ICZN 2017–2023

Opinions 2401 – 2500 

ICZN 2017: Opinion 2401 (Case 3554) – Anaphes Haliday, 1833 (Insecta: Hymenoptera): designation of A. fuscipennis Haliday, 1833 as the type species. Bulletin of Zoological Nomenclature 2017, 74: 122-124. https://www.biotaxa.org/bzn/article/view/32950/29240 

ICZN 2017: Opinion 2402 (Case 3611) – Basilosaurus kochii Reichenbach, 1847 (currently Zygorhiza kochii; Mammalia: Cetacea): replacement of the holotype by a neotype not approved. Bulletin of Zoological Nomenclature 2017, 74: 125-126. https://www.biotaxa.org/bzn/article/view/32951/29241 

ICZN 2017: Opinion 2403 (Case 3618) – Kalophrynus Tschudi, 1838 (Amphibia: Anura: Microhylidae): conservation by designation of a neotype for its type species Kalophrynus pleurostigma Tschudi, 1838 not approved. Bulletin of Zoological Nomenclature 2017, 74: 127-129. https://www.biotaxa.org/bzn/article/view/32952/29242 

ICZN 2017: Opinion 2404 (Case 3633) – Dysactis pallida Agassiz in Verrill, 1864 (currently Aiptasia pallida; Cnidaria: Anthozoa: Hexacorallia: Actiniaria): precedence over Aiptasia diaphana (Rapp, 1829), Aiptasia tagetes (Duchassaing de Fombressin & Michelotti, 1864), Aiptasia mimosa (Duchassaing de Fombressin & Michelotti, 1864) and Aiptasia inula (Duchassaing de Fombressin & Michelotti, 1864) not approved. Bulletin of Zoological Nomenclature 2017, 74: 130-131. https://www.biotaxa.org/bzn/article/view/32953/29243 Reviewed: Opinion 2500

ICZN 2018: Opinion 2405 (Case 2027) – Pieris virginiensis Edwards, 1870 (Insecta, Lepidoptera, Pieridae): neotype designated. Bulletin of Zoological Nomenclature 2018, 75: 65-67. https://www.biotaxa.org/bzn/article/view/38943/33266 

ICZN 2018: Opinion 2406 (Case 3684) – Elasmostethus dorsalis Jakovlev, 1876 (currently Elasmucha dorsalis): conditional precedence granted over Acanthosoma vicinum Uhler, 1861 (currently Elasmucha vicina) (Insecta, Heteroptera). Bulletin of Zoological Nomenclature 2018, 75: 68-70. https://www.biotaxa.org/bzn/article/view/38944/33267 

ICZN 2018: Opinion 2407 (Case 3686) – Bulimus rupestris Philippi, 1836 (Gastropoda, Stylommatophora, Chondrinidae): conservation of the specific name. Bulletin of Zoological Nomenclature 2018, 75: 71-72. https://www.biotaxa.org/bzn/article/view/38945/33268 

ICZN 2018: Opinion 2408 (Case 3690) – Alabina Dall, 1902 (Gastropoda, Cerithioidea): designation of Alaba cerithidioides Dall, 1889 as type species not approved. Bulletin of Zoological Nomenclature 2018, 75: 73-74. https://www.biotaxa.org/bzn/article/view/38946/33269 

ICZN 2018: Opinion 2409 (Case 3694) – Pomachilius variegatus Schwarz, 1904 (Insecta, Coleoptera, Elateridae): conservation of the specific name by suppression of the name Aeolus variegatus Curtis, 1839 not approved. Bulletin of Zoological Nomenclature 2018, 75: 75-76. https://www.biotaxa.org/bzn/article/view/38947/33270 

ICZN 2018: Opinion 2410 (Case 3698) – Cicindela varians Gory, 1833 (currently Cenothyla varians; Insecta, Coleoptera, Carabidae): conservation by the suppression of Cicindela varians Ljungh, 1799 approved. Bulletin of Zoological Nomenclature 2018, 75: 77-78. https://www.biotaxa.org/bzn/article/view/38948/33271 

ICZN 2018: Opinion 2411 (Case 3699) – Thorectes Mulsant, 1842 (Insecta, Coleoptera, Scarabaeoidea): usage conserved by maintenance of Scarabaeus laevigatus Fabricius, 1798 as type species. Bulletin of Zoological Nomenclature 2018, 75: 79-81. https://www.biotaxa.org/bzn/article/view/38949/33368 

ICZN 2018: Opinion 2412 (Case 3485) – Lychnorhiza lucerna Haeckel, 1880 (Cnidaria, Scyphozoa, Rhizostomeae): generic and specific names not conserved; and Rhizostoma cruciatum Lesson, 1830: neotype designated. Bulletin of Zoological Nomenclature 2018, 75: 173-176. https://www.biotaxa.org/bzn/article/view/41114/35029 

ICZN 2018: Opinion 2413 (Case 3616) – Neobisium Chamberlin, 1930, NEOBISIOIDEA Chamberlin, 1930 NEOBISIIDAE Chamberlin, 1930 and NEOBISIINAE Chamberlin, 1930 (Arachnida, Pseudoscorpiones, Chelonethi): proposed conservation by designation of Obisium muscorum Leach, 1817 as the type species of Obisium Leach, 1814 not approved. Bulletin of Zoological Nomenclature 2018, 75: 177-180. https://www.biotaxa.org/bzn/article/view/41115/35021 

ICZN 2018: Opinion 2414 (Case 3623) – Grallaria fenwickorum Barrera & Bartels in Barrera, Bartels & Fundación ProAves de Colombia, 2010 (Aves, GRALLARIIDAE): replacement of an indeterminate holotype by a neotype not approved. Bulletin of Zoological Nomenclature 2018, 75: 181-186. https://www.biotaxa.org/bzn/article/view/41116/35022 

ICZN 2018: Opinion 2415 (Case 3635) – Antheraea roylei Moore, 1859 (Insecta, Lepidoptera, SATURNIIDAE): specific name not conserved when considered synonymous with that of the supposed wild progenitor Antheraea pernyi (Guérin-Méneville, 1855). Bulletin of Zoological Nomenclature 2018, 75: 187-189. https://www.biotaxa.org/bzn/article/view/41117/35023 

ICZN 2018: Opinion 2416 (Case 3661) – Apion longirostre Olivier, 1807 (currently Rhopalapion longirostre; Insecta, Coleoptera): name conserved. Bulletin of Zoological Nomenclature 2018, 75: 190-191. https://www.biotaxa.org/bzn/article/view/41118/35024 

ICZN 2018: Opinion 2417 (Case 3662) – Siphonichnus Stanistreet, le Blanc Smith & Cadle, 1980 (trace fossil): conditional precedence given over Opthalmichnium Pfeiffer, 1968. Bulletin of Zoological Nomenclature 2018, 75: 192-194. https://www.biotaxa.org/bzn/article/view/41119/35025 

ICZN 2018: Opinion 2418 (Case 3670) – Chilicola vicugna Toro & Moldenke, 1979 (Insecta, Hymenoptera, Colletidae): neotype not designated. Bulletin of Zoological Nomenclature 2018, 75: 262-263. https://www.biotaxa.org/bzn/article/view/44169/38043 

ICZN 2018: Opinion 2419 (Case 3674) – Collohmannia Sellnick, 1922 (Arachnida, Acari, Oribatida): conditional precedence granted over Embolacarus Sellnick, 1919. Bulletin of Zoological Nomenclature 2018, 75: 264-266. https://www.biotaxa.org/bzn/article/view/44170/38044 

ICZN 2018: Opinion 2420 (Case 3678) – Proposal to affirm that ‘Formenkreis’ is not a genus-group taxonomic rank with potential availability: not approved. Bulletin of Zoological Nomenclature 2018, 75: 267-269. https://www.biotaxa.org/bzn/article/view/44171/38045 

ICZN 2018: Opinion 2421 (Case 3681) – Liancalus Loew, 1857 and Scellus Loew, 1857 (Insecta, Diptera, Dolichopodidae): usage conserved. Bulletin of Zoological Nomenclature 2018, 75: 270-274. https://www.biotaxa.org/bzn/article/view/44172/38046 

ICZN 2018: Opinion 2422 (Case 3683) – Cylindrus Fitzinger, 1833 (Mollusca, Gastropoda, Helicidae): usage conserved. Bulletin of Zoological Nomenclature 2018, 75: 275-278. https://www.biotaxa.org/bzn/article/view/44173/38047 

ICZN 2018: Opinion 2423 (Case 3689) – Cognettia Nielsen & Christensen, 1959 (Annelida, Oligochaeta, Enchytraeidae): conditional precedence given over Euenchytraeus Bretscher, 1906 and Chamaedrilus Friend, 1913. Bulletin of Zoological Nomenclature 2018, 75: 279-281. https://www.biotaxa.org/bzn/article/view/44174/38048 

ICZN 2018: Opinion 2424 (Case 3692) – Columba domestica livia Gmelin, 1789 and Columba oenas domestica Linnaeus, 1758 (Aves, Columbidae): specific and subspecific names conserved for Columba livia and Columba livia domestica. Bulletin of Zoological Nomenclature 2018, 75: 282-284. https://www.biotaxa.org/bzn/article/view/44175/38049 

ICZN 2018: Opinion 2425 (Case 3700) – Diplodocus Marsh, 1878 (Dinosauria, Sauropoda): Diplodocus longus Marsh, 1878 maintained as the type species. Bulletin of Zoological Nomenclature 2018, 75: 285-287. https://www.biotaxa.org/bzn/article/view/44176/38050 

ICZN 2018: Opinion 2426 (Case 3703) – Nautilus pompilius Linnaeus, 1758 (Mollusca, Cephalopoda, Nautilida): neotype designated. Bulletin of Zoological Nomenclature 2018, 75: 286-289. https://www.biotaxa.org/bzn/article/view/44177/38051 

ICZN 2018: Opinion 2427 (Case 3704) – Lepisma Linnaeus, 1758 (Insecta, Zygentoma, Lepismatidae): Direction 71 (1957) reversed. Bulletin of Zoological Nomenclature 2018, 75: 290-294. https://www.biotaxa.org/bzn/article/view/44178/38052 

ICZN 2018: Opinion 2428 (Case 3705) – Mantis limbata Brullé, 1838 (currently Ameles limbata) (Mantodea, Mantidae, Amelinae): specific name conserved. Bulletin of Zoological Nomenclature 2018, 75: 295-296. https://www.biotaxa.org/bzn/article/view/44179/38053 

ICZN 2018: Opinion 2429 (Case 3717) – Xylophagidae Purchon, 1941 (Mollusca, Bivalvia): emended to Xylophagaidae to remove homonymy with Xylophagidae Fallén, 1810 (Insecta, Diptera). Bulletin of Zoological Nomenclature 2018, 75: 297-299. https://www.biotaxa.org/bzn/article/view/44180/38054 

ICZN 2018: Opinion 2430 – Parts of the List of Available Names in Zoology for phylum Rotifera: accepted. Bulletin of Zoological Nomenclature 2019, 76: 74-76. https://www.biotaxa.org/bzn/article/view/50666/44015 

ICZN 2019: Opinion 2431 (Case 3587) – Podocnemis unifilis Troschel, 1848 (Reptilia, Testudines): precedence given over Emys cayennensis Schweigger, 1812. Bulletin of Zoological Nomenclature 2019, 76: 77-78. https://www.biotaxa.org/bzn/article/view/50667/44016 

ICZN 2019: Opinion 2432 (Case 3713) – Scarabaeus ferrugineus Palisot de Beauvois, 1809 (currently Bradycinetulus ferrugineus) (Insecta, Coleoptera, Scarabaeoidea): specific name conserved. Bulletin of Zoological Nomenclature 2019, 76: 79-80. https://www.biotaxa.org/bzn/article/view/50668/44017 

ICZN 2019: Opinion 2433 (Case 3724) – Metochus abbreviatus Scott, 1874 (Insecta, Heteroptera): conditional precedence given over Rhyparochromus erosus Walker, 1872 (currently Metochus erosus). Bulletin of Zoological Nomenclature 2019, 76: 81-83. https://www.biotaxa.org/bzn/article/view/50669/44018 

ICZN 2019: Opinion 2434 (Case 3495) – Chionobas chryxus Doubleday, 1849 (currently Oeneis chryxus; Insecta, Lepidoptera, Nymphalidae): conservation of usage by designation of a neotype not granted. Bulletin of Zoological Nomenclature 2019, 76: 141-143. https://www.biotaxa.org/bzn/article/view/56407/50419

ICZN 2019: Opinion 2435 (Case 3560) – Plateosaurus Meyer, 1837 (Dinosauria, Sauropodomorpha): new type species designated. Bulletin of Zoological Nomenclature 2019, 76: 144-145. https://www.biotaxa.org/bzn/article/view/56408/50420

ICZN 2019: Opinion 2436 (Case 3682) – The work “The White-cheeked Geese: Branta canadensis, B. maxima, B. ‘lawrensis’, B. hutchinsii, B. leucopareia, and B. minima. Taxonomy, ecophysiographic relationships, biogeography, and evolutionary considerations, Volume 1, Eastern taxa; Volume 2, Western taxa, biogeography, and evolutionary considerations” by Harold C. Hanson: suppressed for nomenclatural purposes. Bulletin of Zoological Nomenclature 2019, 76: 146-148. https://www.biotaxa.org/bzn/article/view/56522/50587 

ICZN 2019: Opinion 2437 (Case 3706) – Trochus (Osilinus?) capillaceus Philippi, 1849 (currently Cantharidus capillaceus; Mollusca, Gastropoda, Trochoidea): precedence given over Trochus episcopus Hombron & Jacquinot, 1848. Bulletin of Zoological Nomenclature 2019, 76: 149-150. https://www.biotaxa.org/bzn/article/view/56523/50588 

ICZN 2019: Opinion 2438 (Case 3723) – Bolitophagus cornutus Fabricius, 1801 (currently Bolitotherus cornutus; Insecta, Coleoptera, Tenebrionidae): precedence granted over Opatrum bifurcum Fabricius, 1798. Bulletin of Zoological Nomenclature 2019, 76: 151-152. https://www.biotaxa.org/bzn/article/view/56524/50589 

ICZN 2019: Opinion 2439 (Case 3725) – Lema decempunctata Gebler, 1829 (Insecta, Coleoptera, Chrysomelidae): spelling of the specific name conserved. Bulletin of Zoological Nomenclature 2019, 76: 153-154. https://www.biotaxa.org/bzn/article/view/56525/64802 

ICZN 2019: Opinion 2440 (Case 3728) – Quetzalcoatlus northropi Lawson, 1975 (Reptilia, Pterosauria): generic and specific names ruled available with the indicated authorship. Bulletin of Zoological Nomenclature 2019, 76: 155-156. https://www.biotaxa.org/bzn/article/view/56527/50591 

ICZN 2019: Opinion 2441 (Case 3730) – Thamnophilus schistaceus d’Orbigny, 1838 (Aves, Thamnophilidae): name conserved. Bulletin of Zoological Nomenclature 2019, 76: 157-159. https://www.biotaxa.org/bzn/article/view/56528/50592 

ICZN 2019: Opinion 2442 (Case 3733) – Cetonia marmorea Olivier, 1789 (currently Gymnetis marmorea; Coleoptera, Cetoniinae, Gymnetini): precedence granted over Scarabaeus pulcher Swederus, 1787. Bulletin of Zoological Nomenclature 2019, 76: 160-161. https://www.biotaxa.org/bzn/article/view/56530/50594

ICZN 2019: Opinion 2443 (Case 2057) – Dactylopius coccus Costa, 1829 and Dactylopius tomentosus (Lamarck, 1801) (Insecta, Hemiptera, DACTYLOPIIDAE): usage conserved by suppression of the specific names Coccus sativus Lancry, 1791, Coccus mexicanus Lamarck, 1801 and Coccus silvestris Lancry, 1791. Bulletin of Zoological Nomenclature 2019, 76: 194-1965. https://www.biotaxa.org/bzn/article/view/58609/58841

ICZN 2019: Opinion 2444 (Case 3511) – Prionocerus bicolor Redtenbacher, 1868 (Insecta, Coleoptera, CLEROIDEA, PRIONOCERIDAE): name conserved. Bulletin of Zoological Nomenclature 2019, 76: 196-197. https://www.biotaxa.org/bzn/article/view/58610/58842

ICZN 2019: Opinion 2445 (Case 3664) – Tipula contaminata Linnaeus, 1758 (currently Ptychoptera contaminata; Insecta, Diptera): neotype designated. Bulletin of Zoological Nomenclature 2019, 76: 198-199. https://www.biotaxa.org/bzn/article/view/58611/58843

ICZN 2019: Opinion 2446 (Case 3695) – Dimetrodon Cope, 1878 (Synapsida, SPHENACODONTIDAE): name conserved.  Bulletin of Zoological Nomenclature 2019, 76: 200-201. https://www.biotaxa.org/bzn/article/view/58612/58844 

ICZN 2020: Opinion 2447 (Case 3613) – Nyctimystes cheesmani Tyler, 1964 (Amphibia, Anura, HYLIDAE): original spelling of specific name maintained. Bulletin of Zoological Nomenclature 2020, 77: 47-48. https://www.biotaxa.org/bzn/article/view/61061/60672

ICZN 2020: Opinion 2448 (Case 3657) – STENODERINAE Pascoe, 1867 (Insecta, Coleoptera, CERAMBYCIDAE): emended to STENODERUSINAE to remove homonymy with STENODERINI Selander, 1991 (Insecta, Coleoptera, MELOIDAE). Bulletin of Zoological Nomenclature 2020, 77: 49-51. https://www.biotaxa.org/bzn/article/view/61063/60673

ICZN 2020: Opinion 2449 (Case 3672) – Anolis chlorocyanus Duméril & Bibron, 1837 and Anolis coelestinus Cope, 1862 (Reptilia, Squamata): conservation of usage of specific names by designation of a neotype for the former species not approved. Bulletin of Zoological Nomenclature 2020, 77: 52-54. https://www.biotaxa.org/bzn/article/view/61100/60678

ICZN 2020: Opinion 2450 (Case 3673) – Geophilus alpinus Meinert, 1870 (Chilopoda): specific name not conserved. Bulletin of Zoological Nomenclature 2020, 77: 55-56. https://www.biotaxa.org/bzn/article/view/61101/60679

ICZN 2020: Opinion 2451 (Case 3676) – Tupinambis indicus Daudin, 1802 (currently Varanus indicus; Reptilia, Squamata): specific name conserved. Bulletin of Zoological Nomenclature 2020, 77: 57-58. https://www.biotaxa.org/bzn/article/view/61102/60680

ICZN 2020: Opinion 2452 (Case 3680) – Geophilus bonensis Meinert, 1870 (Chilopoda): specific name not conserved. Bulletin of Zoological Nomenclature 2020, 77: 59-60. https://www.biotaxa.org/bzn/article/view/61103/60681
Official Correction 133 (Opinion 2452) – Summary of Commissioners’ comments amended and (Opinion 2455) – Ruling (1)(b) amended. Bulletin of Zoological Nomenclature 2020, 77: 103-104. https://www.biotaxa.org/bzn/article/view/63406/62407 

ICZN 2020: Opinion 2453 (Case 3687) – Phrynus mexicanus Poinar & Brown, 2004 (Arachnida, Amblypygi, PHRYNIDAE): specific name not conserved. Bulletin of Zoological Nomenclature 2020, 77: 61-62. https://www.biotaxa.org/bzn/article/view/61104/60682

ICZN 2020: Opinion 2454 (Case 3688) – CHARINIDAE Gray, 1849 (Reptilia, Squamata, Serpentes): emended to CHARINAIDAE to remove homonymy with CHARINIDAE Quintero, 1986 (Arachnida, Amblypygi); UNGALIOPHEINAE McDowell, 1987 (Reptilia, Squamata, Serpentes): emended to UNGALIOPHIINAE McDowell, 1987. Bulletin of Zoological Nomenclature 2020, 77: 63-65. https://www.biotaxa.org/bzn/article/view/61105/60683

ICZN 2020: Opinion 2455 (Case 3715) – Lanius leucorynchus and Psittacus mascarinus: species-group names conserved as justified emendations of punctuated original spellings, Lanius leucoryn. and Psittacus mascarin. in Linnaeus’s Mantissa Plantarum Altera, 1771. Bulletin of Zoological Nomenclature 2020, 77: 66-69. https://www.biotaxa.org/bzn/article/view/61106/60684 

ICZN 2020: Opinion 2456 (Case 3669) – Family-group names based on Ortalis Merrem, 1786 (Aves, Cracidae): usage conserved by suppression of the family-group names based on Ortalis Fallén, 1810 (Insecta, Diptera). Bulletin of Zoological Nomenclature 2020, 77: 92-95. https://www.biotaxa.org/bzn/article/view/63401/62402

ICZN 2020: Opinion 2457 (Case 3722) – Scarabaeus gazella Fabricius, 1787 (currently Digitonthophagus gazella or Onthophagus gazella; Insecta, Coleoptera, Scarabaeidae): neotype designated. Bulletin of Zoological Nomenclature 2020, 77: 95-96. https://www.biotaxa.org/bzn/article/view/63402/62403

ICZN 2020: Opinion 2458 (Case 3740) – SPHENOPIDAE Hertwig, 1882 (Cnidaria, Anthozoa, Hexacorallia, Zoantharia): name conserved. Bulletin of Zoological Nomenclature 2020, 77: 97-98. https://www.biotaxa.org/bzn/article/view/63403/62404

ICZN 2020: Opinion 2459 (Case 3743) – Allodaposuchus precedens Nopcsa, 1928 (Crocodyliformes, Eusuchia, Allodaposuchidae): neotype designated. Bulletin of Zoological Nomenclature 2020, 77: 99-100. https://www.biotaxa.org/bzn/article/view/63404/62405

ICZN 2020: Opinion 2460 (Case 3745) – Heteronychus Dejean, 1833 (Coleoptera, Scarabaeidae, Dynastinae): Geotrupes cricetus Hausmann, 1807 conserved as type species. Bulletin of Zoological Nomenclature 2020, 77: 101-102. https://www.biotaxa.org/bzn/article/view/63405/62406 

ICZN 2020: Opinion 2461 (Case 3711) – Iberolacerta Arribas, 1999 and Darevskia Arribas, 1999 (Chordata, Squamata, Lacertidae): names confirmed as available. Bulletin of Zoological Nomenclature 2020, 77: 135-137. https://www.biotaxa.org/bzn/article/view/66095/64483 

ICZN 2020: Opinion 2462 (Case 3736) – Garypus latus Hansen, 1884 (currently Larca lata; Arachnida, Pseudoscorpiones): specific name conserved. Bulletin of Zoological Nomenclature 2020, 77: 138-139. https://www.biotaxa.org/bzn/article/view/66098/64484

ICZN 2020: Opinion 2463 (Case 3746) – Ripiphorus Bosc, 1791 and Ripiphoridae Laporte, 1840 (Insecta, Coleoptera): generic and family-group names conserved by designation of a type species for the former. Bulletin of Zoological Nomenclature 2020, 77: 140-141. https://www.biotaxa.org/bzn/article/view/66099/64485

ICZN 2020: Opinion 2464 (Case 3749) – Erynnini Brues & Melander, 1932 (Insecta, Lepidoptera, Hesperiidae): name conserved. Bulletin of Zoological Nomenclature 2020, 77: 142-144. https://www.biotaxa.org/bzn/article/view/66100/64486

ICZN 2020: Opinion 2465 (Case 3750) – Dasypeltis atra Sternfeld, 1912 (Reptilia, Serpentes): specific name conserved. Bulletin of Zoological Nomenclature 2020, 77: 145-146. https://www.biotaxa.org/bzn/article/view/66101/64487

ICZN 2020: Opinion 2466 (Case 3761) – Platypleurini Schmidt, 1918 (Insecta, Hemiptera, Auchenorrhyncha, Cicadoidea): name conserved by conditional reversal of precedence. Bulletin of Zoological Nomenclature 2020, 77: 147-149. https://www.biotaxa.org/bzn/article/view/66103/64489 
Official Correction 135 (Opinion 2466) – Ruling (1) amended. Bulletin of Zoological Nomenclature 78: 60. https://www.biotaxa.org/bzn/article/view/68078/66078 

ICZN 2020: Opinion 2467 (Case 3763) – Stenonaster Lambert, 1922 and Stenonasteridae Lambert, 1922 (Echinodermata, Echinoidea): generic and family-group names conserved. Bulletin of Zoological Nomenclature 2020, 77: 150-152. https://www.biotaxa.org/bzn/article/view/66104/64490 

ICZN 2021: Opinion 2468 (Case 3601) – Spracklandus Hoser, 2009 (Reptilia, Serpentes, Elapidae) and Australasian Journal of Herpetology issues 1–24: confirmation of availability declined; Appendix A (Code of Ethics): not adopted as a formal criterion for ruling on Cases. Bulletin of Zoological Nomenclature 78: 42-45.  https://www.biotaxa.org/bzn/article/view/68068/66068  

ICZN 2021: Opinion 2469 (Case 3742) – Galago demidoff Fischer, 1806 (currently Galagoides demidoff; Mammalia, Primates, Galagidae) and Lemur minutus Cuvier, 1797: neotypes not designated. Bulletin of Zoological Nomenclature 78: 46-47. https://www.biotaxa.org/bzn/article/view/68069/66069

ICZN 2021: Opinion 2470 (Case 3744) – Bidessus Sharp, 1880 (Coleoptera, Dytiscidae, Bidessini): usage conserved. Bulletin of Zoological Nomenclature 78 (30 August 2021) ISSN 2057-0570 (online): 46-47. https://www.biotaxa.org/bzn/article/view/68070/66070

ICZN 2021: Opinion 2471 (Case 3752) – Curculio antirrhini Paykull, 1800 (currently Rhinusa antirrhini; Insecta, Coleoptera, Curculionoidea, Curculionidae): usage conserved. Bulletin of Zoological Nomenclature 78: 51-52. https://www.biotaxa.org/bzn/article/view/68071/66071 

ICZN 2021: Opinion 2472 (Case 3754) – Circus assimilis Jardine & Selby, 1828 and Circus approximans Peale, 1848 (Aves, Accipitriformes): usage conserved.  Bulletin of Zoological Nomenclature 78: 53-54. https://www.biotaxa.org/bzn/article/view/68072/66072

ICZN 2021: Opinion 2473 (Case 3759) – Costaclymenia Schindewolf, 1920 and Costaclymeniidae Ruzhencev, 1957: current usage conserved. Bulletin of Zoological Nomenclature 78: 55-56. https://www.biotaxa.org/bzn/article/view/68075/66075

ICZN 2021: Opinion 2474 (Case 3760) – Chrysomela tenebricosa Fabricius, 1775 (currently Timarcha tenebricosa; Insecta, Coleoptera, Chrysomelidae): specific name conserved. Bulletin of Zoological Nomenclature 78: 57-58. https://www.biotaxa.org/bzn/article/view/68076/66076 

ICZN 2021: Opinion 2475 (Case 239) – Tibicina Kolenati, 1857 and Lyristes Horvath, 1926 (Insecta, Hemiptera): usage conserved by the suppression of Tibicen Berthold, 1827; Cicada Linnaeus, 1758 (Insecta, Hemiptera): usage conserved by designation of Cicada orni Linnaeus, 1758 as the type species. Bulletin of Zoological Nomenclature 78: 138-141. https://www.biotaxa.org/bzn/article/view/70708/68130 Correction 138

ICZN 2021: Opinion 2476 (Case 3748) – Bothriembryon Pilsbry, 1894 (Mollusca, Gastropoda, Bothriembryontidae): name conserved by designation of Helix melo Quoy & Gaimard, 1832 as the type species of Liparus Albers, 1850. Bulletin of Zoological Nomenclature 78: 142-143. (online)  https://www.biotaxa.org/bzn/article/view/70709/68131

ICZN 2021: Opinion 2477 (Case 3768) – Hybosorus illigeri Reiche, 1853 (Insecta, Coleoptera): name conserved. Bulletin of Zoological Nomenclature 78: 144-146. https://www.biotaxa.org/bzn/article/view/70710/68132 

ICZN 2021: Opinion 2478 (Case 3771) – Stylina Lamarck, 1816 (Coelenterata, Scleractinia): current usage conserved by designation of a type species and corresponding lectotype. Bulletin of Zoological Nomenclature 78: 147-148. https://www.biotaxa.org/bzn/article/view/70711/68133 

ICZN 2021: Opinion 2479 (Case 3772) – Anastrepha Schiner, 1868 (Insecta, Diptera, Tephritidae): usage conserved by conditional reversal of precedence with respect to Toxotrypana Gerstaecker, 1860. Bulletin of Zoological Nomenclature 78: 149-151. https://www.biotaxa.org/bzn/article/view/70712/68134 

ICZN 2021: Opinion 2480 (Case 3774) – Diphyini Simon, 1894 (Arachnida, Araneae, Tetragnathidae): spelling emended to Diphyaini to remove homonymy with Diphyidae Quoy & Gaimard, 1827 (Hydrozoa, Siphonophorae). Bulletin of Zoological Nomenclature 78: 152-153  https://www.biotaxa.org/bzn/article/view/70713/68135 

ICZN 2021: Opinion 2481 (Case 3777) – Clausilia index Mousson, 1863, Clausilia semilamellata Mousson, 1863, Clausilia derasa Mousson, 1863 (Gastropoda, Stylommatophora, Clausiliidae): specific names conserved by suppression of the respective senior synonyms, Clausilia unilamellata Mousson, 1856, Clausilia multilamellata Mousson, 1856 and Clausilia firmata Mousson, 1856. Bulletin of Zoological Nomenclature 78: 155-157 (online) https://www.biotaxa.org/bzn/article/view/70714/68136

ICZN 2021: Opinion 2482 (Case 3783) – Orchestes Illiger, 1798 (Insecta, Coleoptera, Curculionoidea, Curculionidae): name conserved by conditional reversal of precedence with respect to Salius Schrank, 1798. Bulletin of Zoological Nomenclature 78: 158-159. https://www.biotaxa.org/bzn/article/view/70715/68137

ICZN 2022: Opinion 2483 (Case 3775) – Megaperidae Manter, 1934 (Platyhelminthes, Digenea): precedence re-established over Apocreadiinae Skrjabin, 1942. Bulletin of Zoological Nomenclature 79: 61-62 https://www.biotaxa.org/bzn/article/view/77666/73890

ICZN 2022: Opinion 2484 (Case 3778) – Clausilia quadriplicata Schmidt, 1868 (currently Quadriplicata quadriplicata; Gastropoda, Stylommatophora, Clausiliidae): conserved by suppression of the senior homonym Clausilia ventricosa var. quadriplicata Fitzinger, 1833. Bulletin of Zoological Nomenclature 79: 63-64 

ICZN 2022: Opinion 2485 (Case 3780) – Typhlodromus californicus McGregor, 1954 (currently Neoseiulus californicus; Arachnida, Acari, Mesostigmata, Phytoseiidae): current usage conserved by designation of a neotype. Bulletin of Zoological Nomenclature 79: 65-66 https://www.biotaxa.org/bzn/article/view/77669/73891 

ICZN 2023: Opinion 2486 (Case 3506) – Allosaurus Marsh, 1877 (Dinosauria, Theropoda): usage conserved by designation of a neotype for its type species Allosaurus fragilis Marsh, 1877.
Bulletin of Zoological Nomenclature 80 (1), 65-68 (29 December 2023). BioOne   

ICZN 2023: Opinion 2487 (Case 3739) – Tipula marci Linnaeus, 1758 and Tipula febrilis Linnaeus, 1758 (Insecta, Diptera, Bibionidae): specific names conserved by designation of a neotype for each.
Bulletin of Zoological Nomenclature 80 (1), 69-70, (29 December 2023). BioOne

ICZN 2023: Opinion 2488 (Case 3767) – Papilio phoebus Fabricius, 1793 (currently Parnassius phoebus; Insecta, Lepidoptera): usage conserved for the specific name and that of Doritis ariadne Lederer, 1853 (currently Parnassius ariadne) by the designation of a neotype. Bulletin of Zoological Nomenclature 80 (1), 71-73, (29 December 2023) BioOne

ICZN 2023: Opinion 2489 (Case 3769) – Proposed use of the plenary power to declare the pamphlet “Procrustomachia” as an unavailable work not approved. Bulletin of Zoological Nomenclature 80 (1), 74-75 (29 December 2023) BioOne

ICZN 2023: Opinion 2490 (Case 3770) – Musca jejuna Fabricius, 1787 (currently Bengalia jejuna) and Musca torosa Wiedemann, 1819 (currently Bengalia torosa) (Insecta, Diptera, Calliphoridae): usage conserved by setting aside the existing name-bearing type of each nominal species and replacing it with a male neotype. Bulletin of Zoological Nomenclature 80 (1), 76-77 (29 December 2023) BioOne

ICZN 2023: Opinion 2491 (Case 3779) – Petalodus Owen, 1840 (Chondrichthyes, Petalodontiformes, Petalodontidae): proposed conservation of usage by designation of a neotype for its type species Petalodus hastingsii Owen, 1840 not approved. Bulletin of Zoological Nomenclature 80 (1), 78-80 (29 December 2023) BioOne

ICZN 2023: Opinion 2492 (Case 3781) – Lucerna Swainson, 1840 and Lucerninae Swainson, 1840 (Mollusca, Gastropoda): authorship, date and type species fixed. Bulletin of Zoological Nomenclature 80 (1), 81-83 (29 December 2023) BioOne

ICZN 2023: Opinion 2493 (Case 3782) – Nebela militaris Penard, 1890 (Arcellinida, Hyalospheniidae): specific name conserved. Bulletin of Zoological Nomenclature 80 (1), 84-85 (29 December 2023) BioOne

ICZN 2023: Opinion 2494 (Case 3784) – Cnodalon Latreille, 1797 (Coleoptera, Tenebrionidae, Stenochiinae, Cnodalonini): usage conserved by designation of Cnodalon viride Latreille, 1804 as the type species. Bulletin of Zoological Nomenclature 80 (1), 86-88 (29 December 2023) BioOne

ICZN 2023: Opinion 2495 (Case 3785) – Cepheidae Berlese, 1896 (Acariformes): emended to Cepheusidae to remove homonymy with Cepheidae Agassiz, 1862 (Cnidaria). Bulletin of Zoological Nomenclature 80 (1), 89-94 (29 December 2023) BioOne

ICZN 2023: Opinion 2496 (Case 3786) – Helix diodon Rossmässler, 1835 and Helix dibothrion Bielz, 1860 (currently Perforatella dibothrion) (Gastropoda, Stylommatophora, Hygromiidae) deemed unavailable from their first mention in synonymy, by setting aside the provisions of Art. 11.6.1
The Bulletin of Zoological Nomenclature 80 (1), 95-98 (29 December 2023) BioOne

ICZN 2023: Opinion 2497 (Case 3787) – Rhyncholepta grandicallosa Bergroth, 1911 (Insecta, Hemiptera, Heteroptera): replacement of the lectotype by a neotype. Bulletin of Zoological Nomenclature 80 (1), 99-100 (29 December 2023) BioOne

ICZN 2023: Opinion 2498 (Case 3788) – Streblopus Lansberge, 1874 (Insecta, Coleoptera, Scarabaeidae): usage conserved by suppression of Colonychus Harold, 1868.Bulletin of Zoological Nomenclature 80 (1), 101-102 (29 December 2023) BioOne

ICZN 2023: Opinion 2499 (Case 3789) – Ateuchus costatus Wiedemann, 1823 (currently Scarabaeus costatus; Insecta, Coleoptera, Scarabaeidae): usage of the species-group name conserved. Bulletin of Zoological Nomenclature 80 (1), 103-104 (29 December 2023) BioOne

ICZN 2023: Opinion 2500 (Case 3790) – Proposed review of Opinion 2404 and reconsideration of Case 3633: Dysactis pallida Agassiz in Verrill, 1864 (currently Exaiptasia pallida; Cnidaria, Anthozoa, Hexacorallia, Actiniaria): proposed precedence over Exaiptasia diaphana (Rapp, 1829) not approved. Bulletin of Zoological Nomenclature 80 (1), 105-106, (29 December 2023) BioOne