International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS
International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS
taxa names:
Pl
Placenta Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 103 (included in a work rejected for nomenclatural purposes). Opinion 592
placenta Linnaeus 1758 [originally in Echinus], Systema Naturae, Ed. 10, vol. 1, p. 666 (specific name of the type species of Arachnoides Leske 1778) (Echinoidea). Opinion 277
placida Gould 1844 [originally in Geopelia], Proceedings of the Zoological Society of London, 12: 55, ruled under the plenary power to be given precedence over the name tranquilla Gould 1844, as published in the binomen Geopelia tranquilla, whenever the two areconsidered to be synonyms (Aves). Opinion 2240
Placostylus Beck 1837, Index Molluscorum praesentis aevi Musei Principis Augustissimi Christiani Frederici, p. 57 (gender: masculine) (type species, by designation under the plenary power: Limax fibratus Martyn 1784) (Gastropoda). Opinion 1662
plagiatus Mannerheim 1843 [originally in Quedius], Bulletin de la Société Impériale des Naturalistes de Moscou, 16(2): 231, a nomen protectum, ruled under the plenary power to be given precedence over Staphylinus glaber Müller 1776 and S. flavopterus Geoffroy 1785 whenever they are considered to be synonyms (Insecta, Coleoptera). Opinion 2086
plagiatus Fabricius 1798 [originally in Staphylinus], Supplementum entomologiae systematicae, p. 180 (specific name of the type species of Geodromicus Redtenbacher 1857) (Insecta, Coleoptera). Opinion 2077
Plagiostomos Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 128 (included in a work rejected for nomenclatural purposes). Opinion 592
Plagusia Jarocki 1822, Zoologiia, 4: 295 (a junior homonym of Plagusia Latreille 1804). Opinion 712
Plagusia Latreille 1804, Nouv. Dict. Hist. nat., 24: 125 (gender: feminine) (type species, by monotypy: Cancer depressus Fabricius 1775, Syst. Entomol.: 406) (Crustacea, Decapoda). Opinion 712
PLAGUSIINAE (correction of PLAGUSINAE) Dana 1851, Proc. Acad. nat. Sci. Philadelphia, 5: 247, 252 (type genus: Plagusia Latreille 1804) (Crustacea, Decapoda). Opinion 712
PLAGUSINAE Dana 1851, Proc. Acad. nat. Sci. Philadelphia, 5: 247, 252 (type genus: Plagusia Latreille 1804) (an incorrect original spelling for PLAGUSIINAE Dana 1851). Opinion 712
plargyrus Rafinesque 1820 [Rutilus], type species by absolute tautonymy of Plargyrus Rafinesque 1820 (Opinion 33)
plana Sulzer 1776 [originally in Nepa], Abgekürzte Geschichte der Insecten nach dem Linnaeischen System, part 1, p. 92 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Insecta, Heteroptera). Opinion 1850
planarmatus Quenstedt 1856 [originally in Ammonites], Der Jura, p. 153 (specific name of the type species of Parahyperderoceras Schlatter 1980) (Ammonoidea). Opinion 2123
Planatella Clessin 1876, Deutsch. Excursions Mollusken-Fauna: 143 (a junior objective synonym of Helicella Férussac 1821). Opinion 431
Plancunigenus [sic] [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VII (included in a work rejected for nomenclatural purposes). Opinion 427
Planes Bowditch 1825, Excursions Madeira Porto Santo: xi, 15 (nota n), pl. [14], figs. 2a, 2b (gender: masculine) (type species, by monotypy: Planes clypeatus Bowditch 1825, Excursions Madeira Porto Santo: 15 (nota n), pl. [14], figs. 2a, 2b, valid name: Cancer minutus Linnaeus 1758) (Crustacea, Decapoda). Opinion 85, Direction 37
Planes Rondani 1864, Arch. Zool. anat. Fisiol., 3 (fasc. 1): 9 (a junior homonym of Planes Bowditch 1825). Direction 37
Planes Saussure 1862, Rev. Mag. Zool., (2)14: 228 (a junior homonym of Planes Bowditch 1825). Direction 37
planiceps Valenciennes in Cuvier & Valenciennes 1840 [originally in Bagrus], Histoire naturelle des poissons, vol. 14, p. 421, as defined by the lectotype (specimen no. RMNH 2939 in the Nationaal Natuurhistorisch Museum, Leiden) designated by Ng, Goh, Ng & Dodson,1999, Bulletin of Zoological Nomenclature, 56: 38, ruled that this fixation of type specimen is not set aside (Osteichthyes). Opinion 2011
planiceps Fabricius 1805 [originally in Damalis], Syst. Antl.: 148 (specific name of the type species of Damalis Fabricius 1805) (Insecta, Diptera). Opinion 1342
planiceps Scott & Osborn 1887 [originally in Hyracodon], Bull. Mus. comp. Zool., 13: 170, 171 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 659
planifrons White 1842 [originally in Paranephrops], Gray’s Zool. Miscell. (5): 79 (specific name of the type species of Paranephrops White 1842) (Crustacea, Decapoda). Opinion 519
planissimus Herbst [1804] [originally in Cancer], Versuch Naturgesch. Krabben Krebse, 3(4): 3 (specific name of the type species of Percnon Gistl 1848) (Crustacea, Decapoda). Direction 36
Planites de Haan 1825, Specimen philosoph. exhib. Monogr. Ammonit. Goniatit.: 34 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 504
planitia Gmelin 1789 [originally in Testudo], in Linnaeus, Systema Naturae, Ed. 13, vol. 1, part 3, p. 1045 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 660
Planoplatyscelis Kaszab 1940, Mitteilungen der Münchner Entomologischen Gesellschaft, 30(1): 206 (gender: feminine) (type species, by designation under the plenary power: Platyscelis margelanica Kraatz 1882) (Insecta, Coleoptera). Opinion 1728
Planorbigenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VIII (included in a work rejected for nomenclatural purposes). Opinion 427
Planorbina Haldeman 1842, Mon. Freshw. Univalve Moll. U.S.: 14 (gender: feminine) (type species, by designation by Dall 1905 (Harriman Alaska Exped., 13: 84): Planorbis olivaceus Spix 1827, Test. fluviat. Brasil.: 26) ruled under the plenary power not to be given priority over Biomphalaria Preston 1910 whenever the two names are considered synonyms (Gastropoda). Opinion 735
PLANORBINAE Gray 1840, in Turton, Manual land & freshwater Shells brit. Islands (ed. 2): 256 (type genus: Planorbis Müller 1774) (Gastropoda). Direction 27
Planorbis Müller 1774, Verm. terrestr. fluviat. Hist., 2: 152 (gender: masculine) (type species, by absolute tautonymy: Helix planorbis Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 769) (Gastropoda). Opinion 335
planorbis Sowerby 1824 [originally in Ammonites], Min. Conch., 5: 69, pl. 448, fig. 1 (specific name of the type species of Psiloceras Hyatt 1867) (Cephalopoda). Opinion 324
planorbis Linnaeus 1758 [originally in Helix], Systema Naturae, Ed. 10, vol. 1, p. 769 (specific name of the type species of Planorbis Müller 1774) (Gastropoda). Opinion 335
Planospirigenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VIII (included in a work rejected for nomenclatural purposes). Opinion 427
Planularia Defrance 1826, Dictionnaire des Sciences Naturelles, vol. 41, p. 244 (gender: feminine) (type species, by monotypy: Peneroplis auris Defrance 1824) (Foraminiferida). Opinion 1571
Planularia Nilsson 1826, Kungliga Svenska Vetenskapsakademiens Handlingar, 1825(2): 342 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Foraminiferida). Opinion 1571
planulatus Lamarck 1816 [originally in Spatangus], Hist. nat. Anim. sans Vertèbr., 3: 31 (specific name of the type species of Maretia Gray 1855) (Echinoidea). Opinion 608
Planulites Lamarck 1801, Syst. Anim. sans Vertèbr.: 101 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 304
planumbona Hall 1847 [originally in Leptaena], Natural History of New York, p. 112 (specific name of the type species of Strophomena de Blainville 1824) (Brachiopoda). Opinion 1671
planus Miller 1821 [originally in Cyathocrinites], Nat. Hist. Crinoidea: 85 (specific name of the type species of Cyathocrinites Miller 1821) (Crinoidea). Opinion 917
planus Fabricius 1781 [originally in Dytiscus], Species Insectorum, vol. 2, p. 501 (Insecta, Coleoptera). Opinion 1556
planus Schmidt 1932 [originally in Orthocrinus], Palaeontographica, 76: 29 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 727
planus Paykull 1792 [originally in Staphylinus], Monographia Curculionum Sveciae, p. 145, ruled under the plenary power to be given precedence over Staphylinus flavipes Linnaeus 1758 whenever they are considered to be synonyms (Insecta, Coleoptera). Opinion 2086
planus Milne Edwards 1834 [originally in Xantho], in Roret’s Suites à Buffon, Hist. nat. Crust., 1: 397 (specific name of the type species of Homalaspis Milne Edwards 1863) (Crustacea, Decapoda). Direction 50
Plargyrus Rafinesque 1820 (gender: masculine), type species Rutilus plargyrus Rafinesque 1820 by absolute tautonymy, as confirmed by Opinion 33
plargyrus Rafinesque 1820 [Rutilus] (specific name of the type species by absolute tautonymy of Plargyrus Rafinesque 1820) (Opinion 33)
Plasmodium Marchiafava & Celli 1885, Fortschr. Med., 3(24): 791 (gender: neuter) (type species, by designation under the plenary power: Haemamoeba malariae Feletti & Grassi December 1889, Sui Parasiti della Malaria (a paper also published in January 1890, Riforma medica, 6(11): 64)) (Sporozoa). Opinion 104, Opinion 283
plasticus Paulcke 1906 [originally in Hoplites], Ber. naturf. Ges. Freiburg, 15: 186 (p. 20 of separate), as interpreted by the lectotype designated by Wright 1957 (Bull. zool. Nomencl., 13: 223) (specific name of the type species of Hoplitoplacenticeras Paulcke 1906) (Cephalopoda). Opinion 554
Platalea Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 139 (gender: feminine) (type species, by subsequent designation by Gray 1840, A list of the genera of birds, with an indication of the typical species of each genus, p. 67: Platalea leucorodia Linnaeu 1758) (Aves, Ciconiiformes). Opinion 67, Opinion 1674
PLATALEIDAE Bonaparte 1838, A geographical and comparative list of the birds of Europe and North America, p. 48 (type genus: Platalea Linnaeus 1758), ruled under the plenary power that this name and other family-group names based on Platalea are not to be given priority over THRESKIORNITHIDAE Poche 1904 and other family-group names based on Threskiornis Gray 1842 whenever their type genera are placed in the same family-group taxon (Aves, Ciconiiformes). Opinion 1674
Platanista Wagler 1830, Natürliches System der Amphibien, mit vorangehender Classification der Säugthiere und Vögel, p. 35 (gender: feminine) (type species, by monotypy: Delphinus gangeticus Roxburgh 1801) (Mammalia, Cetacea). Opinion 1565
platei Steindachner 1898 [originally in Galaxias], Zool. Jahrb., Suppl., 4: 329, ruled under the plenary power to be given precedence over the specific name delfini Philippi 1895, as published in the binomen Galaxias delfini, whenever the two names are considered synonyms (Osteichthyes). Opinion 1153
platensis Krøyer 1844 [originally in Orchestia], Naturhist. Tidsskr., (2)1(3): 304 (Crustacea, Amphipoda). Opinion 1133
Plateocolymbus Gistel 1857, Vacuna oder die Geheimnisse aus der organischen und leblosen Welt, vol. 2, p. 606 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Insecta, Coleoptera). Opinion 1796
Plateosaurus Meyer 1837 (Dinosauria). ICZN 2019: Opinion 2435
Platessa Cuvier 1817 Règne Anim. (ed. 1), 2: 220 (a junior objective synonym of Pleuronectes Linnaeus 1758). Direction 33
platessa Linnaeus 1758 [originally in Pleuronectes], Systema Naturae, Ed. 10, vol. 1, p. 269 (specific name of the type species of Pleuronectes Linnaeus 1758) (Osteichthyes). Direction 33
Platybunus Koch 1839, Uebers. Arachnidensyst., 2: 26 (gender: masculine) (type species, by designation under the plenary power: Opilio bucephalus Koch 1835, in Panzer, Ins. Germ., heft. 128: tab. 21) (Arachnida). Opinion 976
Platycatapiesis Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 578 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
platycephalus Camp 1916 [originally in Spelerpes], University of California Publications in Zoology, 17(3): 11 (specific name of the type species of Hydromantes Gistel 1848) (Amphibia, Caudata). Opinion 1866
Platycercus Vigors 1825, Zool. J., 1(4): 527 (gender: masculine) (type species, by original designation: Psittacus pennantii Latham 1790, Index ornithol.: 90, valid name: Psittacus elegans Gmelin 1788) (Aves). Opinion 67
Platycerus Geoffroy 1762, Histoire abrégée des insectes qui se trouvent aux environs de Paris, vol. 1, p. 59 (gender: masculine) (type species, by subsequent designation by Latreille 1810, Considerations générales sur ... les classes des crustacés, des arachnides et des insectes, p. 429: Scarabaeus caraboides Linnaeus 1758) (Insecta, Coleoptera). Opinion 1754
platycheles Pennant 1777 [originally in Cancer], Brit. zool. (ed. 4), 4: 6 (specific name of the type species of Porcellana Lamarck 1801) (Crustacea, Decapoda). Opinion 701
Platychirograpsus de Man 1896, Zool. Anz., 19: 292 (gender: masculine) (type species, through Article 68b(i): Platychirograpsus spectabilis de Man 1896, Zool. Anz., 19: 292) (Crustacea, Decapoda). Opinion 85, Direction 37
PLATYCHOEROPIDAE Lydekker 1887, Cat. Foss. Mamm. Brit. Mus. (nat. Hist.), 5: 3 (type genus: Platychoerops Charlesworth 1855) ruled under the plenary power not to be given priority over PLESIADAPIDAE Trouessart 1897 by those who regard both as denoting the same taxon (Mammalia). Opinion 1123
Platychoerops Charlesworth 1855, Rep. brit. Assoc. Adv. Sci., 24 (Liverpool, 1854), Not. Abstr.: 80 (gender: masculine) (type species, by monotypy: Platychoerops richardsonii Charlesworth 1855, Rep. brit. Assoc. Adv. Sci., 24 (Liverpool 1854): 80) (Mammalia). Opinion 1123
Platychoerops Klunzinger 1879, Anz. Akad. Wiss. Wien, 16: 255 (a junior homonym of Platychoerops Charlesworth 1855). Opinion 1123
PLATYCNEMINI Nordmann 1837, Symbolae ad monographiam staphylinorum, p. 6 (type genus: Platycnemus Nordmann 1837), ruled under the plenary power that this name and other family-group names based on Platycnemus are not to be given priority over junior family-group names in general current usage when Platycnemus and the relevant type genera are placed in the same family-group taxon (Insecta, Coleoptera). Opinion 1851
Platycnemus Nordmann 1837, Symbolae ad monographiam staphylinorum, p. 135 (gender: masculine) (type species, by monotypy: Platycnemus lateritius Nordmann 1837) (Insecta, Coleoptera). Opinion 1851
platydactylus Milne Edwards 1837 [originally in Gelasimus], Hist. nat. Crust., 2: 51 (a junior objective synonym of Cancer vocans major Herbst 1782). Opinion 1262
Platydoras Bleeker 1862, Atlas ichthyologique des Indes Orientales Néêrlandaises, publié sous les auspices du Gouvernement colonial néêrlandais. Tome II. Siluroïdes, Chacoïdes et Hétérobranchoïdes, p. 5 (gender: masculine), type species Silurus costatus Linnaeus 1758 by original designation (Osteichthyes) Opinion 2209
Platyeschatia Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 560 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
Platygaster Zetterstedt 1838, Insecta Lapponica descripta, Section 3, Diptera, p. 574 (a junior homonym of Platygaster Latreille 1809) (Insecta, Diptera). Opinion 1545
Platyjulus Brandt 1840, Bull. Sci. Acad. imp. Sci. St. Pétersbourg, 7(20-22): 327, footnote (an unjustified emendation of Platyulus Gervais 1836). Opinion 1065
Platymantis Günther 1858, Cat. Batrach. Sal. Brit. Mus.: 90, 93 (gender: masculine) (type species, by designation by Zweifel 1967 (Copeia (1967): 120): Platymantis pliciferus Günther 1858, Cat. Batrach. Sal. Brit. Mus.: 95, valid name: Hylodes corrugatus Duméril 1853) ruled under the plenary power to be given precedence over Cornufer Tschudi 1838 by those who consider the type species of those nominal genera to belong to the same taxonomic genus (Amphibia). Opinion 1104
Platymera Milne Edwards 1837, in Roret’s Suites à Buffon, Hist. nat. Crust., 2: 107 (gender: feminine) (type species, by monotypy: Platymera gaudichaudii Milne Edwards 1837, in Roret’s Suites à Buffon, Hist. nat. Crust., 2: 108) (Crustacea, Decapoda). Opinion 73
Platynectes Régimbart 1879, Annales de la Société Entomologique de France, (5)8: 462 (gender: masculine) (type species, by subsequent designation by Guignot 1946, Revue Française d’Entomologie, 13: 117: Agabus decemnotatus Aubé 1838) (Insecta, Coleoptera). Opinion 1796
Platyonichus Latreille 1818, Nouv. Dict. Hist. nat. (ed. 2), 27: 4 (a junior objective synonym of Portumnus [Leach 1814]). Direction 84
Platyonychus Voigt 1836, in Cuvier, Das Thierreich, 4: 104 (an incorrect subsequent spelling for Platyonichus Latreille 1818). Direction 84
Platypilumnus Alcock 1894, Ann. Mag. nat. Hist., (6)13: 401 (gender: masculine) (type species, through Article 68b(i): Platypilumnus gracilipes Alcock 1894, Ann. Mag. nat. Hist., (6)13: 401) (Crustacea, Decapoda). Opinion 85, Direction 37
Platypleura Amyot & Audinet-Serville 1843 (Hemiptera). ICZN 2020: Opinion 2466
Platypleurini Schmidt 1918 (Hemiptera). ICZN 2020: Opinion 2466; ICZN 2021: Correction 135
Platypria Guérin-Méneville 1840, Rev. zool., Paris, 1840: 139 (gender: feminine) (type species, by designation by Maulik 1919 (Fauna Brit. Ind., Coleopt. Chrys. (Hisp. Cassid.): 256): Hispa echidna Guérin-Méneville 1840, Rev. zool., Paris, 1840: 139) (Insecta, Coleoptera). Opinion 376
PLATYPTERICIDAE [sic] Stephens 1829 Nomencl. Brit. Ins.: 45 (type genus: Platypteryx Laspeyres 1803) (a junior objective synonym of DREPANIDAE Boisduval [1828]). Opinion 610
platypterus Shaw & Nodder 1792 [originally in Xiphias], Naturalist’s Miscellany, 28: pl. 88 (specific name of the type species of Istiophorus Lacepède 1802) (Osteichthyes). Opinion 903
Platypteryx Laspeyres 1803, N. Schrift. Berlin Ges. nat. Freunde, 4: 29 (a junior objective synonym of Drepana Schrank 1802). Opinion 610
Platyrhacus Koch 1847, System der Myriapoden, in Panzer & Herrich-Schaeffer, Krit. Revis. Insectenfauna Deutschlands, III Bändchen: 131 (gender: masculine) (type species, by designation under the plenary power: Platyrhacus fuscus Koch 1847, System der Myriapoden, in Panzer & Herrich-Schaeffer, Krit. Revis. Insectenfauna Deutschlands, III Bändchen: 132) (Diplopoda). Opinion 1128
Platyrhina Müller & Henle 1838, Arch. Naturgesch., 4(1): 85 (gender: feminine) (type species, by original designation: Rhina sinensis Schneider 1801, in Bloch, Syst. Ichthyol.: 352) (Chondrichthyes). Opinion 345
platyrhinos Latreille 1801 [originally in Heterodon], in Castel’s Buffon, Hist. nat. Rept., 4: 32 (Reptilia). Opinion 390
platyrhyncha Lönnberg 1906 [originally in Anas], J. Ornith., 54: 529 (an unjustified emendation of platyrhynchos Linnaeus 1758 [originally in Anas]). Direction 81
platyrhynchos Linnaeus 1758 [originally in Anas], Systema Naturae, Ed. 10, vol. 1, p. 125 (a name having precedence over Anas boschas Linnaeus 1758, through the action of Lönnberg 1906 (J. Ornith., 54: 529) as first reviser and hence the valid name at that date of the type species of Anas Linnaeus 1758) (Aves). Direction 81
Platyrrhynchus Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 130 (included in a work rejected for nomenclatural purposes). Opinion 592
Platyscelis Latreille 1818, in: Nouveau Dictionnaire d’Histoire naturelle, Ed. 2, vol. 27, p. 23 (gender: feminine) (type species, by designation under the plenary power: Tenebrio hypolithus Pallas 1781) (Insecta, Coleoptera). Opinion 1729
Platystoma Meigen 1803, Illiger’s Mag. Insektenk., 2: 277 (gender: neuter) (type species, by monotypy: Musca seminationis Fabricius 1775, Syst. Entomol.: 786) (Insecta, Diptera). Opinion 1142
PLATYSTOMATIDAE Schiner 1862 (as PLATYSTOMINAE), Wien. entomol. Monatschr., 6: 151 (type genus: Platystoma Meigen 1803) ruled under the plenary power to be given precedence over ACHIIDAE Fleming 1821 whenever Platystoma Meigen 1803 and Achias Fabricius 1805 are placed in the same family-group taxon (Insecta, Diptera). Opinion 1142
Platystrophia King 1850, A monograph of the Permian Fossils of England, p. 106 (gender: feminine), ruled under the plenary power that all previous fixations of type species are set aside and Porambonites costata Pander 1830 is designated as the type species (Brachiopoda). Opinion 2154
Platyulus Gervais 1836, L’Institut, (1)4(190): 435 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1065
Platyxanthus Milne Edwards 1863, Ann. Sci. nat., Paris (Zool.), (4)20: 280 (gender: masculine) (type species, by monotypy: Xantho orbignyi Milne Edwards & Lucas [1844], in d’Orbigny, Voy. Amérique mérid., 6 (Crust.): 14, pl. 7) (Crustacea, Decapoda). Opinion 85, Direction 36, Direction 37
Plautus Brünnich 1772, Zool. Fund.: 78 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 999
Plautus Gunnerus 1761, Trondheimske Selskabs Skrifter, 1: 263 (included in a non-binominal work). Opinion 999
Plautus Klein 1760, Historie der Vögel: 154 (included in a non-binominal work). Opinion 999
plebeja Scopoli 1763 [originally in Cicada] (Hemiptera). ICZN 2021: Opinion 2475
plebeja Giebel 1856 [originally in Maresa], Fauna der Vorwelt [vol. 2]: Die Insekten und Spinnen der Vorwelt mit Steter Berücksichtigung der Lebenden Insekten und Spinnen. xviii, F.U. Brockhaus, Leipzig, p. 298, specific name of the type species of Maresa Giebel 1856 (Insecta, Isoptera). Opinion 2225
plebeja Linnaeus 1758 [originally in Musca], Systema Naturae, Ed. 10, vol. 1, p. 589 (specific name of the type species of Thereva Latreille 1797) (Insecta, Diptera). Opinion 2142
Plebejus Kluk 1802, Zwierz. Hist. nat. pocz. gospod., 4: 89 (gender: masculine) (type species, by designation by Hemming 1933 (Entomologist, 66: 224): Papilio argus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 483, as interpreted by reference to the male genitalia figured by Chapman 1909 (in Tutt, Nat. Hist. brit. Butts., 3: pl. xx, fig. 1)) (Insecta, Lepidoptera). Opinion 278
plebejus Hutton 1873 [originally in Trophon], Cat. marine Moll. N.Z.: 9 (specific name of the type species of Xymene Iredale 1915) (Gastropoda). Opinion 911
Plectorites Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 159 (included in a work rejected for nomenclatural purposes). Opinion 592
Plectronita Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 130 (included in a work rejected for nomenclatural purposes). Opinion 592
Plectronites Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 130 (included in a work rejected for nomenclatural purposes). Opinion 592
Pleias Kirkaldy 1901 priority upon Bagauda Bergroth 1903 (Insecta, Heteroptera). ICZN 2010: Opinion 2259 (Case 3435)
Pleonclasoncolobos Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 579 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
pleschanka Lepechin 1770 [originally in Motacilla], Novi Comment. Acad. Sci. imp. Petrop., 14(1): 503, conserved under the plenary power and ruled to have precedence over the specific name leucomela Pallas 1770, as published in the binomen Motacilla leucomela, whenever the two names are considered synonyms (Aves). Opinion 904
PLESIADAPIDAE Trouessart 1897, Cat. Mamm., 1: 75 (type genus: Plesiadapis Gervais 1877) ruled under the plenary power to be given precedence over PLATYCHOEROPIDAE Lydekker 1887 by those who regard both as denoting the same taxon (Mammalia). Opinion 1123
Plesiadapis Gervais 1877, J. Zool. Paris, 6: 76 (gender: masculine) (type species, by monotypy: Plesiadapis tricuspidens Gervais 1877, J. Zool. Paris, 6: 76) (Mammalia). Opinion 1123
Plesionika Bate 1888, Rep. Voy. ‘Challenger’ (Zool.), 24: 626, 640 (gender: feminine) (type species, by designation by Alcock 1901 (Descr. Cat. Indian Deep-Sea Crust. Decap. Macr. Anom.: 93): Plesionika uniproducta Bate 1888, Rep. Voy. ‘Challenger’ (Zool.), 24: 641, valid name: Acanthephyra ensis Milne Edwards 1881) (Crustacea, Decapoda). Opinion 470
Plesiopenaeus Bate 1881, Ann. Mag. nat. Hist., (5)8: 188 (gender: masculine) (type species, by designation by Faxon 1895 (Mem. Mus. comp. Zool., 18: 196): Aristeus armatus Bate 1881, Ann. Mag. nat. Hist., (5)8: 188) (Crustacea, Decapoda). Opinion 864
Plesiopeneus Faxon 1895, Mem. Mus. comp. Zool., 18: 196, 199 (an incorrect subsequent spelling for Plesiopenaeus Bate 1881). Opinion 864
PLETHODIDAE Loomis 1900, Palaeontographica, 46: 229 (type genus: Plethodus Dixon 1850) (Osteichthyes). Opinion 921
Plethodon Tschudi 1838, Classification der Batrachier (Mém. Soc. Sci. nat. Neuchâtel, 2(1840)): 92 (gender: masculine) (type species, by designation by Bibron 1839 (in Bonaparte, Icon. Fauna Ital., 2(26) sign.: 131**): Salamandra glutinosa Green 1818, J. Acad. nat. Sci. Philadelphia, 1(2): 357) (Amphibia). Opinion 921
PLETHODONTIDAE Gray 1850, Cat. Amphibia Brit. Mus., II, Batrachia gradientia: 31 (type genus: Plethodon Tschudi 1838) (Amphibia). Opinion 921
PLETHODONTIDAE Hay 1929, 2nd. Bibliography & Cat. Foss. Verts. N. Amer., 1: 736 (type genus: Plethodus Dixon 1850) (an incorrect subsequent spelling for PLETHODIDAE Loomis 1900). Opinion 921
Plethodus Dixon 1850, Geol. Foss. Tertiary & Cretaceous Sussex: 394 (gender: masculine) (type species, by designation by Woodward 1899 (Ann. Mag. nat. Hist., (7)3: 354): Plethodus expansus Dixon 1850, Geol. Foss. Tertiary & Cretaceous Sussex: 394) (Osteichthyes). Opinion 921
PLEURACANTHITIDAE Hyatt 1900, in Zittel’s Textb. Palaeont. (ed. C.R. Eastman): 568 (type genus: Pleuroacanthites Canavari 1883) (an incorrect original spelling for PLEUROACANTHITIDAE Hyatt 1900). Opinion 575
Pleuractis Verrill 1864, Bulletin of the Museum of Comparative Zoology, 1: 52 (gender: feminine) (type species, by designation under the plenary power: Fungia paumotensis Stutchbury 1833) (Anthozoa). Opinion 1649
Pleuroacanthites Canavari 1883, Atti Soc. toscana, Proc. verb., 3: 279 (gender: masculine) (type species, by designation under the plenary power: Ammonites biformis Sowerby 1831, in de la Beche, Geol. Man.: 319) (Cephalopoda). Opinion 575, Opinion 1020
PLEUROACANTHITIDAE (correction of PLEURACANTHITIDAE) Hyatt 1900, in Zittel’s Textb. Palaeont. (ed. C.R. Eastman): 568 (type genus: Pleuroacanthites Canavari 1883) (Cephalopoda). Opinion 575
Pleurocera Rafinesque 1818, Amer. mon. Mag. crit. Review, 3: 355 (gender: feminine) (type species, by designation under the plenary power: Pleurocerus acutus Rafinesque 1824, in Blainville, Dict. Sci. nat., 32: 236) (Gastropoda). Opinion 1195
Pleuroceras Hyatt 1867, Bull. Mus. comp. Zool., 3: 89 (gender: neuter) (type species, by designation by Fischer 1882 (Manuel Conchyl.: 388): Ammonites spinatus Bruguière [1789], Ency. méth., Vers, 1(1): 40) (Cephalopoda). Opinion 324
Pleurocystus Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 104 (included in a work rejected for nomenclatural purposes). Opinion 592
Pleurodonta Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 581 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
Pleurograpsus Nicholson 1867, Geol. Mag., 4: 257 (ruled under the plenary power to be an incorrect original spelling for Pleurograptus Nicholson 1867). Opinion 650
Pleurograptus (emendation of Pleurograpsus) Nicholson 1867, Geol. Mag., 4: 257 (conserved under the plenary power) (gender: masculine) (type species, by monotypy: Cladograpsus linearis Carruthers 1858, Proc. roy. phys. Soc. Edinburgh, 1: 467) (Graptolithina). Opinion 650
Pleuronectes Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 268 (gender: masculine) (type species, by designation by Bleeker 1862 (Versl. Akad. Amsterdam, 13: 427): Pleuronectes platessa Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 269) (Osteichthyes). Direction 33
PLEURONECTIA Rafinesque 1815, Analyse Nature: 83 (type genus: Pleuronectes Linnaeus 1758) (an incorrect original spelling for PLEURONECTIDAE Rafinesque 1815). Direction 33
PLEURONECTIDAE (correction by Bonaparte [1832] (Saggio Distrib. met. Anim. Vert.: 96, 117) of PLEURONECTIA) Rafinesque 1815, Analyse Nature: 83 (type genus: Pleuronectes Linnaeus 1758) (Osteichthyes). Direction 33
PLEURONECTIDES Risso 1826, Hist. nat. princip. Prod. Europ. mérid., 3: 245 (type genus: Pleuronectes Linnaeus 1758) (an incorrect subsequent spelling for PLEURONECTIDAE (correction of PLEURONECTIA) Rafinesque 1815). Direction 33
pleurostigma Tschudi 1838 [originally in Kalophrynus] (Amphibia: Anura: Microhylidae): designation of a neotype not approved. ICZN 2017: Opinion 2403 (Case 3618)
Pleurotemaria Carpenter 1861, Ann. Rep. Regents Smithson. Inst., 1860: 218 (an incorrect subsequent spelling for Pleurotomaria Defrance 1826). Opinion 582
Pleurotomaria Defrance 1826, Dict. Sci. nat., 41: 381 (conserved under the plenary power) (gender: feminine) (type species, by designation by Woodward 1851 (Manual Moll.: 147): Trochus anglicus Sowerby 1818, Min. Conch., 2: corrigenda, as interpreted by the neotype designated by Cox 1955 (Bull. zool. Nomencl., 11: 27)) (Gastropoda). Opinion 582
Pleurotomaria Férussac 1822, Tabl. syst. Anim. Moll. terrestr. fluviat.: xxxiv (a nomen nudum). Opinion 582
Pleurotomaria Sowerby 1821, Min. Conch., 3: 139 (a name published without sufficient definition or indication under the Code). Opinion 582
PLEUROTOMARIAE Swainson 1840, Treatise Malac.: 353 (type genus: Pleurotomaria Defrance 1826) (an incorrect original spelling for PLEUROTOMARIIDAE Swainson 1840). Opinion 582
PLEUROTOMARIIDAE (correction by King 1850, of PLEUROTOMARIAE) Swainson 1840, Treatise Malac.: 353 (type genus: Pleurotomaria Defrance 1826) (Gastropoda). Opinion 582
Pleurotomarium Blainville 1825, Man. Malac.: 429 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 582
Pleurotomigenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VIII (included in a work rejected for nomenclatural purposes). Opinion 427
Pleurotomoides Bronn 1831, Ergeb. nat. Reisen, 2: 555 (gender: masculine) (type species, by designation by Dall 1908 (Bull. Mus. comp. Zool., 43: 260) through Defrancia Millet 1826: Defrancia pagoda Millet 1826, Mém. linn. Soc. Paris, 5: 439, pl. 9, figs. 1a, b) (Gastropoda). Opinion 666
plexippus Linnaeus 1758 [originally in Papilio], Systema Naturae, Ed. 10, vol. 1, p. 471, as interpreted by the neotype designated under the plenary power, namely the male specimen figured by Clark 1941 (Proc. U.S. nat. Mus., 90: pl. 71, fig. 1) and refigured in Opinion 282, pl. 2 (type locality: ‘Pennsylvania’) (specific name of the type species of Danaus Kluk 1802) (Insecta, Lepidoptera). Opinion 282
plicata Bigelow 1911 [originally in Rosacea], Transactions of the Linnean Society of London, Series 2, Zoology, 10(10): 201–203, as defined by the lectotype, designated as a neotype by Pugh & Harbison 1987, Bulletin of Marine Science, 41(1): 86, registered as BMNH Reg. No. 1939.6.10.1 in the Natural History Museum, London (Cnidaria). Opinion 2157
plicata Quoy & Gaimard 1827 [originally in Rosacea], Annales des Sciences Naturelles (Series 1), 10: 177, ruled under the plenary power that all uses of the name before that by Bigelow 1911, Transactions of the Linnean Society of London, Series 2, Zoology, 10(10): 201–203 are suppressed for the purposes of both the Principle of Priority and the Principle of Homonymy (Cnidaria). Opinion 2157
plicata Say 1817 [originally in Unio], Nicholson’s Ency. (Amer. ed. 1), art. Conchology: pl. 3, fig. 2 (valid name at the date of Opinion 840 of the type species of Amblema Rafinesque 1820) (Bivalvia). Opinion 840
Plicatuligenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VII (included in a work rejected for nomenclatural purposes). Opinion 427
plicatuloides Froggatt 1900 [originally in Cardiaspis], Proc. linn. Soc. N.S. Wales, 25: 284 (Insecta, Hemiptera). Opinion 725
PLINTHINI Lacordaire 1863, Histoire naturelle des insectes. Genera des coléoptères, ou exposé méthodique et critique de tous les genres proposés jusqu’ici dans cet orde d’insectes, Tome sixième. Roret, Paris, p. 359, ruled under the plenary power to be based on its type genus Plinthus Germar 1817 as defined by its type species Curculio megerlei Panzer 1803 (Insecta, Coleoptera). Opinion 2300
Plinthus Germar 1817, Magazin der Entomologie, 2: 340, (gender: masculine) type species ruled under the Plenary Power to be Curculio megerlei Panzer 1803 (Insecta, Coleoptera). Opinion 2300
Plotia [Röding] 1798, Mus. bolten. (2): 95 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 386
PLOTIIDAE Forcart 1951, Berichtig. Arch. Moll., 80(1/3): 86 (type genus: Plotia [Röding] 1798) (invalid (i) because published for a purpose other than use in zoological nomenclature and (ii) because the name of the type genus has been suppressed under the plenary power). Direction 54
Plotus Gunnerus 1761, Trondheimske Selskabs Skrifter, 1: 263 (included in a non-binominal work). Opinion 999
plumbagana Treitschke 1830 [originally in Grapholitha], Die Schmetterlinge von Europa, vol. 8, p. 218 (specific name of the type species of Dichrorampha Guenée 1845) (Insecta, Lepidoptera). Opinion 1999
plumbeolus Cope 1865 [originally in Alburnops], Proc. Acad. nat. Sci. Philadelphia, for 1864: 276-285, ruled under the plenary power to be interpreted by the lectotype designated by Gilbert 1964 (Bull. Florida State Mus. biol. Sci., 8: 160) (Osteichthyes). Opinion 1206
plumicornis Costa 1853 [originally in Gammarus], Rendiconto Soc. R. Borbonica, Acad. Sci. (n.s.), 1853: 176 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 992
plumigera Loew 1860 [originally in Oscinis], Öfvers. k. Vetenskaps-Akad. Förh., 17: 95 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 1264
plumosa Pallas 1766 [originally in Cellularia], Elench. Zoophytorum: 66 (Bryozoa). Opinion 956
plumosus Baily 1871 [originally in Graptolithus], in Traill & Egan, Explanatory memoir to accompanysheets 49, 50 and part of 61 of the maps of the Geological Survey of Ireland ..., p. 22, as defined by the neotype (specimen no. BELUM: K12274d in the Ulster Museum, Belfast, U.K.) designated by Loydell 1990, Palaeontology, 33: 938 (specific name of the type species of Streptograptus Yin 1937) (Graptolithina). Opinion 1714
Plumularia Lamarck 1816, Histoire naturelle des animaux sans vertèbres, vol. 2, p. 123 (gender: feminine) (type species, ruled under the plenary power to be by subsequent designation by Broch 1918, Danish Ingolf-Expedition, 5(7): 195: Sertularia setacea Linnaeus 1758) (Hydrozoa). Opinion 1886
Pluralicyathus Okulitch 1950, Journal of Paleontology, 24: 503 (gender: masculine) (type species, by subsequent designation by Simon 1939, Abhandlungen der Senckenbergischen Naturforschende Gesellschaft, 448: 34: Polycyathus heterovallum Vologdin 1928) (Archaeocyatha). Opinion 2121
Plusierythra Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 566 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
Plutonia Hicks 1871, Quarterly Journal of the Geological Society, 27(1): 399 (a junior homonym of Plutonia Morelet in Stabile 1864) (Trilobita). Opinion 1880
Plutonia Morelet in Stabile 1864, Atti della Società Italiana di Scienze Naturali, 7: 121 (gender: feminine) (type species, by monotypy: Viquesnelia atlantica Morelet 1860) (Gastropoda). Opinion 1880
PLUTONIINAE Bollman 1893, United States National Museum Bulletin, 46: 165, 168, spelling emended to PLUTONIUMINAE following the ruling under the plenary power that for the purposes of Article 29 of the Code the stem of the generic name Plutonium Cavanna 1881 is PLUTONIUM- (Chilopoda). Opinion 1880
PLUTONIINAE Cockerell 1893, The Conchologist, 2(7): 186 (type genus: Plutonia Morelet in Stabile 1864) (Gastropoda). Opinion 1880
Plutonium Cavanna 1881, Bollettino della Società Entomologica Italiana, 13: 169 (gender: neuter) (type species, by monotypy: Plutonium zwierleini Cavanna 1881) (Chilopoda). Opinion 1880
PLUTONIUMINAE Bollman 1893, United States National Museum Bulletin, 46: 165, 168 (type genus: Plutonium Cavanna 1881), spelling emended from PLUTONIINAE by the ruling under the plenary power that for the purposes of Article 29 of the Code the stem of the generic name Plutonium Cavanna 1881 is PLUTONIUM- (Chilopoda). Opinion 1880
PLYCTOLOPHINAE Vigors 1825, Zoological Journal, 2: 400 (invalid because the name of the type genus, Plyctolophus Vieillot 1816, is suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Aves, Psittaciformes). Opinion 1949
Plyctolophus Vieillot 1816, Analyse d’une nouvelle ornithologie élémentaire, p. 26 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Aves, Psittaciformes). Opinion 1949