International Commission on Zoological Nomenclature

All Cases

Cases 3800-Present

Case 3800: Conservation of Sagenodus inaequalis Owen 1867 (Sarcopterygii, Sagenodontidae) by proposed designation of a neotype for the type species.
Case 3801: Procheneosaurus Matthew, 1920 and Tetragonosaurus Parks, 1931 (Archosauria, Ornithischia): request to set aside Opinion 193 and remove Procheneosaurus from the Official List of Generic Names in Zoology, and Tetragonosaurus from the Official Index of Rejected and Invalid Generic Names in Zoology.
Case 3802: Proposal to remove Dicynodon turpior Huene, 1935 (Synapsida, Dicynodontia) from the Official List of Specific Names in Zoology and place Diodontosaurus pedroanum Tupi-Caldas, 1936 on the Official Index of Rejected and Invalid Specific Names in Zoology.
Case 3803: Coelosaurus Leidy, 1865 (Dinosauria, Theropoda) and Ischyrosaurus Hulke, 1874 (Dinosauria, Sauropoda): proposed conservation by suppression of Coelosaurus Owen, 1854 and Ischyrosaurus Cope, 1869
Case 3804: Magelona filiformis minuta Wilson, 1959 and Magelona minuta Eliason, 1962 (Annelida, Magelonidae): proposed conservation by suppression of Magelona filiformis minuta Wilson, 1959
Case 3805: Calliactis Verrill, 1869 (Cnidaria, Anthozoa, Hexacorallia, Actiniaria): proposed precedence over Adamsia Forbes, 1840
Case 3806: Paranemastoma superbum Redikortsev, 1936 (Arachnida, Opiliones, Nemastomatidae): proposed conservation of usage of the specific name by giving it precedence over Nemastoma supersum Roewer, 1951
Case 3807: Onthophagus anthracinus Harold, 1873 (Insecta, Coleoptera, Scarabaeidae): proposed conservation of the specific name
Case 3808: Falciclymenia Schindewolf, 1923 (Late Devonian; Mollusca, Cephalopoda, Ammonoidea): proposed designation of a new type species
Case 3809: Proposed suppression of Asterias clathrata Pennant 1777, a senior homonym of Asterias clathrata Say, 1825 (Echinodermata, Asteroidea, Luidiidae)
Case 3810: Mastodon pentelici Gaudry, 1862 (currently Choerolophodon pentelici; Mammalia, Proboscidea): proposed conservation of the specific name as correct original spelling by suppression of Mastodon pentelicus Gaudry & Lartet, 1856
Case 3811: Proposal to remove Aplysia spuria Krauss, 1848 (Gastropoda, Aplysiidae) from the Official Index of Rejected and Invalid Specific Names in Zoology.
Case 3812: Choeridium latum Boucomont, 1928 (currently Ateuchus latus) (Insecta, Coleoptera, Scarabaeidae): proposed conservation of the specific name
Case 3813: Acalyptini Thomson, 1859 (Hexapoda, Coleoptera) and Acalyptini Blatchley, 1926 (Hexapoda, Heteroptera): proposed removal of homonymy by emendation of the latter name to Acalyptaini
Case 3814: Proposed conservation of usage of the name Mylothris agathina Cramer, 1779 (Lepidoptera, Pieridae)
Case 3815: Tyrannosauridae Osborn, 1906 (Dinosauria, Theropoda): proposed conservation by reversal of precedence of Deinodontidae Cope, 1866 and Dryptosauridae Marsh, 1890
Case 3816: Anisoscelis Berthold, 1827 (Insecta, Hemiptera, Coreidae): proposed conservation of existing usage by designating Lygaeus foliaceus Fabricius, 1803 as the type species
Case 3817: Turdus ustulatus Nuttall, 1840 (currently Catharus ustulatus; Aves, Passeriformes, Turdidae): proposed conservation of prevailing usage by designation of a neotype
Case 3818: Mecynostomatidae Kukalová, 1969 (Insecta, Paleodictyoptera): proposed conservation of the family-group name by suppression of Mecynostomatidae Lameere, 1917.
Case 3819: Euchromiini Léger et al., 2019 (Insecta, Lepidoptera, Crambidae) and Euchromiinae Butler, 1876 (Insecta, Lepidoptera, Erebidae): proposed resolution of homonymy by emending the former to Euchromiusini.
Case 3820: Hemiarthrinae Markham, 1972 (Arthropoda, Malacostraca) and Hemiarthridae Sirenko, 1997 (Mollusca, Polyplacophora): proposed resolution of homonymy between family-group names
Case 3821: Helix spirorbis Deshayes, 1850 (currently Scolodonta spirorbis; Gastropoda, Stylommatophora): proposed conservation of the specific name
Case 3822: Suchomimus tenerensis Sereno et al., 1998 (Dinosauria, Theropoda): proposed conservation by reversal of precedence with Cristatusaurus lapparenti Taquet & Russell, 1998
Case 3823: Molgula Forbes, 1848 (Ascidiacea, Stolidobranchia): proposed precedence over Caesira Fleming, 1822, Cystingia MacLeay, 1825 and Syphonotethis Gervais, 1840
Case 3824: A special proposal to suppress certain names under the plenary powers of the Commission
Case 3825: Coloradisaurus Bonaparte in Lambert, 1983 (Dinosauria, Sauropodomorpha): proposed availability of generic name, and D. Lambert (1983) A Field Guide to Dinosaurs: proposed availability for nomenclatural purposes
Case 3826: Propappus Michaelsen, 1905 (Annelida, Clitellata): proposed precedence over Propappus Seeley, 1888 (Vertebrata, Reptilia)
Case 3827: Dates of publication of bird names introduced by Coenraad Temminck in the first twenty livraisons of the Nouveau recueil de planches coloriées in 1821–1822
Case 3828: The family name of the pearl oysters: Proposal to remove the homonymy of Margaritidae Blainville, 1824 (Mollusca, Bivalvia) with Margaritidae Thiele, 1924 (Mollusca, Gastropoda), by amending the latter to Margaritesidae
Case 3829: Halitherium Kaup, 1838 and Halitherium schinzii (Kaup, 1838) (Mammalia, Sirenia): proposed conservation of current usage by designation of a neotype for Halitherium schinzii
Case 3830: Proposed suppression for nomenclatural purposes of the work: “Studien über die skandinavischen und arktischen Maldaniden…” (Annelida, Maldanidae). Inaugural-Dissertation zur Erlangungen der Doktorwürde” by Ivar Arwidsson
Case 3831: Marmosa isthmica Goldman 1912 (Mammalia, Didelphimorphia, Didelphidae): Proposal to conserve current usage by suppressing its senior synonym, Marmosa regina Thomas, 1898
Case 3832: Cryphalus saltuarius Weise, 1891 (Coleoptera, Curculionidae): proposed conservation of the specific name by suppression of Bostrichus asperatus Gyllanhal, 1813 (currently Cryphalus asperatus)
Case 3833: Hyla prasina Burmeister, 1856 (currently Boana prasina; Amphibia, Anura, Hylidae): proposed precedence over Hyla quoyi Bory de Saint-Vincent, 1828
Case 3834: Ctenarytaina Ferris & Klyver, 1932 (Insecta, Hemiptera): proposed precedence over Eurhinocola Crawford, 1912
Case 3835: Charopus rotundatus Erichson, 1840 (Coleoptera, Melyridae, Malachiinae): proposed conservation of current usage by designation of a neotype
Case 3836: Sycon Risso, 1827 (Porifera, Sycettidae): proposed conservation of the genus name
Case 3837: Trilobatus Spezzaferri, Kucera, Pearson, Wade, Rappo, Poole, Morard, and Stalder, 2015 (Foraminifera, Globigerinidae): proposed precedence over Trilobigerina Popescu, 1987
Case 3838: Helix plicaria Lamarck, 1816 (currently Hemicycla plicaria; Gastropoda, Eupulmonata, Stylommatophora, Helicidae): proposed conservation of the specific name
Case 3839: Helix unidentata Draparnaud, 1805 (currently Petasina unidentata; Gastropoda, Hygromiidae): proposed conservation of the specific name and proposed fixation of the type species of the genus-group name Petasina Beck, 1847
Case 3840: Proterochersis robusta Fraas, 1913 (Testudinata, Proterochersidae): proposed conservation of the generic and specific name by conditional suppression of Chelytherium obscurum Meyer, 1863
Case 3841: Epigraphiidae Guenée, 1845 (Lepidoptera, Gelechioidea): proposed suppression to conserve the widely used family group name Depressariidae Meyrick, 1883. 
Case 3843: Myoxus melitensis Adams, 1863 (currently Leithia melitensis; Rodentia, Gliridae): proposed precedence over Myoxus miletensis Adams, 1863
Case 3844: Taenia asiatica Eom & Rim, 1993 (Cestoda, Cyclophyllidea, Taeniidae): proposed conservation of the specific name
Case 3845: Proposed confirmation of the type species of Pseudochloritis Boettger, 1909, with the preservation of Helix incrassata Klein, 1853, a junior primary homonym of Helix incrassata Reeve, 1853 (Mollusca, Gastropoda, Helicoidea)
Case 3846: Microcentrini Deitz, 1975 (Insecta, Hemiptera, Membracidae): proposed emendation of spelling to Microcentrusini to remove homonymy with Microcentrini Brunner von Wattenwyl, 1878 (Insecta, Orthoptera, Phaneropteridae)
Case 3847: Simopithecus oswaldi Andrews, 1916 (currently Theropithecus oswaldi; Mammalia, Primates, Cercopithecidae), proposed conservation by reversal of precedence with Cynocephalus atlanticus Thomas, 1884
Case 3848: Mytilus californianus Conrad, 1837 (Mollusca, Bivalvia, Mytilidae): proposed precedence over Mytilus zonarius Lamarck, 1819 and Mytilus canalis Lamarck, 1819
Case 3849: Emplectonematidae Bürger, 1904 and Emplectonema Stimpson, 1857 (Nemertea, Monostilifera): proposed conservation of current usage by reversal of precedence of the family name with respect to Eunemertidae Joubin, 1894 and designation of a new type species for the genus
Case 3850: Micruridae Ehrenberg, 1831 (Nemertea, Pilidiophora): proposed suppression for removal of homonymy with Micruridae Dunn, 1931 (Reptilia, Serpentes), as well as for conservation of prevailing usage of Lineidae McIntosh, 1874 (Nemertea, Pilidiophora)
Case 3851: Buprestis millefolii Fabricius, 1801 (currently Anthaxia millefolii, Insecta, Coleoptera, Buprestidae): proposed conservation by suppression of senior homonym Buprestis millefolii Herbst, 1801 and Anthaxia polychloros Abeille de Perrin, 1894
Case 3852: Syntormon Loew, 1857 (Diptera, Dolichopodidae): proposed determination of neuter gender
Case 3853: Eumeces niger Hombron & Jacquinot, 1853 (currently Emoia nigra) (Reptilia, Scincidae): proposed conservation of prevailing usage by setting aside a lectotype designation for Gongylus (Eumeces) freycinetii Duméril & Bibron, 1839 (currently Emoia atrocostata freycinetii).
Case 3854: Macoma Leach, 1819 (Mollusca, Bivalvia, Tellinidae): proposed conservation of usage, and request for confirmation of the unavailability of Limecola Brown, 1844 and Limicola Leach, 1852.
Case 3855: Proposed conservation of Sandbergeria Bosquet in Weinkauff, 1860 (Mollusca, Gastropoda) in its accustomed sense by designating Pyramidella cancellata Nyst, 1836 as type species.
Case 3856: Canis familiaris Linnaeus, 1758 (Mammalia, Carnivora, canidae): reaffirming the stability of the specific name for all ancient and modern breeds of dog, and their intermixed breeds.
Case 3857: Acmaeodera brevipes Kiesenwetter, 1858 (Insecta, Coleoptera): proposed precedence over Acmaeodera cuprifera Laporte & Gory, 1835.
Case 3858: Formiciinae Lutz, 1986 (Insecta, Hymenoptera): proposed conservation by replacement of type species for Formicium Westwood, 1854
Case 3859: Arvicola nivalis Martins, 1842 (currently Chionomys nivalis; Mammalia, Rodentia): proposed precedence over Hypudaeus syriacus Brants, 1827
Case 3860: Stygnidae Handlirsch, 1906 (Arthropoda, Insecta, Protorthoptera): proposed emendation of spelling to Stygneidae to remove homonymy with Stygnidae Simon, 1879 (Arthropoda, Arachnida, Opiliones).
Case 3861: Galago demidoff Fischer, 1806 (currently Galagoides demidoff; Mammalia, Primates, Galagidae): proposed precedence over Lemur minutus Cuvier, 1797.
Case 3862: Aphrodes Curtis, 1831 (Hemiptera, Cicadellidae, Aphrodinae, Aphrodini): proposed conservation of usage by designation of Cicada bicincta Schrank, 1776 as the type species.

Cases 3700-3799

Case 3700: Diplodocus Marsh, 1878 (Dinosauria, Sauropoda): proposed designation of D. carnegii Hatcher, 1901 as the type species
Case 3701: Stenostoma albifrons Wagler in Spix, 1824 (currently Epictia albifrons; Reptilia,  Serpentes, Leptotyphlopidae): request for invalidation of a neotype designation of MCZ
R-2885 under the plenary power
Case 3702: Verconella dilatata var. cuvieriana Powell, 1927 (currently Penion cuvierianus; Mollusca, Gastropoda, Buccinoidea): proposed conservation of the specific name
Case 3703: Nautilus pompilius Linnaeus, 1758 (Mollusca, Cephalopoda, Nautilida): proposed designation of a neotype
Case 3704: Lepisma Linnaeus, 1758 (Insecta, Zygentoma, Lepismatidae): proposed reversal of Direction 71 (1957) regarding the gender of the name
Case 3705: Mantis limbata Brullé, 1838 (currently Ameles limbata) (Mantodea, Mantidae, Amelinae): proposed conservation of the specific name.
Case 3706: Trochus (Osilinus ?) capillaceus Philippi, 1849 (currently Cantharidus capillaceus; Mollusca, Gastropoda, Trochoidea): proposed conservation of the specific name
Case 3707: Proposed suppression of neotypes of the Carboniferous ichnospecies Attenosaurus subulensis (Aldrich & Jones) with the rediscovery of the holotype
Case 3709: Conservation of the usage of names of western North American Hesperia comma-group subspecies (Lepidoptera, Hesperiidae) through designation of neotypes for Pamphila colorado Scudder, 1874, Pamphila manitoba Scudder, 1874, Pamphila cabelus Edwards, 1881, Pamphila harpalus Edwards, 1881, Pamphila idaho Edwards, 1883, Pamphila oregonia Edwards, 1883, and Hesperia colorado ochracea Lindsey, 1941
Case 3710: Heterodontidae Bonaparte, 1845 (Reptilia, Serpentes) and Heterodontina Gray, 1851 (Chondrichthyes, Heterodontiformes): proposed resolution of homonymy and stabilization of the use of the generic name Heterodontus Gray, 1851.
Case 3711: Iberolacerta Arribas and Darevskia Arribas (Chordata, Squamata, Lacertidae): proposals to deem these names available either from Arribas (1997) or from Arribas (1999)
Case 3713: Scarabaeus ferrugineus Palisot de Beauvois, 1809 (currently Bradycinetulus ferrugineus) (Insecta: Coleoptera: Scarabaeoidea): proposed conservation of the specific name
Case 3715: Punctuated avian species-group names as abbreviations in the zoological appendix of Linnaeus' Mantissa Plantarum Altera, 1771: proposed conservation of leucorynchus and mascarinus as justified emendations of their respectively punctuated original spellings as Lanius leucoryn. and Psittacus mascarin.
Case 3716: CASE 3716: ACRIDINA McCleay, 1821 (Insecta, Orthoptera) and ACRIDINA Mivart, 1868 (Amphibia, Anura): resolution of homonymy between family-group names.
Case 3717: Xylophagidae Purchon, 1941 (Mollusca: Bivalvia): proposed emendation of the spelling to Xylophagaidae to remove homonymy with Xylophagidae Fallén, 1810 (Insecta: Diptera).
Case 3721: Callophrys dumetorum oregonensis Gorelick, 1968: designation of neoparatypes (Insecta: Lepidoptera: Lycaenidae)
Case 3722: Scarabaeus gazella Fabricius, 1787 (currently Digitonthophagus gazella or Onthophagus gazella; Insecta, Coleoptera, Scarabaeidae): proposed conservation of usage of the specific name by designation of a neotype
Case 3723: Bolitophagus cornutus Fabricius, 1801 (currently Bolitotherus cornutus) (Insecta: Coleoptera: Tenebrionidae): proposed conservation of the specific name
Case 3724: Metochus abbreviatus Scott, 1874 (Insecta, Heteroptera): proposed precedence over Rhyparochromus erosus Walker, 1872 (currently Metochus erosus)
Case 3725: Lema decempunctata Gebler, 1829 (Insecta, Coleoptera, Chrysomelidae): proposed conservation of the emended specific name
Case 3726: Inuus fuscatus Gray, 1870 (currently Macaca fuscata; Mammalia, Primates, Cercopithecidae): proposed correction to Opinion 920
Case 3727: Rhisotrogus zealandicus White, 1846 (currently Costelytra zealandica; Insecta, Coleoptera, Scarabaeidae): application for conservation of prevailing usage of the name by designation of a neotype under Art. 75.6 of the Code.
Case 3728: Quetzalcoatlus northropi (Reptilia, Pterosauria): proposed availability and attribution of authorship to Lawson, 1975
Case 3729: The homonyms Brachypleura Angelin, 1854 (Trilobita) and Brachypleura Günther, 1862 (Actinopterygii)
Case 3730: Thamnophilus schistaceus d’Orbigny, 1838 (Aves: Thamnophilidae): proposed conservation of usage by suppression of Thamnophilus schistaceus d’Orbigny, 1835
Case 3731: Case 3731 – Charissa Curtis, 1826 (Lepidoptera: Geometridae): proposed conservation by reversal of precedence with Hyposcotis Hübner, [1825]
Case 3732: Reteporina d’Orbigny, 1849 (Bryozoa: Fenestrata): proposed replacement of the type species with Reteporina transiens (Počta, 1894)
Case 3733: Cetonia marmorea Olivier, 1789 (Coleoptera: Scarabaeidae: Cetoniinae: Gymnetini): proposed conservation by reversal of precedence with Scarabaeus pulcher Swederus, 1787
Case 3734: Sylvia ruficeps d’Orbigny & Lafresnaye, 1837 (Aves: Thraupidae): proposed conservation of usage by partial suppression of Hylactes ruficeps d’Orbigny, 1836 and 1838
Case 3735: Lamellibrachia victori Mañé-Garzón and Montero, 1986 (currently 1985) (Annelida: Polychaeta), Phylum Mesoneurophora, etc., documentation of the correct dates
Case 3736: Garypus latus Hansen, 1884 (currently Larca lata; Arachnida, Pseudoscorpiones): proposed precedence over Garypus hungaricus Tömösváry, 1882
Case 3737: Redefining the name-bearing type (the specimen and the specigen): the dual solution for problematic names ruined by inadequate types, and for naming taxa best defined by DNA
Case 3738: Chlorops Meigen, 1803 (Insecta: Diptera: Chloropidae): conservation of usage by correction of Opinion 348
Case 3739: Proposed conservation of usage of the specific names of Tipula marci Linnaeus, 1758 (currently Bibio marci) and Tipula febrilis Linnaeus, 1758 (currently Dilophus febrilis) by designation of a neotype for each (Insecta, Diptera, Bibionidae)
Case 3740: Sphenopidae Hertwig, 1882 (Cnidaria: Anthozoa: Hexacorallia: Zoantharia): proposed conservation by being given precedence over Palythoidae Duchassaing de Fombressin & Michelotti, 1860
Case 3741: Pertaining the usage of the gastropod taxon of Cypraeidae Cypraea (Lyncina) leviathan Schilder & Schilder, 1937 as nomen conservandum, and declaring Cypraea carneola var. tuberculigera Sulliotti, 1924 nomen oblitum
Case 3742: Galago demidoff Fischer, 1806 (currently Galagoides; Mammalia, Primates, Galagidae): proposed conservation of the specific name and designation of a neotype. Lemur minutus Cuvier, 1797: proposed designation of a neotype
Case 3743: Allodaposuchus precedens Nopcsa, 1928 (Crocodyliformes: Eusuchia: Allodaposuchidae): proposed designation of a neotype
Case 3744: Bidessus Sharp, 1880 (Coleoptera, Dytiscidae, Bidessini): proposed conservation of usage by designation of Dytiscus unistriatus Goeze, 1777 as the type species
Case 3745: Heteronychus Dejean, 1833 (Coleoptera: Scarabaeidae: Dynastinae): proposed conservation of usage by conserving Heteronychus cricetus Hausmann, 1807 as the type species
Case 3746: Ripiphoridae Laporte, 1840 and Ripiphorus Bosc, 1791 (Insecta, Coleoptera): proposed conservation of usage by designating Ripiphorus subdipterus Fabricius, 1792 as the type species of Ripiphorus and proposed ruling that Laporte (1840) used the type genus Ripiphorus in the sense defined by the type species Ripiphorus subdipterus
Case 3747: Rivulinae Grote, 1895 (Lepidoptera, Glossata, Noctuoidea) and Rivulidae Myers, 1925 (Osteichthyes, Cyprinodontiformes): proposed emendation of the spelling of the lepidopterous subfamily to Rivulainae to remove homonymy
Case 3748: Bothriembryon Pilsbry, 1894 (Mollusca, Gastropoda, Bothriembryontidae): proposed conservation of the name by designation of Helix melo Quoy & Gaimard, 1832 as the type species of Liparus Albers, 1850
Case 3749: Erynnini Brues & Melander, 1932: proposed conservation by suppression of Erynnidi Tutt, 1906, Erynninae Swinhoe, 1913 and Erynnidae Hampson, 1918 (Insecta, Lepidoptera, Hesperiidae)
Case 3750: Dasypeltis atra Sternfeld, 1912 (Reptilia, Serpentes): proposed precedence over Dasypeltis lineolata Peters, 1878
Case 3752: Curculio antirrhini Paykull, 1800 (currently Rhinusa antirrhini; Insecta, Coleoptera, Curculionoidea, Curculionidae): proposed precedence over Curculio noctis Herbst, 1795
Case 3753: Richtersiidae Guidetti et al., 2017 (Tardigrada): proposed emendation of the spelling to Richtersiusidae to remove homonymy with Richtersiidae Kreis, 1929 (Nematoda).
Case 3754: Circus assimilis Jardine & Selby, 1828 and Circus approximans Peale, 1848 (Aves, Accipitriformes): conservation of usage by designation of a neotype for Circus assimilis Jardine & Selby, 1828, and suppression of Circus juxta, Peale, 1848
Case 3755: Fasciolaria papillosa G.B. Sowerby, 1825 (Mollusca, Gastropoda): proposed suppression; and Fasciolaria gigantea Kiener, 1840 (currently Triplofusus giganteus: Mollusca, Gastropoda): proposed conservation of usage.
Case 3757: Pterodactylus crassipes Meyer, 1857 (currently Ostromia crassipes; Reptilia: Saurischia): proposed reinstatement
Case 3759: Conservation of Costaclymenia Schindewolf, 1920 and Costaclymeniidae Ruzhencev, 1957 by proposed designation of a neotype for Goniatites binodosus Münster, 1832 (Mollusca, Cephalopoda, Ammonoidea)
Case 3760: Chrysomela tenebricosa Fabricius, 1775 (currently Timarcha tenebricosa; Insecta, Coleoptera, Chrysomelidae): proposed precedence of the specific name over Tenebrio laevigatus Linnaeus, 1767
Case 3761: Platypleurini Schmidt, 1918: Proposed precedence over Hamzaria Distant, 1905 to conserve nomenclatural stability in the Cicadidae (Insecta, Hemiptera, Auchenorrhyncha, Cicadoidea)
Case 3762: Didelphis marsupialis Linnaeus, 1758 (Mammalia, Didelphimorphia): proposed replacement of syntypes by a neotype
Case 3763: Stenonaster Lambert, 1922 and Stenonasteridae Lambert, 1922 (Echinodermata, Echinoidea): proposed conservation by reversal of precedence of Stenocorys Lambert, 1917 and Stenocoridae Lambert, 1920
Case 3764: Cuvierina columnella, C. atlantica, C. spoeli (Mollusca, Gastropoda, Euthecosomata). 
Case 3765: Thionia Stål, 1859 (Hemiptera, Auchenorrhyncha, Issidae): proposed designation of Issus cinctifrons Stål, 1854 as the type species.
Case 3767: Papilio phoebus Fabricius, 1793 (currently Parnassius phoebus; Insecta, Lepidoptera): proposed conservation of prevailing usage of the specific name and that of Doritis ariadne Lederer, 1853 (currently Parnassius ariadne) by the designation of a neotype
Case 3768: Hybosorus illigeri Reiche, 1853 (Insecta, Coleoptera): proposed conservation by giving it precedence over Hybosorus pinguis Westwood, 1845, Hybosorus roei Westwood, 1845 and Hybosorus carolinus LeConte, 1847
Case 3769: Proposed use of the plenary power to declare the pamphlet “Procrustomachia” as an unavailable work
Case 3770: Musca jejuna Fabricius, 1787 (currently Bengalia jejuna) and Musca torosa Wiedemann, 1819 (currently Bengalia torosa) (Insecta, Diptera, Calliphoridae): proposed conservation of prevailing usage of names by setting aside existing name-bearing types (syntypes) of both nominal species and replacing them with male neotypes
Case 3771: Stylina Lamarck, 1816 (Coelenterata, Scleractinia): proposed conservation of usage by designation of Stylina insignis Fromentel, 1861 as type species and lectotype designation for it
Case 3772: Anastrepha Schiner, 1868 (Insecta, Diptera, Tephritidae): Proposed precedence over Toxotrypana Gerstaecker, 1860
Case 3773: Ptychodus mammillaris Agassiz, 1835 and Ptychodus mammillaris Agassiz, 1838 (Chodrichthyes, Ptychodontidae): a case of priority versus common usage
Case 3774: Diphyini Simon, 1894 (Arachnida, Araneae, Tetragnathidae): proposed emendation of the current spelling to Diphyaini to remove homonymy with Diphyidae Quoy & Gaimard, 1827 (Hydrozoa, Siphonophorae)
Case 3775: Megaperidae Manter, 1934 and Apocreadiinae Skrjabin, 1942 (Platyhelminthes, Digenea): proposed re-establishment of precedence of the older family-group name.
Case 3776: Nosema necatrix Kramer, 1965 (currently Vairimorpha necatrix; Microsporidia): proposed precedence over Thelohania ephestiae Mattes, 1928 (currently Vairimorpha ephestiae).
Case 3777: Clausilia index Mousson, 1863, Clausilia semilamellata Mousson, 1863, Clausilia derasa Mousson, 1863 (Gastropoda, Stylommatophora, Clausilidae): proposed precedence of the specific names over three objective synonyms, Clausilia unilamellata Mousson, 1856, Clausilia multilamellata Mousson, 1856 and Clausilia firmata Mousson, 1856
Case 3778: Clausilia quadriplicata Schmidt, 1868 (currently Quadriplicata quadriplicata; Gastropoda, Stylommatophora, Clausiliidae): proposed conservation by suppression of the senior homonym Clausilia ventricosa var. quadriplicata Fitzinger, 1833
Case 3779: Petalodus Owen, 1841 (Chondrichthyes, Petalodontiformes, Petalodontidae): proposed conservation of usage by designation of a neotype for its type species Petalodus hastingsii Owen, 1841.
Case 3780: Typhlodromus californicus McGregor, 1954 (currently Neoseiulus californicus; Arachnida, Acari, Mesostigmata, Phytoseiidae): proposed conservation of current usage by designation of a neotype
Case 3781: Proposed fixation of authorship, date and type species of the genus-group name Lucerna Swainson, 1840, with preservation of the family-group name Lucerninae Swainson, 1840 (Mollusca, Gastropoda) by suppression of Lucerna Ferussac, 1821
Case 3782: Nebela militaris Penard, 1890 (Arcellinida, Hyalospheniidae): proposed conservation of the specific name by giving it precedence over Nebela bursella Taranek, 1881
Case 3783: Case 3783 – Orchestes Illiger, 1798 (Insecta, Coleoptera, Curculionoidea, Curculionidae): proposed precedence over Salius Schrank, 1798
Case 3784: Cnodalon Latreille, 1797 (Coleoptera, Tenebrionidae, Stenochiinae, Cnodalonini): proposed conservation of usage by designation of Cnodalon viride Latreille, 1804 as the type species
Case 3785: Proposal to remove the homonymy of Cepheidae Berlese, 1896 (Acariformes) with Cepheidae Agassiz, 1862 (Cnidaria), by emending the former to Cepheusidae
Case 3786: Helix dibothrion Bielz, 1860 (currently Perforatella dibothrion, Gastropoda, Stylommatophora, Hygromiidae): proposed conservation by suppression of the senior synonym Helix diodon Rossmässler, 1835 and proposed conservation of its prevailing spelling
Case 3787: Rhyncholepta grandicallosa Bergroth, 1911 (Insecta, Hemiptera, Heteroptera): proposed replacement of the lectotype by a neotype
Case 3788: Streblopus Lansberge, 1874 (Insecta, Coleoptera, Scarabaeidae): proposed conservation by suppression of Colonychus Harold, 1868 for the purposes of the Principle of Priority
Case 3789: Ateuchus costatus Wiedemann, 1823 (currently Scarabaeus costatus) (Insecta, Coleoptera, Scarabaeidae): proposed conservation of the specific name
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)
Case 3791: Proposed suppression of the syntypes and designation of a neotype for Lacerta oxycephala Duméril et Bibron, 1839 (Reptilia: Squamata: Lacertidae)
Case 3792: Proposal to conserve current usage of Pachnaeus Schoenherr, 1826 by the suppression of Docorhinus Schoenherr, 1823 (Insecta, Coleoptera, Curculionidae)
Case 3793: Request for a confirmation of the correct stem for family-group names proposed before 2000 and typified by fish genera with names ending in -lebias
Case 3794: Megalosaurus crenatissimus Deperet, 1896 (currently Majungasaurus crenatissimus) (Dinosauria, Theropoda): request to set aside Opinion 2269 and replace the neotype with a lectotype
Case 3795: Kryptops palaios Sereno & Brusatte, 2008 (Dinosauria, Abelisauridae): proposed conservation of usage by the designation of a lectotype
Case 3796: Proposal to remove Xenophrys monticola Günther, 1864 (Amphibia: Megophyridae) from the Official Index of Rejected and Invalid Specific Names in Zoology.
Case 3797: Torvosaurus Galton & Jenson, 1979 (Dinosauria, Theropoda): proposed conservation of usage by designation of a neotype for its type species Torvosaurus tanneri Galton & Jenson, 1979.
Case 3798: Gymnodactylus humeralis Guichenot, 1855 (currently Gonatodes humeralis; Reptilia, Sphaerodactylidae): proposed conservation of the specific name by suppression of Gymnodactylus timoriensis Duméril & Bibron, 1836.
Case 3799: Anas boschas domestica Brünnich, 1764 (Aves, Anatidae) (currently Anas platyrhynchos domestica) and Anas anser domesticus Brünnich, 1764 (Aves, Anatidae) (currently Anser anser domesticus): proposed conservation of subspecific names in conformance with prevailing usage, and resolution of type species for the genus Anser Brisson, 1760 by reversing priority of Anas adunca Linnaeus, 1758 in favour of Anas boschas domestica Brünnich, 1764 and further by either (i) recognising authorship by Brisson (1760) of Anser domesticus or (ii) deeming Brünnich’s two names not to be primary homonyms and deeming Anas anser Linnaeus, 1758 as type species of Anser Brisson, 1760

Cases 3600-3699

Case 3601: Spracklandus Hoser, 2009 (Reptilia, Serpentes, Elapidae): request for confirmation of the availability of the generic name and for the nomenclatural validation of the journal in which it was published
Case 3602: Coenosia Meigen, 1826 and Coenosiinae Verrall, 1888 (Insecta, Diptera, Muscidae): proposed conservation of usage of the genus-group and family-group names
Case 3603: Icthyophaga Lesson, 1843 (Aves, Falconiformes, Accipitridae), and Ichthyophaga Syromjatnikova, 1949 (Platyhelminthes, Turbellaria, Urastomidae): proposed conservation of both generic names
Case 3611: Case 3611 – Basilosaurus kochii Reichenbach, 1847 (currently Zygorhiza kochii; Mammalia, Cetacea): proposed replacement of the holotype by a neotype
Case 3613: Nyctimystes cheesmani Tyler 1964 (Amphibia, Anura, Hylidae): request for setting aside the name in favour of Nyctimystes cheesmanae Tyler 1964
Case 3618: Case 3618 – Kalophrynus Tschudi, 1838 (Amphibia Anura, Microhylidae): proposed conservation by designation of a neotype for its type species Kalophrynus pleurostigma Tschudi, 1838
Case 3633: Case 3633 – Dysactis pallida Agassiz in Verrill, 1864 (currently Aiptasia pallida; Cnidaria, Anthozoa, Hexacorallia, Actiniaria): proposed 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)
Case 3651: Proposed correcting inappropriate or misleading scientific names with the ‘lapsus contrarius’.
Case 3652: The Toxotaxon: a new Article proposed for the Code.
Case 3654: Plumulites ruskini Lamont, 1978 (Machaeridia): proposed unavailability of the species
name
Case 3657: Stenoderini Selander, 1991 (Insecta, Coleoptera): proposed emendation of spelling to Stenoderaini to remove homonymy with Stenoderini Pascoe, 1867 (Insecta, Coleoptera); and Stenoderini Pascoe, 1867: proposed precedence over Syllitini Thomson, 1864
Case 3664: Tipula contaminata Linnaeus, 1758 (currently Ptychoptera contaminata; Insecta, Diptera): proposed conservation of prevailing usage through designation of a neotype
Case 3666: DICROGLOSSIDAE Dubois, 1987 (Amphibia, Anura): proposed conservation
Case 3668: Conus antidiluvianus Bruguière, 1792 (Mollusca, Gastropoda, Conidae): proposed conservation of prevailing usage of specific name by setting aside the unidentifiable lectotype and replacing it with a neotype. 
Case 3669: Family-group names based on Ortalis Merrem, 1786 (Aves, Cracidae): proposed conservation of Ortalida-, Ortalis- or Ortalid- as the stem and suppression of family-group names based on Ortalis Fallén, 1810 (Insecta, Diptera) in the latter two instances, and acceptance of the English text of part of Article 29.3.3 of the Code as definitive in the second instance.
Case 3670: Chilicola vicugna Toro & Moldenke, 1979 (Insecta, Hymenoptera, Colletidae): proposed replacement of the holotype by a neotype
Case 3672: Anolis chlorocyanus Duméril & Bibron, 1837 and Anolis coelestinus Cope, 1862 (Reptilia, Squamata): proposed conservation of the specific names and designation of a neotype for A. chlorocyanus
Case 3673: Geophilus alpinus Meinert, 1870 (Chilopoda): proposed conservation of the specific name
Case 3674: Collohmannia Sellnick, 1922 (Arachnida, Acari, Oribatida): proposed conservation by giving it precedence over the senior subjective synonym Embolacarus Sellnick, 1919
Case 3676: Tupinambis indicus Daudin, 1802 (currently Varanus indicus; Reptilia, Squamata): proposed conservation of usage of the specific name by replacement of the neotype
Case 3677: Proposed application of Article 1.3.7 to exclude as genus-group names the modifications of species-group names that are formed by addition of the standard suffix -ana or -iana.
Case 3678: A proposal to affirm that ‘Formenkreis’ is not a genus-group taxonomic rank with potential availability
Case 3680: Geophilus bonensis Meinert, 1870 (currently Gnathoribautia bonensis; Chilopoda): proposed conservation of the specific name
Case 3681: Liancalus Loew, 1857 and Scellus Loew, 1857 (Insecta, Diptera, Dolichopodidae): proposed conservation of the names by designation of Dolichopus regius Fabricius, 1805 as type species for Anoplomerus Rondani, 1856
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: proposed suppression for nomenclatural purposes.
Case 3683: Cylindrus Fitzinger, 1833 (Mollusca, Gastropoda, Helicidae): proposed conservation
Case 3684: Elasmostethus dorsalis Jakovlev, 1876 (currently Elasmucha dorsalis; Insecta, Heteroptera): proposed precedence over Acanthosoma vicinum Uhler, 1861 (currently Elasmucha vicina)
Case 3685: Arion vulgaris Moquin-Tandon, 1855 (Gastropoda, Stylommatophora, Arionidae): proposed validation of the specific name as available
Case 3686: Bulimus rupestris Philippi, 1836 (Gastropoda, Stylommatophora, Chondrinidae): proposed conservation of the specific name
Case 3687: Phrynus mexicanus Poinar & Brown, 2004 (Arachnida, Amblypygi, Phrynidae): proposed conservation of the specific name as a junior primary homonym of Phrynus mexicanus Bilimek, 1867
Case 3688: Charinidae Gray 1849 (Reptilia, Squamata, Serpentes): proposed suppression
Case 3689: Cognettia Nielsen & Christensen, 1959 (Annelida, Oligochaeta, Enchytraeidae): proposed precedence over Euenchytraeus Bretscher, 1906 and Chamaedrilus Friend, 1913
Case 3690: Alabina Dall, 1902 (Gastropoda, Cerithioidea): proposed designation of the type species
Case 3691: Cookeolus Fowler, 1928 (Osteichthyes: Priacanthidae): proposed conservation by designation of Priacanthus japonicus Cuvier, 1829 as the type species
Case 3692: Columba livia Gmelin, 1789 and Columba livia domestica Linnaeus, 1758 (Aves, Columbidae): proposed conservation of specific and subspecific names in conformance with prevailing usage
Case 3694: Pomachilius variegatus Schwarz, 1904 (Insecta, Coleoptera, Elateridae): proposed conservation of the specific name by suppression of the name Aeolus variegatus Curtis, 1839
Case 3695: Dimetrodon Cope, 1878 (Synapsida, Sphenacodontidae): proposed conservation by reversal of precedence with Bathygnathus Leidy, 1853
Case 3697: Odontocheila Laporte, 1834 (Coleoptera, Carabidae): proposed conservation of usage by designation of C. cajennensis Fabricius, 1787 as the type species
Case 3698: Cicindela varians Gory, 1833 (currently Cenothyla varians; Coleoptera, Carabidae): proposed conservation
Case 3699: Thorectes Mulsant, 1842 (Insecta, Coleoptera, Scarabaeoidea): proposed conservation of usage

Cases 3500-3599

Case 3501: Acarus putrescentiae Schrank, 1781 (currently Tyrophagus putrescentiae; Acariformes, Acaridae): proposed conservation of usage by designation of a replacement neotype
Case 3506: Allosaurus Marsh, 1877 (Dinosauria, Theropoda): proposed conservation of usage by designation of a neotype for its type species Allosaurus fragilis Marsh, 1877
Case 3511: Prionocerus bicolor Redtenbacher, 1868 (Insecta, Coleoptera, Cleroidea, Prionoceridae): proposed precedence over P. pertii Laporte de Castelnau, 1836
Case 3516: Scapsipedus micado Saussure, 1877 (currently Velarifictorus micado; Orthoptera, Gryllidae): proposed conservation of usage of the specific name by the designation of a neotype
Case 3536: Stegosaurus Marsh, 1877 (Dinosauria, Ornithischia): proposed replacement of the type species with Stegosaurus stenops Marsh, 1887
Case 3555: Chilodontidae Macalister, 1876 (Ciliophora), Chilodontinae Eigenmann, 1910 (Pisces, Characiformes), and Chilodontinae Wenz, 1938 (Mollusca, Gastropoda): proposed resolution of homonymy
between family-group names
Case 3559: Meliboeus violaceus Kiesenwetter, 1857 (Insecta, Coleoptera): proposed precedence
Case 3560: Plateosaurus engelhardti Meyer, 1837 (Dinosauria, Sauropodomorpha): proposed replacement of unidentifiable name-bearing type by a neotype.
Case 3564: Grallaria fenwickorum Barrera & Bartels, 2010 (Aves, Grallariidae): proposed confirmation of unavailability.
Case 3582: Scaris Le Peletier & Audinet-Serville, 1828 and Scarides (Scaridae) Amyot & Audinet-Serville, 1843 (Insecta, Hemiptera): proposed suppression to remove homonymy of the latter with Scaridi (currently Scaridae) Rafinesque, 1810 (Osteichthyes)
Case 3587: Podocnemis unifilis Troschel, 1848 (Reptilia,Testudines): proposed precedence over Emys cayennensis Schweigger, 1812

Cases 3400-3499

Cases 3300-3399

Cases 3200-3299

Cases 3000-3099

Cases 2800-2899

Cases 2500-2599

Cases 200-299

Cases 2100-2199

Cases 2000-2099

Cases 1900-1999