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irregularis, Taxa Only, Exact Match: 100 Treatments

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Neohydnobius irregularis   sp. nov.  Nmpc, 2017, Erratum, Acta Entomologica Musei Nationalis Pragae (Acta. Ent. Mus. Natl. Pragae) 57 (2), pp. 602-602 : 602 602
Atractaspis irregularis     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 : 340 340
Gymnodamaeus irregularis     Schatz, Heinrich, 2018, Faunistics of oribatid mites (Acari, Oribatida) in dry grassland sites in the Eisack Valley (South Tyrol, Prov. Bolzano, Italy), Soil Organisms 90 (2), pp. 57-70 : 68 68
Notothylas irregularis     Söderström, Lars, Hagborg, Anders & Konrat, Matt Von, 2016, Early Land Plants Today: Index of Liverworts & Hornworts 2013 - 2014, Phytotaxa 269 (3), pp. 133-185 : 156 156
Cytherlla irregularis   new species  Brady, George Stewardson, 1880, Report on the Ostracoda dredged by H. M. S. Challenger during the years 1873 - 1876, Reports of Science Research Voyage of H. M. S. Challenger. Zoology 1, No. 3, pp. 1-184 : 178 178
Dapanera irregularis     Massa, Bruno, Annoyer, Philippe, Perez, Cyrille, Danflous, Samuel & Duvot, Guilhem, 2020, Orthoptera Tettigoniidae (Conocephalinae, Hexacentrinae, Phaneropterinae Mecopodinae, Hetrodinae) from some protected areas of Central African Republic, Zootaxa 4780 (3), pp. 401-447 : 428 428
Powellia irregularis   new species  Ferris, Gordon Floyd & Klyver, F. D., 1932, Report upon a collection of Chermidae (Homoptera) from New Zealand, Transactions and proceedings of the New Zealand Institute 63, No. 1, pp. 34-61 : 47 47
Beatogordius irregularis     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 : 25 25
Drepanophora irregularis   sp. nov.  Winston, Judith E. & Vieira, Leandro M., 2013, Systematics of interstitial encrusting bryozoans from southeastern Brazil, Zootaxa 3710 (2), pp. 101-146 : 127-129 127-129
Meromonakantha irregularis     Błażewicz-Paszkowycz, Magdalena & Bamber, Roger N., 2011, Tanaidomorph Tanaidacea (Crustacea: Peracarida) from Mud-Volcano and Seep Sites on the Norwegian Margin, Zootaxa 3061, pp. 1-35 : 16-20 16-20
Araeomolis irregularis     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 : 188 188
Tetracanthella irregularis     Thibaud, Jean-Marc, 2017, Catalogue des collemboles de France, Zoosystema 39 (3), pp. 297-436 : 369 369
Aulocalyx irregularis     Goodwin, Claire E., Berman, Jade, Janussen, Dorte, Göcke, Christian & Hendry, Katharine R., 2016, Hexactinellida (Porifera) from the Drake Passage (Southern Ocean) with a description of three new species, Zootaxa 4126 (2), pp. 207-220 : 209-210 209-210
Schistoneurus irregularis     Sikora, Tomáš, Jaschhof, Mathias & Ševčík, Jan, 2017, Glossostyles perspicua gen. et sp. nov. and other fungivorous Cecidomyiidae (Diptera) new to the Czech and Slovak Republics, European Journal of Taxonomy 303, pp. 1-29 : 25-26 25-26
Leucosolenia irregularis     Van, Rob W. M. & De, Nicole J., 2018, Calcareous sponges of the Western Indian Ocean and Red Sea, Zootaxa 4426 (1), pp. 1-160 : 152 152
Lithobius (Ezembius) irregularis     Ma, Huiqin, Pei, Sujian, Hou, Xiaojie, Zhu, Tiegang, Wu, Dayong & Gai, Yonghua, 2014, An annotated checklist of Lithobiomorpha of China, Zootaxa 3847 (3), pp. 333-358 : 342 342
Smenispa irregularis     Martin, Melissa B., Bruce, Niel L. & Nowak, Barbara F., 2014, Smenispa irregularis (Bleeker, 1857) (Crustacea: Isopoda: Cymothoidae), a Buccal-attaching Fish Parasite from Australia, Records of the Australian Museum 66 (4), pp. 233-240 : 235-236 235-236
Tylopsis irregularis     Massa, Bruno, 2017, New genera, species and records of Afrotropical Phaneropterinae (Orthoptera, Tettigoniidae) preserved at the Royal Belgian Institute of Natural Sciences, Bruxelles, Zootaxa 4358 (3), pp. 401-429 : 410 410
Dohrniphora irregularis     Brown, Brian V. & Kung, Giar-Ann, 2010, 2699, Zootaxa 2699, pp. 1-142 : 120-121 120-121
Holopothrips irregularis   sp. nov.  Lindner, Mariana F., Ferrari, Augusto, Mound, Laurence A. & Cavalleri, Adriano, 2018, Holopothrips diversity-a Neotropical genus of gall-inducing insects (Thysanoptera, Phlaeothripidae), Zootaxa 4494 (1), pp. 1-99 : 50-52 50-52
Euspongia officinalis var. irregularis     Van Soest, Rob W. M., 2024, Correcting sponge names: nomenclatural update of lower taxa level Porifera, Zootaxa 5398 (1), pp. 1-122 : 17 17
Phalæna irregularis   new species  Hübner, Jacob, 1808, Noctuae, Sammlung europäischer Schmetterlinge 4, pp. 75-86 : 75-86 75-86
Astropecten irregularis subsp. pentacanthus     Madeira, Patrícia, Kroh, Andreas, Cordeiro, Ricardo, De, António M., Martins, Frias & Ávila, Sérgio P., 2019, The Echinoderm Fauna of the Azores (NE Atlantic Ocean), Zootaxa 4639 (1), pp. 1-231 : 167 167
Hydrochus irregularis   sp. nov.  Perkins, Philip D., 2021, Taxonomy of water beetles in the genus Hydrochus Leach, 1817, from Bolivia, Brazil and Paraguay (Coleoptera: Hydrochidae), Zootaxa 4994 (1), pp. 1-93 : 28-29 28-29
Fragilaria irregularis   sp. nov.  Chudaev, Dmitry, Jüttner, Ingrid & Vijver, Bart Van De, 2021, Fragilaria irregularis sp. nov. a new araphid species (Fragilariaceae, Bacillariophyta) from the River Adegoy, Krasnodar Territory, Russia, Phytotaxa 508 (2), pp. 221-228 : 222-223 222-223
Alloxiphidiopsis irregularis     Shi, Fu-Ming & Li, Rui-Lian, 2010, Remarks on the genus Alloxiphidiopsis Liu & Zhang, 2007 (Orthoptera, Meconematinae) from Yunnan, China, Zootaxa 2605, pp. 63-68 : 64 64
Apodesmia irregularis     Broad, Gavin R., Shaw, Mark R. & Godfray, H. Charles J., 2016, Checklist of British and Irish Hymenoptera - Braconidae, Biodiversity Data Journal 4, pp. 8151-8151 : 8151 8151
Euspongia irregularis     Van Soest, Rob W. M., 2024, Correcting sponge names: nomenclatural update of lower taxa level Porifera, Zootaxa 5398 (1), pp. 1-122 : 16 16
Calepina irregularis     Cabezudo, Baltasar, Solanas, Federico Casimiro-Soriguer & Pérez-Latorre, Andrés V., 2022, Vascular flora of the Sierra de las Nieves National Park and its surroundings (Andalusia, Spain), Phytotaxa 534 (1), pp. 1-111 : 52 52
Theopea irregularis     Lee, Chi-Feng & Bezdĕk, Jan, 2018, Revision of the genus Theopea Baly (Coleoptera: Chrysomelidae: Galerucinae) of East Asia: species lacking modified clypeus in males and the T. sauteri species group, Zootaxa 4508 (3), pp. 334-376 : 345-352 345-352
Liolaemus irregularis     Pincheira-Donoso, Daniel, Scolaro, J. Alejandro & Sura, Piotr, 2008, A monographic catalogue on the systematics and phylogeny of the South American iguanian lizard family Liolaemidae (Squamata, Iguania), Zootaxa 1800, pp. 1-85 : 51 51
Asterales   new species  Pic, Maurice, 1940, Diagnoses de Coléoptères exotiques, L'Échange, Revue Linnéenne 56, No. 480, pp. 6-8 : 6 6
Maera irregularis   sp. nov.  Myers, Alan A. & Nithyanandan, Manickam, 2016, The Amphipoda of Sea City, Kuwait. — The Senticaudata (Crustacea), Zootaxa 4072 (4), pp. 401-429 : 424-427 424-427
Melanopsis irregularis   [invalid]  Neubauer, Thomas A., 2016, A nomenclator of extant and fossil taxa of the Melanopsidae (Gastropoda, Cerithioidea), ZooKeys 602, pp. 1-358 : 138 138
Tetrathemis irregularis subsp. hyalina     Lieftinck, M. A., 1935, A Synopsis of the Odonata (Dragonflies) of Sumatra, Miscellanea Zoologica Sumatrana 1, pp. 1-23 : 12 12
Melanopsis jordanica subsp. var. var. irregularis     Neubauer, Thomas A., 2016, A nomenclator of extant and fossil taxa of the Melanopsidae (Gastropoda, Cerithioidea), ZooKeys 602, pp. 1-358 : 138 138
Trichromia irregularis     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 : 197 197
Orthorapha (Lepyronoxia) irregularis   sp. nov.  Andrew Hamilton, K. G., 2013, Revision of Neotropical aphrophorine spittlebugs, part 2: tribe Orthoraphini (Hemiptera, Cercopoidea), Zootaxa 3710 (3), pp. 201-225 : 220-222 220-222
Leucania irregularis     Komal, J., Shashank, P. R., Sondhi, Sanjay, Madan, Sohail, Sondhi, Yash, Meshram, Naresh M. & Anooj, S. S., 2021, Moths (Insecta: Lepidoptera) of Delhi, India: An illustrated checklist based on museum specimens and surveys, Biodiversity Data Journal 9, pp. 73997-73997 : 73997 73997
Danuriella irregularis     Roy, Roger, 2020, Révision du genre Danuriella Westwood, 1889 (Mantodea), Zoosystema 42 (21), pp. 399-432 : 402-404 402-404
Stegolaria irregularis     Schejter, L., Genzano, G., Pérez, C. D., Acuña, F., Cordeiro, R. T. S., Silva, R. A., Garese, A. & Bremec, C. S., 2020, Checklist of Benthic Cnidaria in the SW Atlantic Ocean (54 ºS- 56 ºS), Zootaxa 4878 (2), pp. 201-239 : 214 214
Lycomorphon (Spinolycus) irregularis   comb. nov.  Nascimento, Elynton Alves Do & Bocakova, Milada, 2009, A revision of the genus Lycomorphon (Coleoptera: Lycidae), Zootaxa 2132, pp. 40-52 : 51 51
Aphanius irregularis   sp. nov.  Yoğurtçuoğlu, Baran & Freyhof, Jörg, 2018, Aphanius irregularis, a new killifish from south-western Anatolia (Cyprinodontiformes: Aphaniidae), Zootaxa 4410 (2), pp. 319-330 : 321-327 321-327
Antennularia irregularis     OLIVEIRA, OTTO M. P., MIRANDA, THAÍS P., ARAUJO, ENILMA M., AYÓN, PATRICIA, CEDEÑO-POSSO, CRISTINA M., CEPEDA-MERCADO, AMANCAY A., CÓRDOVA, PABLO, CUNHA, AMANDA F., GENZANO, GABRIEL N., HADDAD, MARIA ANGÉLICA, MIANZAN, HERMES W., MIGOTTO, ALVARO E., MIRANDA, LUCÍLIA S., MORANDINI, ANDRÉ C., NAGATA, RENATO M., NASCIMENTO, KARINE B., JÚNIOR, MIODELI NOGUEIRA, PALMA, SERGIO, QUIÑONES, JAVIER, RODRIGUEZ, CAROLINA S., SCARABINO, FABRIZIO, SCHIARITI, AGUSTÍN, STAMPAR, SÉRGIO N., TRONOLONE, VALQUÍRIA B. & MARQUES, ANTONIO C., 2016, Census of Cnidaria (Medusozoa) and Ctenophora from South American marine waters, Zootaxa 4194 (1), pp. 1-256 : 110 110
Pyura irregularis     Monniot, Francoise, 2021, New records of deep-sea ascidians (Tunicata, Ascidiacea) from the New Caledonia region, Zootaxa 4996 (3), pp. 443-468 : 457-458 457-458
Plagiorchiida   new species  Yamaguti, S., 1970, Digenetic trematodes of Hawaiian fishes, Keigaku Publishing Company : 163 163
Epistylis irregularis     Porto, Ana Victoria Dunke, Rigo, Francine Vargas, Warren, Alan & Utz, Laura R. P., 2024, Checklist of species in the genus Epistylis (Ciliophora, Peritrichia): the first step for a taxonomic revision, Zootaxa 5415 (2), pp. 269-299 : 282-283 282-283
Dapanera irregularis     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 : 438 438
Squamata   new species  Bowdich, Thomas Edward, 1819, Mission from Cape Coast Castle to Ashantee., John Murray : 494 494
Candezea irregularis     Wagner & Kurtscheid, A., 2005, Revision of Candezea Chapuis, 1879 (Coleoptera, Chrysomelidae, Galerucinae) from continental Africa, Journal of Natural History 39 (28), pp. 2591-2641 : 2606-2609 2606-2609
Aphanius irregularis     Kaya, Cüneyt, Bayçelebi, Esra & Turan, Davut, 2021, Illustrated type specimens catalogue of Recep Tayyip Erdogan University Zoology Museum of the Faculty of Fisheries, Zootaxa 4996 (3), pp. 401-442 : 438 438
Philothamnus irregularis     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 : 618 618
Calepina irregularis     Becherer, 1956, Florae Vallesiacae Supplementum, Denkschriften der Schweizerischen Naturforschenden Gesellschaft 71, pp. 1-556 : 1-556 1-556
Membranipora irregularis     Winston, Judith E. & Vieira, Leandro M., 2013, Systematics of interstitial encrusting bryozoans from southeastern Brazil, Zootaxa 3710 (2), pp. 101-146 : 106-107 106-107
Calepina irregularis     Hess, Hans Ernst, Landolt, Elias & Hirzel, Rosmarie, 1976, Flora der Schweiz und angrenzender Gebiete. Band 2. Nymphaceae bis Primulaceae (2 nd edition) (p. 956): Cruciferae, Birkhaeuser Verlag : 177 177
Homogryllacris irregularis   sp. nov.  Lu, Xiangyi, Zhang, Qianwen & Bian, Xun, 2022, Contribution to the knowledge of Chinese Gryllacrididae (Orthoptera) XI: Three new species of Homogryllacris from Yunnan Province, Zootaxa 5200 (3), pp. 281-290 : 287-289 287-289
Robinsonia irregularis     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 : 151 151
Calepina irregularis     Konrad Lauber, Gerhart Wagner & Andreas Gygax, 2018, Flora Helvetica - Brassicaceae, Flora Helvetica, Bern: Haupt Verlag, pp. 480-566 : 548 548
Protandrena (Pterosarus) irregularis     Delphia, Casey M., Griswold, Terry, Reese, Elizabeth G., O'Neill, Kevin M. & Burkle, Laura A., 2019, Checklist of bees (Hymenoptera: Apoidea) from small diversified vegetable farms in south-western Montana, Biodiversity Data Journal 7, pp. 30062-30062 : 30062 30062
Trigonopterus irregularis   sp. n.  Riedel, Alexander, Sagata, Katayo, Surbakti, Suriani, Rene Taenzler, & Michael Balke,, 2013, One hundred and one new species of Trigonopterus weevils from New Guinea, ZooKeys 280, pp. 1-150 : 36-37 36-37
Anthoathecata   new species  Moseley, Henry Nottidge, 1880, Report on certain hydroid, alcyonarian, and madreporarian corals procured during the voyage of H. M. S. '' Challenger' ', in the years 1873 – 1876, Report on the Scientific Results of the Voyage of H. M. S. Challenger during the Years 1873 – 76, Zoology 2, No. 7, pp. 1-248 : 80 80
Pyura irregularis     Kott, Patricia, 2006, Observations on non-didemnid ascidians from Australian waters (1), Journal of Natural History 40 (3 - 4), pp. 169-234 : 222-223 222-223
Lepidoptera   new species  Landry, Bernard & Powell, Jerry A., 2001, Systematics and phylogeny of Sparganothina and related taxa (Lepidoptera: Tortricidae, Sparganothini), University of California Publications in Entomology 121, pp. 1-82 : 29 29
Stemonaria irregularis     Treviño-Zevallos, Italo, García-Cunchillos, Iván, Basanta, Diana Wrigley De & Lado, Carlos, 2023, Diversity of Myxomycetes from Peru Part III: The high Andes and the altiplano, Phytotaxa 624 (1), pp. 1-92 : 75 75
Murmidius irregularis     Jałoszyński, Paweł & Ślipiński, Adam, 2022, Revision of the family Murmidiidae (Coleoptera: Coccinelloidea), Zootaxa 5109 (1), pp. 1-102 : 56-58 56-58
Neohydnobius irregularis     Peck, Stewart B., Gnaspini, Pedro & Newton, Alfred F., 2020, Updated catalog and generic keys of the Leiodidae (Insecta: Coleoptera) of the Neotropical region (“ Latin America ”: Mexico, the West Indies, and Central and South America), Zootaxa 4741 (1), pp. 1-114 : 82 82
Falsocaenia irregularis     Bocakova, Milada, Baciakova, Barbora & Nascimento, Elynton Alves Do, 2012, Revision of the genus Falsocaenia (Coleoptera: Lycidae), Zootaxa 3478, pp. 282-296 : 285 285
Octophialucium irregularis   sp. nov.  Schuchert, Peter & Collins, Richard, 2021, Hydromedusae observed during night dives in the Gulf Stream, Revue suisse de Zoologie 128 (2), pp. 237-356 : 310 310
Isoperla irregularis key    Verdone, Chris J. & Kondratieff, Boris, 2016, A New Species Of Isoperla Banks (Plecoptera: Perlodidae) From The Appalachian Mountains, Virginia & West Virginia, U. S. A., Illiesia 12 (13), pp. 74-85 : 83-85 83-85
Apodesmia irregularis     Broad, Gavin R., Shaw, Mark R. & Godfray, H. Charles J., 2016, Checklist of British and Irish Hymenoptera - Braconidae, Biodiversity Data Journal 4, pp. 8151-8151 : 8151 8151
Mosaica irregularis     Price, Benjamin Wills, Allan, Elizabeth Louise, Marathe, Kiran, Sarkar, Vivek, Simon, Chris & Kunte, Krushnamegh, 2016, The cicadas (Hemiptera: Cicadidae) of India, Bangladesh, Bhutan, Myanmar, Nepal and Sri Lanka: an annotated provisional catalogue, regional checklist and bibliography, Biodiversity Data Journal 4, pp. 8051-8051 : 8051 8051
Boiga irregularis     Karin, Benjamin R., Stubbs, Alexander L., Arifin, Umilaela, Bloch, Luke M., Ramadhan, G., Iskandar, Djoko T., Arida, Evy, Reilly, Sean B., Kusnadi, Agus & Mcguire, Jimmy A., 2018, The herpetofauna of the Kei Islands (Maluku, Indonesia): Comprehensive report on new and historical collections, biogeographic patterns, conservation concerns, and an annotated checklist of species from Kei Kecil, Kei Besar, Tam, and Kur, Raffles Bulletin of Zoology 66, pp. 704-738 : 729 729
Opius (Allotypus) irregularis     Gadallah, Neveen S., Ghahari, Hassan, Peris-Felipo, Francisco Javier & Fischer, Maximilian, 2016, Updated checklist of Iranian Opiinae (Hymenoptera: Braconidae), Zootaxa 4066 (1), pp. 1-40 : 13 13
Maera irregularis     Al-Kandari, Manal, Polikarpov, Igor, Nithyanandan, Manickam, Al-Yamani, Faiza & Grintsov, Vladimir, 2023, An annotated checklist of the Amphipoda (Crustacea) of Kuwait, north-western Arabian Gulf, Zootaxa 5351 (1), pp. 1-36 : 18 18
Eodrilus irregularis     Csuzdi, Csaba, Szederjesi, Tímea & Sherlock, Emma, 2018, Annotated checklist of earthworm species described by András Zicsi (Clitellata: Megadrili), Zootaxa 4496 (1), pp. 11-42 : 13 13
Sphaeronectes irregularis     P. R. Pugh, 2009, A review of the family Sphaeronectidae (Class Hydrozoa, Order Siphonophora), with the description of three new species, Zootaxa 2147, pp. 1-48 : 46-47 46-47
Scaphinotus irregularis     Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 160 160
Megarcys irregularis     Stewart, Kenneth W. & Kondratieff, Boris C., 2012, Larvae Of The Nearctic Species Of The Stonefly Genus Megarcys Klapálek (Plecoptera: Perlodidae), Illiesia 8 (3), pp. 16-36 : 20-23 20-23
Orthoptera   new species  Brunner von Wattenwyl, C., 1888, Monographie der Stenopelmatiden und Gryllacriden., Verhandlungen der Zoologisch-Botanischen Gesellschaft in Wien 38, pp. 247-394 : 261 261
Cassida irregularis     Borowiec, Lech & Świętojańska, Jolanta, 2022, A monograph of the Afrotropical Cassidinae (Coleoptera: Chrysomelidae). Part 6. Revision of the tribe Cassidini 3, the genus Cassida L., Zootaxa 5171 (1), pp. 1-250 : 92-93 92-93
Astropecten irregularis subsp. pontoporeus     Jangoux, Michel, 2022, The type specimens of extant asteroids (Echinodermata) in the Muséum national d’Histoire naturelle of Paris, Zoosystema 44 (11), pp. 259-334 : 299 299
Nestrius irregularis     Morrone, Juan J., 2011, Annotated checklist of the tribe Listroderini (Coleoptera: Curculionidae: Cyclominae) 3119, Zootaxa 3119 (1), pp. 1-68 : 51 51
Agonum irregularis     Merene, Yeshitla, Lorenz, Wolfgang, Opgenoorth, Lars, Woldehawariat, Yitbarek & Schmidt, Joachim, 2023, Ground and tiger beetles (Coleoptera: Carabidae, Cicindelidae) of the Federal Democratic Republic of Ethiopia: a provisional faunistic checklist based on literature data, Zootaxa 5247 (1), pp. 1-345 : 120 120
Theraps irregularis     Mcmahan, Caleb D., Matamoros, Wilfredo A., Piller, Kyle R. & Chakrabarty, Prosanta, 2015, Taxonomy and systematics of the herichthyins (Cichlidae: Tribe Heroini), with the description of eight new Middle American Genera, Zootaxa 3999 (2), pp. 211-234 : 221 221
Neohydnobius irregularis   sp. nov.  Newton, Alfred F., Švec, Zdeněk & Fikáček, Martin, 2017, A new genus and two new species of Leiodinae from Chile, with keys to world genera of Sogdini and Leiodinae from Chile and Argentina (Coleoptera: Leiodidae), Acta Entomologica Musei Nationalis Pragae 57 (1), pp. 121-140 : 133-134 133-134
Pulmonata   new species  Pfeiffer, L., 1856, Versuch einer Anordnung der Heliceen nach natürlichen Gruppen [concl.], Malakozoologische Blätter 2, pp. 145-185 : 164 164
Astropecten irregularis     Jangoux, Michel, 2022, The type specimens of extant asteroids (Echinodermata) in the Muséum national d’Histoire naturelle of Paris, Zoosystema 44 (11), pp. 259-334 : 315 315
Pseudoleosthenes irregularis     Delfosse, Emmanuel, Cliquennois, Nicolas, Depraetere, Marion & Robillard, Tony, 2019, Catalogue des types de la collection de phasmes du Muséum national d’Histoire naturelle de Paris (Insecta, Phasmatodea), Zoosystema 41 (11), pp. 181-235 : 208 208
Gobiodon irregularis   sp. nov.  Herler, Juergen, Bogorodsky, Sergey V. & Suzuki, Toshiyuki, 2013, Four new species of coral gobies (Teleostei: Gobiidae: Gobiodon), with comments on their relationships within the genus, Zootaxa 3709 (4), pp. 301-329 : 309-313 309-313
Pleurogona   new species  Herdman, William Abbott, 1881, 1. Preliminary report on the Tunicata of the " Challenger " Expedition. Part III, Proceedings of the Royal Society of Edinburgh, Section B (Biological Sciences) 11, No. 108, pp. 52-87 : 72 72
Leiodes irregularis     Hoshina, Hideto, 2012, Review of the tribes Sogdini and Leiodini from Japan and North Chishima Islands. Part II. Genera Hydnobius and Leiodes (Coleoptera: Leiodidae), Acta Entomologica Musei Nationalis Pragae (suppl. 1) 52, pp. 1-168 : 137-140 137-140
Mosaica irregularis     Price, Benjamin Wills, Allan, Elizabeth Louise, Marathe, Kiran, Sarkar, Vivek, Simon, Chris & Kunte, Krushnamegh, 2016, The cicadas (Hemiptera: Cicadidae) of India, Bangladesh, Bhutan, Myanmar, Nepal and Sri Lanka: an annotated provisional catalogue, regional checklist and bibliography, Biodiversity Data Journal 4, pp. 8051-8051 : 8051 8051
Balea irregularis     OLIVEIRA, OTTO M. P., MIRANDA, THAÍS P., ARAUJO, ENILMA M., AYÓN, PATRICIA, CEDEÑO-POSSO, CRISTINA M., CEPEDA-MERCADO, AMANCAY A., CÓRDOVA, PABLO, CUNHA, AMANDA F., GENZANO, GABRIEL N., HADDAD, MARIA ANGÉLICA, MIANZAN, HERMES W., MIGOTTO, ALVARO E., MIRANDA, LUCÍLIA S., MORANDINI, ANDRÉ C., NAGATA, RENATO M., NASCIMENTO, KARINE B., JÚNIOR, MIODELI NOGUEIRA, PALMA, SERGIO, QUIÑONES, JAVIER, RODRIGUEZ, CAROLINA S., SCARABINO, FABRIZIO, SCHIARITI, AGUSTÍN, STAMPAR, SÉRGIO N., TRONOLONE, VALQUÍRIA B. & MARQUES, ANTONIO C., 2016, Census of Cnidaria (Medusozoa) and Ctenophora from South American marine waters, Zootaxa 4194 (1), pp. 1-256 : 49 49
Nemertesia irregularis     Gil, Marta, Ramil, Fran & Agís, José Ansín, 2020, Hydroids (Cnidaria, Hydrozoa) from Mauritanian Coral Mounds, Zootaxa 4878 (3), pp. 412-466 : 446-452 446-452
Cyprinodontiformes   new species  Ahl, E., 1938, Beschreibung neuer Zahnkarpfen aus dem Zoologischen Museum Berlin, Zoologischer Anzeiger 124, pp. 53-58 : 57 57
Hungerfordia irregularis   sp. nov.  Yamazaki, Midori, Yamazaki, Kazunori, Rundell, J. & Ueshima, Rei, 2015, Systematic review of diplommatinid land snails (Caenogastropoda, Diplommatinidae) endemic to the Palau Islands. (3) Description of eight new species and two new subspecies of Hungerfordia, Zootaxa 4057 (4), pp. 511-538 : 530-532 530-532
Mircogioton irregularis     Short, Andrew E. Z. & Fikáček, Martin, 2011, World catalogue of the Hydrophiloidea (Coleoptera): additions and corrections II (2006 - 2010), Acta Entomologica Musei Nationalis Pragae (suppl.) 51 (1), pp. 83-122 : 107 107
Ichthyococcus irregularis     Love, Milton S., Bizzarro, Joseph J., Cornthwaite, Maria, Frable, Benjamin W. & Maslenikov, Katherine P., 2021, Checklist of marine and estuarine fishes from the Alaska-Yukon Border, Beaufort Sea, to Cabo San Lucas, Mexico, Zootaxa 5053 (1), pp. 1-285 : 58 58
Pulmonata   new species  Pfeiffer, L., 1856, Descriptions of twenty-three new species of Achatinella, collected by Mr. D. Frick in the Sandwich Islands; from Mr. Cuming’s collection, Proceedings of the Zoological Society of London 23, pp. 202-202 : 205 205
Tervia irregularis     Moissette, Pierre, Antonarakou, Assimina, Kontakiotis, George, Cornée, Jean-Jacques & Karakitsios, Vasileios, 2021, Bryozoan faunas at the Tortonian-Messinian transition. A palaeoenvironmental case study from Crete Island, eastern Mediterranean, Geodiversitas 43 (26), pp. 1365-1400 : 1378 1378

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Specimens