 29-31
Novius occidentalis   comb. nov.  Pang, Hong, Tang, Xue-Fei, Booth, Roger G., Vandenberg, Natalia, Forrester, Juanita, Mchugh, Joseph & Ślipiński, Adam, 2020, Revision Of The Australian Coccinellidae (Coleoptera). Genus Novius Mulsant Of Tribe Noviini, Annales Zoologici 70 (1), pp. 1-24 : 20 20
Varunidae H. Milne-Edwards 1853     González, José A., 2018, Checklists of Crustacea Decapoda from the Canary and Cape Verde Islands, with an assessment of Macaronesian and Cape Verde biogeographic marine ecoregions, Zootaxa 4413 (3), pp. 401-448 : 429-430 429-430
Chrysina occidentalis   sp. nov.  Robacker, David C., Hawks, David C., Castillo, Naidely & Miranda, Brianna, 2022, A new species of Chrysina Kirby (Coleoptera: Scarabaeidae: Rutelinae) from the Sierra Madre Occidental of Mexico, with notes on the type locality of Chrysina adelaida (Hope, 1841), Insecta Mundi 2022 (955), pp. 1-14 : 10-13 10-13
Abida occidentalis     Kokshoorn, Bas & Gittenberger, Edmund, 2010, Chondrinidae taxonomy revisited: New synonymies, new taxa, and a checklist of species and subspecies (Mollusca: Gastropoda: Pulmonata) 2539, Zootaxa 2539 (1), pp. 1-62 : 24 24
Auchenoglanis occidentalis     Rensburg, Candice Jansen van, van As, Jo G. & King, Pieter H., 2013, New records of digenean parasites of Clarias gariepinus (Pisces: Clariidae) from the Okavango Delta, Botswana, with description of Thaparotrema botswanensis sp. n. (Plathelminthes: Trematoda), African Invertebrates 54 (2), pp. 431-431 : 436 436
Hebanthe occidentalis     Ramella, Lorenzo, 2016, Nomenclatura, tipificaciones y sinónimos nuevos en la familia Amaranthaceae de la Flora del Paraguay, Candollea 71 (2), pp. 311-326 : 320 320
Eocyzicus occidentalis   sp. nov.  Tippelt, Lisa & Schwentner, Martin, 2018, Taxonomic assessment of Australian Eocyzicus species (Crustacea: Branchiopoda: Spinicaudata), Zootaxa 4410 (3), pp. 401-452 : 436-437 436-437
Colpocephalum occidentalis     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 : 13 13
Cyprinodontiformes   new species  Baird, S. F. & Girard, Charles Frédéric, 1853, Descriptions of new species of fishes collected by Mr. John H. Clark, on the U. S. and Mexican Boundary Survey, under Lt. Col. Jas. D. Graham, Proceedings of the Academy of Natural Sciences of Philadelphia 6, pp. 387-390 : 390 390
Tricellaria occidentalis     Dyrynda, P. E. J., Fairall, V. R., Ambrogi, A. Occhipinti & d’Hondt, J. - L., 2000, The distribution, origins and taxonomy of Tricellaria inopinata d’Hondt and Occhipinti Ambrogi, 1985, an invasive bryozoan new to the Atlantic, Journal of Natural History 34 (10), pp. 1993-2006 : 2001-2003 2001-2003
Coccyzus americanus subsp. occidentalis     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 : 72 72
Celeus torquatus subsp. occidentalis     Vitorino, Breno Dias, Vilas Boas da Frota, Angélica, Ikeda Castrillon, Solange Kimie & Nunes, Josué Ribeiro da Silva, 2018, Birds of Estação Ecológica da Serra das Araras, state of Mato Grosso, Brazil: additions and review, Check List 14 (5), pp. 893-922 : 904 904
Chirindia occidentalis     GANS, CARL, 2005, Checklist And Bibliography Of The Amphisbaenia Of The World, Bulletin of the American Museum of Natural History 2005 (289), pp. 1-130 : 27 27
Laccophilus occidentalis   sp. n.  Bistroem, Olof, Nilsson, Anders N. & Bergsten, Johannes, 2015, Taxonomic revision of Afrotropical Laccophilus Leach, 1815 (Coleoptera, Dytiscidae), ZooKeys 542, pp. 1-379 : 246-247 246-247
Phlaeopterus occidentalis   sp. nov.  Mullen, Logan J., Campbell, J. M. & Sikes, Derek S., 2018, Taxonomic Revision of the Rove Beetle Genus Phlaeopterus Motschulsky, 1853 (Coleoptera: Staphylinidae: Omaliinae: Anthophagini), The Coleopterists Bulletin 72, pp. 1-1 : 1--1 1--1
Carnivora   new species  Howell, Arthur H., 1901, Revision of the skunks of the genus Chincha, North American Fauna 20, pp. 1-63 : 36 36
Acontias     Lamb, Trip, Biswas, Sayantan & Bauer, Aaron M., 2010, A phylogenetic reassessment of African fossorial skinks in the subfamily Acontinae (Squamata: Scincidae): evidence for parallelism and polyphyly, Zootaxa 2657, pp. 33-46 : 43 43
Hoplophoneus occidentalis     Therrien, François, 2005, Feeding behaviour and bite force of sabretoothed predators, Zoological Journal of the Linnean Society 145 (3), pp. 393-426 : 425-426 425-426
Colobaea occidentalis   sp. nov.  Knutson, Lloyd V., Deeming, John C. & Ebejer, Martin J., 2018, The Snail-killing Flies (Diptera: Sciomyzidae) of West Africa, Zootaxa 4483 (1), pp. 67-100 : 70-72 70-72
Paradilepis caballeroi Rysavy & Macko 1971     Ortega-Olivares, Mirza P., García-Prieto, Luis & García-Varela, Martín, 2014, Gryporhynchidae (Cestoda: Cyclophyllidea) in Mexico: species list, hosts, distribution and new records, Zootaxa 3795 (2), pp. 101-125 : 108 108
Parastilodes striatipennis subsp. occidentalis     Sampaio, Aline & Fonseca, Claudio Ruy Vasconcelos Da, 2023, Catalog of the Chrysomelinae (Coleoptera: Chrysomelidae) deposited in the entomological collections of the Instituto Nacional de Pesquisas da Amazônia (INPA) and the Universidade Federal do Amazonas (UFAM), Manaus, Brazil, with an illustrated key for the genera occurring in Brazil (except Aeneolucentia,, Zootaxa 5351 (1), pp. 37-71 : 47 47
Thuja occidentalis     Info Flora, 2021, Info Flora Schweiz - Cupressaceae, https://www.infoflora.ch/de/flora/cupressaceae.html (accessed 2023-10-20) : -1 -1
Orconectes (Buannulifictus) occidentalis     Johnson, Daniel P., 2010, Four new crayfishes (Decapoda: Cambaridae) of the genus Orconectes from Texas, Zootaxa 2626, pp. 1-45 : 19-31 19-31
Mimops occidentalis     Lewis, John G. E., 2006, On the scolopendromorph centipede genus Mimops Kraepelin, 1903, with a description of a new family (Chilopoda: Scolopendromorpha), Journal of Natural History 40 (19 - 20), pp. 1231-1239 : 1235-1237 1235-1237
Salcedia occidentalis   sp. nov.  Balkenohl, Michael, 2020, Salcedia FAIRMAIRE, 1899 from Africa with descriptions of the two new species S. bembereka nov. sp. and S. occidentalis nov. sp. (Coleoptera, Carabidae, Scaritinae, Salcediini), Linzer biologische Beiträge 52 (1), pp. 127-140 : 133-135 133-135
Thuja occidentalis     Webster, Reginald, McCoqrquodale, David & Majka, Christopher, 2009, New records of Cerambycidae (Coleoptera) for New Brunswick, Nova Scotia, and Prince Edward Island, Canada, ZooKeys 22 (22), pp. 285-308 : 294 294
Cladosiphon occidentalis     Coppejans, Eric, Leliaert, Frederik, Verbruggen, Heroen, de Clerck, Olivier, Schils, Tom, de Vriese, Thomas & Marie, Daniel, 2004, The marine green and brown algae of Rodrigues (Mauritius, Indian Ocean), Journal of Natural History 38 (23), pp. 2959-3020 : 3004-3005 3004-3005
Cabdio occidentalis   sp. nov.  Jouladeh-Roudbar, Arash, Vatandoust, Saber, Ghanavi, Hamid Reza & Freyhof, Jörg, 2023, Cabdio occidentalis, a new species from Lake Mashkid basin and the Makran region (Teleostei: Danionidae), Zootaxa 5360 (3), pp. 437-447 : 441-444 441-444
Liopygus occidentalis   sp. nov.  Lackner, Tomáš & Vienna, Pierpaolo, 2017, Histeridae of Socotra (Coleoptera: Histeroidea), Acta Entomologica Musei Nationalis Pragae (Acta. Ent. Mus. Natl. Pragae) 57, pp. 55-76 : 61-64 61-64
Setanodosa occidentalis     Silveira, Tatiana Cristina Da & Mendonça, Maria Cleide De, 2019, Checklist of Poduromorpha (Collembola: Hexapoda) from Rio de Janeiro, Brazil, Zootaxa 4656 (3), pp. 572-590 : 576 576
Pseudanophthalmus occidentalis     Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 311-312 311-312
Cyana (Cornutivulpecula) occidentalis   sp. nov.  Volynkin, Anton V. & László, Gyula M., 2020, Review of the Cyana rejecta (Walker, 1854) species-group, with descriptions of three new species from mainland Africa and a new subspecies from Madagascar (Lepidoptera, Erebidae, Arctiinae, Lithosiini), Zootaxa 4890 (3), pp. 330-346 : 336-339 336-339
Ropalopus (Ropalopus) ungaricus subsp. occidentalis   subsp. nov.  López, Marcos A. & Baena, Manuel, 2022, A new subspecies of Ropalopus (Ropalopus) ungaricus (Herbst, 1784) from southern Spain, Ropalopus (Ropalopus) ungaricus occidentalis ssp. nov. (Coleoptera: Cerambycidae), Zootaxa 5154 (5), pp. 557-576 : 558-570 558-570
Cephalanthus occidentalis     Webster, Reginald, McCoqrquodale, David & Majka, Christopher, 2009, New records of Cerambycidae (Coleoptera) for New Brunswick, Nova Scotia, and Prince Edward Island, Canada, ZooKeys 22 (22), pp. 285-308 : 293 293
Lophostoma occidentalis     Velazco, Paúl M. & Cadenillas, Richard, 2011, On the identity of Lophostoma silvicolum occidentalis (Davis & Carter, 1978) (Chiroptera: Phyllostomidae), Zootaxa 2962, pp. 1-20 : 11-16 11-16
Caccothryptus occidentalis   sp. nov.  Hernando, Carles & Ribera, Ignacio, 2017, Three new species of the genus Caccothryptus Sharp, 1902 from Asia (Coleoptera: Limnichidae), Zootaxa 4243 (2), pp. 366-370 : 366-367 366-367
Pristoderus occidentalis   sp. nov.  Turco, Federica, Ślipiński, Adam & Lambkin, Christine L., 2012, Taxonomic revision of Australian Pristoderus Hope (Coleoptera, Zopheridae), Zootaxa 3239, pp. 1-34 : 15-16 15-16
Thrasops occidentalis     Segniagbeto, Gabriel Hoinsoude, Trape, Jean François, David, Patrick, Ohler, Annemarie, Dubois, Alain & Glitho, Isabelle Adolé, 2011, The snake fauna of Togo: systematics, distribution and biogeography, with remarks on selected taxonomic problems, Zoosystema 33 (3), pp. 325-360 : 336-337 336-337
Cyphodynerus kimberleyensis subsp. occidentalis   subsp. nov.  Usenleitner, Gusenleitner, J. & Madl, M., 2009, A Catalogue of the Eumeninae (Hymenoptera: Vespidae) of the Ethiopian Region excluding Malagasy Subregion. Part I: Introduction, Key to Genera, Genera Aethiopicodynerus GUSENLEITNER 1997 to Cyrtolabulus van der VECHT 1969, Linzer biologische Beiträge 41 (1), pp. 513-638 : 629 629
Celtis occidentalis     Info Flora, 2021, Info Flora Schweiz - Cannabaceae, https://www.infoflora.ch/de/flora/cannabaceae.html (accessed 2023-10-20) : -1 -1
Ornithodoros capensis Neumann 1901     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 : 497 497
Stiliderus occidentalis     Assing, Volker, 2016, On Stilicoderus and Stiliderus V. Two new species, additional records, and a catalogue (Coleoptera: Staphylinidae: Paederinae), Linzer biologische Beiträge 48 (1), pp. 281-300 : 291 291
Senna occidentalis Link 2001     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part C), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 370-473 : 392 392
Stylommatophora   new species  Köhler, Frank, 2011, The camaenid species of the Kimberley Islands, Western Australia (Stylommatophora: Helicoidea), Malacologia 54, No. 1, pp. 203-406 : 307 307
Cardioglossa occidentalis     Conradie, Werner, Branch, William R. & Watson, Gillian, 2015, Type specimens in the Port Elizabeth Museum, South Africa, including the historically important Albany Museum collection. Part 1: Amphibians, Zootaxa 3936 (1) : -1 -1
Cephalanthus occidentalis     Romero, Maria Florencia, Gonzalez, Ana Maria & Salas, Roberto Manuel, 2023, Sylvainia, a new monospecific genus within the subtribe Cephalanthinae (Rubiaceae, Naucleeae), Plant Ecology and Evolution 156 (1), pp. 85-111 : 85 85
Okanagana occidentalis     Cole, Jeffrey A., Chatfield-Taylor, Will, Smeds, Elliott A., Cooley, John R., Gonzalez, Valorie A. & Wong, Caressa, 2023, Phylogeny of North America’s largest cicada radiation redefines Tibicinoides and Okanagana (Hemiptera: Auchenorrhyncha: Cicadidae: Tibicininae), Zootaxa 5346 (5), pp. 501-531 : 522 522
Bulbodacnitis occidentalis     Arai, Hisao P. & Smith, John W., 2016, Guide to the Parasites of Fishes of Canada Part V: Nematoda, Zootaxa 4185 (1), pp. 1-274 : 156-158 156-158
Micralestes occidentalis     Melanie L. J. Stiassny & Victor Mamonekene, 2007, Micralestes (Characiformes, Alestidae) of the lower Congo River, with a description of a new species endemic to the lower Congo River rapids in the Democratic Republic of Congo., Zootaxa 1614, pp. 17-29 : 19 19
Pachyrhynchus occidentalis     Rukmane, Anita, 2018, Anannotated Checklist Of Genuspachyrhynchus (Coleoptera: Curculionidae: Pachyrhynchini), Acta Biologica Universitatis Daugavpiliensis 18 (1), pp. 63-68 : 66 66
Hemiptera   new species  Taylor, Kenneth L., 1990, The tribe Ctenarytainini (Hemiptera: Psylloidea): a key to known Australian genera, with new species and two new genera, Invertebrate Taxonomy 4, No. 1, pp. 95-121 : 110 110
Cephaloscymnus occidentalis key    Gordon, Robert D. & Hanley, Guy A., 2017, South American Coccinellidae (Coleoptera), Part XVII: systematic revision of Western Hemisphere Cephaloscymnini (Coccinellinae) with description of a cryptic new genus and species of Coccidulini (Coccinellinae), Insecta Mundi 2017 (601), pp. 1-158 : 6 6
Cephalanthus occidentalis     Howell, Nathan, Krings, Alexander & Braham, Richard R, 2016, Guide to the littoral zone vascular flora of Carolina bay lakes (U. S. A.), Biodiversity Data Journal 4, pp. 7964-7964 : 7964 7964
Juniperus occidentalis     Tonkel, Kirk C., Rector, Brian G., Longland, William S., Dimitri, Lindsay A. & Ivie, Michael A., 2014, Stephanopachys conicolaFisher (Coleoptera: Bostrichidae) Feeding on Decaying Western Juniper (Juniperus occidentalisHooker) Berries: A Novel Association for Bostrichidae, The Coleopterists Bulletin 68 (3), pp. 403-406 : 403-405 403-405
Neochauliodes occidentalis     Liu, Xingyue, Hayashi, Fumio & Yang, Ding, 2007, Revision of the Neochauliodes sinensis species-group (Megaloptera: Corydalidae: Chauliodinae), Zootaxa 1511 (1), pp. 29-54 : 41-42 41-42
Diptera   new species  Dyar, Harrison G. & Knab, Frederick, 1906, Notes on some American mosquitoes with descriptions of new species., Proceedings of the Biological Society of Washington 19, No. 32, pp. 159-172 : 159 159
Parapontophilus occidentalis     Hendrickx, Michel E. & Papiol, Vanesa, 2015, Insights on the biology and ecology of the deep-water shrimp Parapontophilus occidentalis (Faxon, 1893) (Crustacea: Caridea: Crangonidae) in the eastern Pacific with notes on its morphology, Zootaxa 4007 (3), pp. 370-388 : 373-380 373-380
Lasius Fabricius, comb. nov.     Ward, P. S., 2005, A synoptic review of the ants of California (Hymenoptera: Formicidae), Zootaxa 936, pp. 1-68 : 13 13
Boa constrictor subsp. occidentalis     Krysko, Kenneth L., Burgess, Joseph P., Rochford, Michael R., Gillette, Christopher R., Cueva, Daniel, Enge, Kevin M., Somma, Louis A., Stabile, Jennifer L., Smith, Dustin C., Wasilewski, Joseph A., Kieckhefer Iii, Guy N., Granatosky, Michael C. & Nielsen, Stuart V., 2011, 3028, Zootaxa 3028, pp. 1-64 : 48-50 48-50
Geotrypetes seraphini subsp. occidentalis     Miracle, Eulàlia Gassó, Van, Lars W., Ostende, Den Hoek & Arntzen, Jan Willem, 2007, Type specimens of amphibians in the National Museum of Natural History, Leiden, The Netherlands, Zootaxa 1482, pp. 25-68 : 41 41
Thuja occidentalis     Konrad Lauber, Gerhart Wagner & Andreas Gygax, 2018, Flora Helvetica - Cupressaceae, Flora Helvetica, Bern: Haupt Verlag, pp. 104-106 : 104 104
Auchenoglanis occidentalis     Geerinckx, Tom & Vreven, Emmanuel, 2013, A re-evaluation of the species-level diversity within the catfish genus Auchenoglanis (Siluriformes: Claroteidae), Journal of Natural History 47 (47 - 48), pp. 2979-3010 : 3002-3007 3002-3007
Pterolophia occidentalis     Gupta, Rajeev & Vitali, Francesco, 2017, The checklist of longhorn beetles (Coleoptera: Cerambycidae) from India, Zootaxa 4345 (1), pp. 1-317 : 203 203
Elaphropus (Nototachys) occidentalis   sp. n.  Boyd, Olivia F. & Erwin, Terry L., 2016, Taxonomic review of New World Tachyina (Coleoptera, Carabidae): descriptions of new genera, subgenera, and species, with an updated key to the subtribe in the Americas, ZooKeys 626, pp. 87-123 : 102-105 102-105
Thrasops occidentalis     Ineich, Ivan, 2003, Contribution à la connaissance de la biodiversité des régions afro-montagnardes: les Reptiles du mont Nimba, Mémoires du Muséum national d'Histoire naturelle 190, pp. 597-638 : 619-637 619-637
Neochordodes occidentalis     Schmidt-Rhaesa, Andreas & Menzel, Lena, 2005, Central American and Caribbean species of horsehair worms (Nematomorpha), with the description of three new species, Journal of Natural History 39 (7), pp. 515-529 : 525 525
Thuja occidentalis     Westcott, Richard L., 2023, New host and distribution records plus additional notes for North American species of Chrysobothris Eschscholtz (Coleoptera: Buprestidae), with designation of a lectotype for Chrysobothris vulcanica LeConte, 1861, Insecta Mundi 2023 (967), pp. 1-10 : 7 7
Chrysomela occidentalis   spec. nov.  Linnaeus, Carolus, 1758, Systema Naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis, Stockholm: Laurentius Salvius : 369 369
Thuja occidentalis     Webster, Reginald, McCoqrquodale, David & Majka, Christopher, 2009, New records of Cerambycidae (Coleoptera) for New Brunswick, Nova Scotia, and Prince Edward Island, Canada, ZooKeys 22 (22), pp. 285-308 : 297 297
Cybister occidentalis     Miller, Kelly B., 2013, Review of the Genus Cybister Curtis, 1827 (Coleoptera: Dytiscidae: Dytiscinae: Cybistrini) in North America, The Coleopterists Bulletin 67 (4), pp. 401-410 : 407 407
Chaeropus ecaudatus subsp. occidentalis   stat. nov.  Travouillon, Kenny J., Simões, Bruno F., Miguez, Roberto Portela, Brace, Selina, Brewer, Philippa, Stemmer, David, Price, Gilbert J., Cramb, Jonathan & Louys, Julien, 2019, Hidden in plain sight: reassessment of the pig-footed bandicoot, Chaeropus ecaudatus (Peramelemorphia, Chaeropodidae), with a description of a new species from central australia, and use of the fossil record to trace its past distribution, Zootaxa 4566 (1), pp. 1-69 : 16-31 16-31
Myotis mystacinus subsp. occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Chiroptera - Family Vespertilionidae, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 451-529 : 512 512
Paracoracias occidentalis     Clarke, Julia A., Ksepka, Daniel T., Smith, N. Adam & Norell, Mark A., 2009, Combined phylogenetic analysis of a new North American fossil species confirms widespread Eocene distribution for stem rollers (Aves, Coracii), Zoological Journal of the Linnean Society 157 (3), pp. 586-611 : 589-595 589-595
Pachyrhynchs occidentalis   sp. nov.  Rukmane, Anita, 2017, New Species Of The Genus Pachyrhynchus Germar (Coleoptera, Curculionidae, Entiminae) From The Greater Mindanao Pleistocene Aggregate Island Complex (Philippines), Acta Biologica Universitatis Daugavpiliensis 17 (1), pp. 85-95 : 89 89
Drasterius occidentalis     Girard, Claude, 2003, Étude des peuplements d’Elateridae (Coleoptera) de la région du mont Nimba et descriptions de taxons nouveaux, Mémoires du Muséum national d'Histoire naturelle 190, pp. 393-550 : 439 439
Micralestes occidentalis     Zanata, Angela M. & Vari, Richard P., 2005, The family Alestidae (Ostariophysi, Characiformes): a phylogenetic analysis of a trans-Atlantic clade, Zoological Journal of the Linnean Society 145 (1), pp. 1-144 : 108 108
Euphorticus occidentalis     Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 783 783
Bulla occidentalis     Gutiérrez, Manuel Caballer, Ortea, Jesús, Rivero, Nelsy, Tucker, Gabriela Carias, Malaquias, Manuel António E. & Narciso, Samuel, 2015, The opisthobranch gastropods (Mollusca: Heterobranchia) from Venezuela: an annotated and illustrated inventory of species, Zootaxa 4034 (2), pp. 201-256 : 213-214 213-214
Leptoglossus occidentalis     Ishikawa, Tadashi, Saito, Masayuki U., Kishimoto-Yamada, Keiko, Kato, Toshihide, Kurashima, Osamu & Ito, Motomi, 2015, Inventory of the Heteroptera (Insecta: Hemiptera) in Komaba Campus of the University of Tokyo, a highly urbanized area in Japan, Biodiversity Data Journal 3, pp. 4981-4981 : 4981 4981
Coleoptera   new species  Baehr, Martin, 2013, A revision of the carabid tribe Migadopini in Australia (Insecta, Coleoptera, Carabidae, Migadopini), Memoirs of the Queensland Museum - Nature 56, No. 2, pp. 279-304 : 293 293
Pachyrhynchus occidentalis     Rukmane, Anita, 2019, To the knowledge of genus Pachyrhynchus Germar, 1824 (Coleoptera: Curculionidae: Pachyrhynchini) species from SMNH (Stockholm, Sweden), with description of a new species from the Sibuyan Island (Philippines), Baltic Journal of Coleopterology 19 (1), pp. 41-50 : 48 48
Culicoides occidentalis     Shults, Phillip & Borkent, Art, 2018, Pupae of the Nearctic species of Culicoides Latreille subgenus Monoculicoides Khalaf (Diptera: Ceratopogonidae), Zootaxa 4504 (4), pp. 451-472 : 459 459

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