International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS
Po
PODACANTHINAE Günther 1953, Beitr. Entomol., 3: 548, 553 (type genus: Podacanthus Gray 1833) (Insecta, Phasmida). Opinion 641
Podacanthus Brandt 1848, Bull. Acad. imp. Sci. St. Pétersbourg, 7(12/13): 180 (a junior homonym of Podacanthus Gray 1833). Direction 37
Podacanthus Gray 1833, Entomol. Aust. (1): 17 (gender: masculine) (type species, by monotypy: Podacanthus typhon Gray 1833, Entomol. Aust. (1): 17, pl. 2, fig. 1, as interpreted by the lectotype designated by Key 1960 (Bull. zool. Nomencl., 17: 235)) (Insecta, Phasmida). Opinion 641
Podalgus Burmeister 1847, Handbuch der Entomologie, Band 5 (Besondere Entomologie. Fortsetzung. Coleoptera Lamellicornia Xylophila et Pectinicornia), p. 117 (gender: masculine) (type species, ruled under the plenary power to be by subsequent designation by Arrow 1908, Transactions of the Entomological Society of London, 1908: 341: Podalgus cuniculus Burmeister 1847) (Insecta, Coleoptera). Opinion 2066
Podalirius Latreille 1802, Hist. nat. Fourmis: 430 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Direction 4
podalirius Linnaeus 1758 [originally in Papilio], Systema Naturae, Ed. 10, vol. 1, p. 463, nota, as interpreted by the lectotype designated under the plenary power, namely the specimen described by Ray 1710 (Hist. Ins.: 111, No. 3) (type locality: ‘Livorno, Tuscany’) (Insecta, Lepidoptera). Opinion 263
Podalonia Fernald 1927, Proc. U.S. nat. Mus., 71(9): 1-42 (gender: feminine) (type species, by designation under the plenary power: Ammophila violaceipennis Lepeletier 1845, in Roret’s Suites à Buffon, Hyménopt., 2: 370) (Insecta, Hymenoptera). Opinion 857
Podalonia Spinola 1853, Mem. Reale Accad. Sci. Torino, (2)13: 52, 53 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 857
PODICEPINAE Bonaparte [1832], Saggio Distrib. met. Anim. Vert.: 62 (type genus: Podiceps Latham 1787) (an incorrect original spelling for PODICIPEDIDAE Bonaparte [1832]). Direction 75, Opinion 981
Podiceps Latham 1787, Suppl. gen. Synopsis Birds, [1]: 294 (conserved under the plenary power) (gender: masculine) (type species, by designation under the plenary power: Colymbus cristatus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 135) (Aves). Opinion 401
PODICEPSINAE Gray 1840, List Genera Birds: 76 (type genus: Podiceps Latham 1787) (an incorrect subsequent spelling for PODICIPEDIDAE (correction of PODICEPINAE) Bonaparte [1832]). Direction 75, Opinion 981
PODICIPEDIDAE (correction of PODICEPINAE) Bonaparte [1832], Saggio Distrib. met. Anim. Vert.: 62 (type genus: Podiceps Latham 1787) (Aves). Direction 75, Opinion 981
Podicipes [Oken] 1839, Isis (Oken), 1839: 673 (an unjustified emendation of Podiceps Latham 1787). Direction 75
PODICIPINAE Bonaparte 1838, Geogr. comp. List Birds Eur. N. Amer.: 64 (type genus: Podiceps Latham 1787) (an incorrect subsequent spelling for PODICIPEDIDAE (correction of PODICEPINAE) Bonaparte [1832]). Direction 75, Opinion 981
PODICIPITIDAE (correction of PODICEPINAE) Bonaparte [1832], Saggio Distrib. met. Anim. Vert.: 62 (type genus: Podiceps Latham 1787) (an incorrect original spelling for PODICIPEDIDAE Bonaparte [1832]). Opinion 981
Podisus Herrich-Schaeffer 1851, in: Die wanzenartigen Insecten, vol. 9, part 6, p. 296 (gender: masculine) (type species, by designation under the plenary powers: Podisus vittipennis Herrich-Schaeffer 1851) (Insecta, Heteroptera). Opinion 1755
Podocanthus Macleay 1881, Proc. linn. Soc. N.S. Wales, 6: 538 (an incorrect subsequent spelling for Podacanthus Gray 1833). Opinion 641
podoliensis Přibyl 1983 [originally in Polonograptus], Časopis pro mineralogiia geologii, 28(2): 158 (specific name of the type species of Polonograptus Tsegelnjuk 1976) (Graptolithina). Opinion 2023
Podophtalmus Lamarck 1801, Syst. Anim. sans Vertèbr.: 152 (an incorrect original spelling for Podophthalmus Lamarck 1801). Direction 37
Podophthalmus Lamarck 1801, Syst. Anim. sans Vertèbr.: 152 (gender: masculine) (type species, by monotypy: Podophtalmus [sic] spinosus Lamarck 1801, Syst. Anim. sans Vertèbr.: 152, valid name: Portunus vigil Weber 1795) (Crustacea, Decapoda). Opinion 73
Podura Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 608 (gender: feminine) (type species, by designation under the plenary power: Podura aquatica Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 609) (Insecta, Collembola). Opinion 104, Opinion 239
POECILIOPSINAE Hubbs 1924, Misc. Publ. Mus. Zool. Univ. Mich., 13: 9 (type genus: Poeciliopsis Regan 1913) (Osteichthyes). Direction 41
Poeciliopsis Regan 1913, Proc. zool. Soc. London, 1913: 996 (gender: feminine) (type species, by designation by Henn 1916 (Ann. Carnegie Mus., 10: 119): Poecilia presidionis Jordan & Culver 1895, Proc. Calif. Acad. Sci., (2)5: 413) (Osteichthyes). Opinion 375
Poecilogale Thomas 1883, Ann. Mag. nat. Hist., (5)11: 370 (gender: feminine) (type species, by monotypy: Zorilla albinucha Gray 1864, Proc. zool. Soc. London, 1864: 69, pl. 10) (Mammalia). Opinion 384
poecilogyrus Wied-Neuwied [1824] [originally in Coluber], Abbildungen zur Naturgeschichte Brasiliens, Heft 8, pl. 44, fig. 2 (Reptilia, Serpentes). Opinion 1832
Poecilonota Eschscholtz 1829, Zoologischer Atlas, enthaltend Abbildungen und Beschreibungen neuer Thierarten, während des Flottcapitains von Kotzebue zweiter Reise um die Welt, auf der Russisch- Kaiserlichen Kriegsschlupp Predpriaetië in den Jahren 1823-1826, part 1, p. 9 (gender: feminine) (type species, by designation under the plenary power: Buprestis variolosa Paykull [1799]) (Insecta, Coleoptera). Opinion 1825
Poecilostoma Dahlbom 1835, Conspectus Tenthredinidum, Siricidum et Oryssinorum Scandinaviae quas Hymenopterorum familias, pp. 5, 13 (gender: neuter) (type species, ruled under the plenary power to be by subsequent designation by Rohwer 1911, U.S. Department of Agriculture, Bureau of Entomology, Technical Series, 20(2): 87: Tenthredo guttata Fallén 1808, a junior subjective synonym of Tenthredo liturata Gmelin 1790) (Insecta, Hymenoptera). Opinion 1963
POEKILOCERIDAE (correction of POECILOCERIDAE) Burmeister 1840, Z. Entomol. (Germar), 2(1): 45, 46 (type genus: Poekilocerus Audinet-Serville 1831), ruled under the plenary power not to be given priority over PYRGOMORPHIDAE Brunner von Wattenwyl 1874 (Insecta, Orthoptera). Opinion 969
Poekilocerus Audinet-Serville 1831, Ann. Sci. nat. (Zool.), 22: 275 (gender: masculine) (type species, by designation under the plenary power: Gryllus pictus Fabricius 1775, Syst. Entomol.: 289) (Insecta, Orthoptera). Opinion 969
poeyi Guérin-Méneville 1856 [originally in Atya], in Sagra, Hist. Cuba, Hist. nat., 7: xviii (specific name of the type species of Micratya Bouvier 1913) (Crustacea, Decapoda). Opinion 470
pohli La Rocque 1948 [originally in Phenacocyclas], Univ. Microfilms Publ., No. 1059: 96 (included in a work issued in microfilm and rejected for nomenclatural purposes). Opinion 318
Poiana Gray [1865], Proc. zool. Soc. London, 1864: 507, 520 (gender: feminine) (type species, by monotypy: Genetta richardsonii Thomson 1842, Ann. Mag. nat. Hist., 10: 204) (Mammalia). Opinion 384
Polanisa Walker 1875, Entomologist, 8: 17 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1018
polaris Sabine 1824 [originally in Alpheus], Suppl. App. Parry’s Voy. N.W. Passage: ccxxxviii (specific name of the type species of Lebbeus White 1847) (Crustacea, Decapoda). Opinion 671
polita Sturm 1807 [originally in Blaps], Deutschlands Fauna in Abbildungen nach der Natur mit Beschreibungen, part 5.2, p. 208 (specific name of the type species of Oodescelis Motschulsky 1845) (Insecta, Coleoptera). Opinion 1729
polita McCoy 1852 [originally in Leptaena (Chonetes)], Ann. Mag. nat. Hist., (2)10: 421 (specific name of the type species of Tornquistia Paeckelmann 1930) (Brachiopoda). Opinion 367
polita Hall 1861 [originally in Lingula], Rep. Superintendent Geol. Surv. Wisconsin: 24 (specific name of the type species of Dicellomus Hall 1871) (Brachiopoda). Opinion 721
polita Linnaeus 1758 [originally in Musca], Systema Naturae, Ed. 10, vol. 1, p. 598 (specific name of the type species of Microchrysa Loew 1855) (Insecta, Diptera). Opinion 1443
politula Broun 1881 [originally in Cyclomorpha], Manual of New Zealand Coleoptera, part 2, p. 668 (specific name of the type species of Cyclaxyra Broun 1893) (Insecta, Coleoptera). Opinion 1472
politus Daudin 1800 [originally in Spiroglyphus], Recueil de mémoires et de notes sur des espèces inédites ou peu connues de Mollusques, de Vers, et de Zoophytes, p. 49 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Gastropoda). Opinion 1425
politus Linnaeus 1758 [originally in Turbo], Systema Naturae, Ed. 10, vol. 1, p. 767, as defined by the neotype (specimen no. 1071 in the Zoological Museum, Uppsala) designated by Warén 1988, Bollettino Malacologico, 24: 20, as confirmed by the setting aside under the plenary power of all previous fixations of type specimen (Gastropoda). Opinion 1780
Pollontes Montfort 1808, Conch. Syst. Class. méth. Coquilles, 1: 246 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 692
POLLYXÉNITES Lucas 1840, Hist. nat. Crust. Arachn. Myriap.: 518 (type genus: Polyxenus Latreille [1802]) (an incorrect original spelling for POLYXENIDAE Lucas 1840). Opinion 905
Pollyxenus Latreille [1802], in Sonnini’s Buffon, Hist. nat. gén. partic. Crust. Ins., 3: 45 (an incorrect original spelling for Polyxenus Latreille [1802]). Opinion 905
polonica Wrzesniowski 1877 [originally in Synurella], in Hoyer, Zeitschr. wiss. Zool., 28: 403 (specific name of the type species of Synurella Wrzesniowski 1877) (Crustacea, Amphipoda). Opinion 1133
Polonograptus Tsegelnjuk 1976, Paleontologiya i stratigrafiya verchnego Dokembriya i nyzhnego Paleozoya jugo-zapada vostocno-evropeyskoj platformy, pp. 124-125 (gender: masculine) (type species, by designation under the plenary power: Polonograptus podoliensis Přibyl 1983) (Graptolithina). Opinion 2023
polybioides Adams & White [1849] [originally in Lissocarcinus], Zool. ‘Samarang’ (4) Crust.: 46 (specific name of the type species of Lissocarcinus Adams & White [1849]) (Crustacea, Decapoda). Direction 36
Polybius Leach [1820], Malac. podophth. Brit. (17): text to pl. 9B (gender: masculine) (type species, by monotypy: Polybius henslowii Leach [1820], Malac. podophth. Brit. (17): text to pl. 9B) (Crustacea, Decapoda). Opinion 73
Polybothris Dupont 1833 (Coleoptera). ICZN 2015: Opinion 2366
Polybotris Dupont 1833 (Coleoptera). ICZN 2015: Opinion 2366
Polycentrus Müller & Troschel 1849, Fische in Schomburgk, M.R., Reisen in Britisch-Guiana in den Jahren 1840-1844 ..., part 3 (Versuch einer Zusammenstellung der Fauna und Flora von Britisch-Guiana), no. 1 (Fauna), p. 622 (gender: masculine) (type species, by monotypy: Polycentrus schomburgkii Müller & Troschel 1849) (Osteichthyes, Perciformes). Opinion 1954
Polycheles Brady & Robertson 1870, Ann. Mag. nat. Hist., (4)6: 25 (a junior homonym of Polycheles Heller 1862). Opinion
Polycheles Heller 1862, SitzBer. Kais. Acad. Wiss. Wien, 45(1): 389 (gender: masculine) (type species, by monotypy: Polycheles typhlops Heller 1862, SitzBer. Kais. Acad. Wiss. Wien, 45(1): 392) (Crustacea, Decapoda). Opinion 519
POLYCHELIDAE Wood-Mason 1874, Proc. asiat. Soc. Bengal, 1874: 180 (type genus: Polycheles Heller 1862) (Crustacea, Decapoda). Opinion 519
polychloros Linnaeus 1758 [originally in Papilio], Systema Naturae, Ed. 10, vol. 1, p. 477 (specific name of the type species of Nymphalis Kluk 1802) (Insecta, Lepidoptera). Opinion 278
Polychroma Dejean 1836, Catalogue des coléoptères de la collection de M. le Comte Dejean. Troisième edition, revue, corrigée et augmentée, p. 89 (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 1628
Polycitor Renier [1804], Prospetto Classe Vermi: XVII (conserved under the plenary power) (gender: masculine) (type species, by designation under the plenary power: Polycitor crystallina Renier [1804], Prospetto Classe Vermi: XVII) (Urochordata). Opinion 478
POLYCITORIDAE Michaelsen 1904, Jahrb. Hamb. wiss. Anst., 21: 2, 83 (type genus: Polycitor Renier [1804]) (Urochordata). Opinion 478
Polycyathus Vologdin 1928, Ezhegodnik Russkogo Paleontologicheskogo Obshchestva, 7: 32 (a junior homonym of Polycyathus Duncan 1876) (Archaeocyatha). Opinion 2121
Polydectus Milne Edwards 1837, in Roret’s Suites à Buffon, Hist. nat. Crust., 2: 145 (gender: masculine) (type species, by monotypy: Pilumnus cupulifer Latreille 1825, Ency. méth., 10 (Ins.): 124) (Crustacea, Decapoda). Opinion 85, Direction 37
Polydectus Rafinesque 1815, Analyse Nature: 142 (a nomen nudum). Direction 37
Polydesmus Latreille [1802], in Sonnini’s Buffon, Hist. nat. gén. partic. Crust. Ins., 3: 44 (gender: masculine) (type species, by monotypy: Julus complanatus Linnaeus 1761, Fauna svec. (ed. 2): 502) (Diplopoda). Opinion 104, Direction 66
POLYDROSINI (correction of POLYDROSIDES) Schoenherr 1823, Isis (Oken) (Jena), 7, Part 10: column 1144 (type genus: Polydrosus Schoenherr 1826, an unjustified emendation of Polydrusus Germar 1817) (Insecta, Coleoptera). Opinion 1179
Polydrusus Germar 1817, Mag. entomol. (Germar), 2: 341 (gender: masculine) (type species, by designation by Schoenherr 1826 (Curculionidum disposito methodicum (Leipzig): 12) and conserved under the plenary power: Curculio undatus Fabricius 1781, Species insectorum ..., 1: 189) (Insecta, Coleoptera). Opinion 1179
polygama Guenée 1852 [originally in Catocala], Histoire naturelle des insectes. Species général des lepidoptères, vol. 7 (Noctuelites, vol. 3), p. 105 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Insecta, Lepidoptera). Opinion 2068
polygoni Cooper 1955 [originally in Heterodera], A preliminary key to British species of Heterodera for use in soil examination, in: Soil Zoology, Proceedings of the University of Nottingham Second Easter School in Agricultural Science, Kevan (ed.), Butterworth, London: 273, 276, 277, 279 (Nematoda). Opinion 1336
Polygramma Chevrolat 1837, in Dejean, Cat. Coleopt., 5: 397 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1290
Polygyra Say 1818, Journal of the Academy of Natural Sciences of Philadelphia, 1(10): 276 (gender: feminine) (type species, ruled under the plenary power to be by subsequent designation by Herrmannsen 1847, Indicus generum Malacozoorum primordia, vol. 2, p. 317: Polygyra septemvolva Say 1818) (Gastropoda). Opinion 1691
POLYGYRIDAE Pilsbry 1895, Manual of Conchology, series 2 (Pulmonata), vol. 9, p. xxxii (type genus: Polygyra Say 1818), ruled under the plenary power that this name and other familygroup names based on Polygyra are to be given precedence over MESODONTIDAE Tryon 1866 and other family-group names based on Mesodon Férussac 1821 whenever their type genera are placed in the same family-group taxon (Gastropoda). Opinion 1691
polykomos Zimmermann 1780 [originally in Cebus], Geogr. Gesch. Mens., 2: 202 (specific name of the type species of Colobus Illiger 1811) (Mammalia). Direction 22
polymnia Linnaeus 1758 [originally in Papilio], Systema Naturae, Ed. 10, vol. 1, p. 466 (specific name of the type species of Mechanitis Fabricius 1807) (Insecta, Lepidoptera). Opinion 232
POLYMORPHIDAE Haug 1887, Neues Jahrb. Min., 1887(2): 89 (type genus: Polymorphites Haug 1887) (an incorrect original spelling for POLYMORPHITIDAE Haug 1887). Opinion 575
Polymorphites Haug 1887, Neues Jahrb. Min., 1887(2): 107, 120 (gender: masculine) (type species, by designation by Buckman 1892 (Mon. Inf. Ool. Amm. Brit. Isles (Palaeontogr. Soc.) (6): 267): Ammonites polymorphus Quenstedt 1845, Petrefactenk. Deutschl.: 86) (Cephalopoda). Opinion 575
POLYMORPHITIDAE (correction of POLYMORPHIDAE) Haug 1887, Neues Jahrb. Min., 1887(2): 89 (type genus: Polymorphites Haug 1887) (Cephalopoda). Opinion 575
polymorphus Quenstedt 1845 [originally in Ammonites], Petrefactenk. Deutschl.: 86 (specific name of the type species of Polymorphites Haug 1887) (Cephalopoda). Opinion 575
polymorphus Baer 1827 [originally in Bucephalus], Nova Acta Physico-Medica Academiae Caesareae Leopoldino- Carolinae Naturae Curiosorum, 13: 570, as defined by the neotype (microscopic preparation no. 1655b in the Zoological Museum, Humboldt University, Berlin, being the lectotype of Gasterostomum fimbriatum Siebold 1848) designated under the plenary power (specific name of the type species of Bucephalus Baer 1827) (Trematoda). Opinion 1717
polymorphus Pallas 1771 [originally in Mytulus (ex err. pro Mytilus)], Reise russ. Reichs, 1: 478 (specific name of the type species of Dreissena (emendation of Driessena) van Beneden 1835) (Bivalvia). Opinion 351
polymorphus Renier [1804] [originally in Tubulanus], Prospetto della Classe dei Vermi, p. 20, ruled under the plenary power to be published and available from its use by Renier [1804], Prospetto della Classe dei Vermi, despite that work having been rejected in Opinion 316 as not properly published (specific name of the type species of Tubulanus Renier [1804]) (Nemertea). Opinion 1486
Polynemus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 317 (gender: masculine) (type species, by designation under the plenary power: Polynemus paradiseus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 317) (Osteichthyes). Opinion 93
Polynoe Savigny 1818, Histoire naturelle des animaux sans vertèbres. Paris (Deterville & Verdière), 5: 308 (gender: feminine) (type species, by designation under the plenary power: Polynoe scolopendrina Savigny 1822, in: Description de l’Egypte. Paris (L’Imprimerie Impériale), Histoire naturelle, 1(3): 25) (Polychaeta). Opinion 1271
Polyodontes de Blainville 1828, in Levrault (Ed.), Dictionnaire des sciences naturelles, vol. 57 (VECVER), p. 461 (gender: masculine) (type species, by monotypy: Phyllodoce maxillosa Ranzani 1817) (Polychaeta). Opinion 1692
Polyommatus Latreille (1804), Nouv. Dict. Hist. nat., 24 (Tab.): 185, 200 (gender: masculine) (type species, by designation under the plenary power: Papilio icarus Rottemburg 1775, Der Naturforscher, Halle, 6: 21) (Insecta, Lepidoptera). Opinion 270
polyphemus Linnaeus 1758 [originally in Monoculus], Systema Naturae, Ed. 10, vol. 1, p. 634 (specific name of the type species of Limulus Müller 1785) (Merostomata). Opinion 320
Polyplectron Temminck 1807, Cat. syst. Cab. Ornithol.: 149 (gender: neuter) (type species, by monotypy and through Opinion 67 and Article 67e (1961 Code): Pavo bicalcaratus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 156) (Aves). Opinion 67, Direction 43
polyptera Schmarda 1854 [originally in Hexarthra], Denkschr. Acad. Wiss. Wien (Math.-natur. Kl.), 7 (No. 2): 15 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 326
Polypus Leach 1817, Zool. Miscell., 3: 139 (a junior objective synonym of Octopus Cuvier [1797]). Opinion 233
Polypus Schneider 1784, Samml. verm. Abhandl. Aufklär. Zool.: 116 (not made available in the work cited). Opinion 233
polypus Schneider 1784 [originally in Octopodia], Samml. verm. Abhandl. Aufklär. Zool.: 116 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 233
Polyrhachis Smith 1857, Journal of the Proceedings of the Linnean Society, Zoology, 2: 58 (gender: feminine) (type species, by original designation: Formica bihamata Drury 1773), ruled under the plenary power to be given precedence over the name Myrma Billberg 1820 whenever the two names are considered to be synonyms (Insecta, Hymenoptera). Opinion 1919
polysticta Cope 1865 [originally in Caudisona], Proc. Acad. nat. Sci. Philadelphia, 1865: 191 (Reptilia). Opinion 366
Polytomurus Hawle & Corda 1847, Prodrom Mon. böhm. Trilob.: 36, 37 (also published in 1848in Abh. Königl.-böhm. Ges. Wiss., (5)5: 152, 153) (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 350
polyxena [Denis & Schiffermüller], 1775 [originally in Papilio], Ankündung syst. Werkes Schmett. Wiener Gegend: 162 (valid name at the date of Opinion 1134 of the type species of Zerynthia Ochsenheimer 1816) (Insecta, Lepidoptera). Opinion 1134
POLYXENIDAE (correction of POLLYXÉNITES) Lucas 1840, Hist. nat. Crust. Arachn. Myriap.: 518 (type genus: Polyxenus Latreille [1802]) (Diplopoda). Opinion 905
Polyxenus (emendation of Pollyxenus) Latreille [1802], in Sonnini’s Buffon, Hist. nat. gén. partic. Crust. Ins., 3: 45 (gender: masculine) (type species, by monotypy: Scolopendra lagura Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 637) (Diplopoda). Opinion 905
polyzelus Hitchcock 1856 [originally in Megadactylus] (Dinosauria). ICZN 2015: Opinion 2361
POLYZONIIDAE Newport 1844, Proc. linn. Soc. London, 1: 195 (type genus: Polyzonium Brandt 1837) (Diplopoda). Opinion 1065
Polyzonium Brandt 1837, Bull. Sci. Acad. imp. Sci. St. Pétersbourg, 1(23): 178, 179 (gender: neuter) (type species, by monotypy: Polyzonium germanicum Brandt 1837, Bull. Sci. Acad. imp. Sci. St. Pétersbourg, 1(23): 178, 179) (Diplopoda). Opinion 1065
Pomacea Perry 1810, Arcana; or the Museum of Natural History, pl. 11 and text (gender: feminine) (type species, by monotypy: Pomacea maculata Perry 1810) (Gastropoda). Opinion 1913
pomatia Linnaeus 1758 [originally in Helix], Systema Naturae, Ed. 10, vol. 1, p. 771 (specific name of the type species of Helix Linnaeus 1758) (Gastropoda). Opinion 336
pomi Retzius 1783 [originally in Phalaena chrysagyria] (Arthropoda). ICZN 2014: Opinion 2333
Pomocystis Haeckel 1896, Amphorideen und Cystoideen. Beiträge zur Morphologie und Phylogenie, in: Festschrift zum Siebenzigsten Gebürtstage von Carl Gegenbaur am 21 August 1896, 1: 98 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1048
pomonella Zeller 1846 [originally in Lithocolletis], Linnaea Entomologica, 1: 201 ruled under the plenary power not to be given priority over the name oxyacanthae Frey 1855, as published in the binomen Lithocolletis oxyacanthae, whenever the two are considered to be synonyms (Lepidoptera) Opinion 2205
Pomosphaera Haeckel 1896, Amphorideen und Cystoideen. Beiträge zur Morphologie und Phylogenie, in: Festschrift zum Siebenzigsten Gebürtstage von Carl Gegenbaur am 21 August 1896, 1: 99 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1048
pompilius Linnaeus 1758 [originally in Nautilus] (Cephalopoda). ICZN 2018: Opinion 2426
Pompilus Fabricius 1798, Suppl. Entomol. syst.: 212 (conserved under the plenary power) (gender: masculine) (type species, by designation under the plenary power: Pompilus pulcher Fabricius 1798, Suppl. Entomol. syst.: 249) (Insecta, Hymenoptera). Opinion 166
Pompilus Schneider 1784, Samml. verm. Abhandl. Aufklär. Zool.: 128 (not made available in the work cited). Opinion 233
Pompilus, all uses of, prior to Pompilus Fabricius 1798 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Direction 2
ponderosum J. Sowerby 1819 [originally in Hippopodium], The mineral conchology of Great Britain, vol. 3, no. 44, p. 91 (specific name of the type species of Hippopodium J. Sowerby 1819) (Bivalvia). Opinion 2036
Poneramoeba Lühe 1909, Schr. phys.-ökon. Ges. Königsb., 49: 421 (gender: feminine) (type species, by original designation: Entamoeba histolytica Schaudinn 1903, Arb. Gesundheitsamt. Berlin, 19(3): 564, as interpreted by Dobell 1919, The Amoebae living in Man: 31-70; pl. I, figs. 1-6; pl. II, fig. 16; pl. III; pl. IV, figs. 70-76) for use by those who consider that the type species of this genus is generically distinct from that of Entamoeba Casagrandi & Barbagallo 1895 (Rhizopoda). Opinion 312
Pontia [Illiger] 1807, Allgem. Lit. Ztg., Halle (Jena), 1807 (No. 2): 1180 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 232
Pontia Fabricius 1807, Mag. f. Insektenk. (Illiger), 6: 283 (conserved under the plenary power) (gender: feminine) (type species, by designation by Curtis 1824 (Brit. Entomol., 5: pl. 48): Papilio daplidice Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 468) (Insecta, Lepidoptera). Opinion 137, Opinion 232
Pontocaris Bate 1888, Rep. Voy. ‘Challenger’ (Zool.), 24: 495 (gender: feminine) (type species, by designation by Holthuis 1947 (Zool. Meded., 27: 320): Pontocaris propensalata Bate 1888, Rep. Voy. ‘Challenger’ (Zool.), 24: 496) (Crustacea, Decapoda). Opinion 470
Pontonia Latreille 1829, in Cuvier, Règne Anim. (ed. 2), 4: 96 (gender: feminine) (type species, by designation under the plenary power: Palaemon pinnophylax Otto 1821, Consp. Anim. marit. non edit.: 12) (Crustacea, Decapoda). Opinion 378
Pontonides Borradaile 1917, Trans. linn. Soc. London (Zool.), (2)17: 387 (gender: masculine) (type species, by monotypy: Pontonia maldivensis Borradaile 1915, Ann. Mag. nat. Hist., (8)15: 213) (Crustacea, Decapoda). Opinion 470
PONTONIINAE (correction of PONTONINAE) Kingsley 1878, Bull. Essex Inst., 10: 64 (type genus: Pontonia Latreille 1829) (Crustacea, Decapoda). Direction 41
PONTONINAE Kingsley 1878, Bull. Essex Inst., 10: 64 (type genus: Pontonia Latreille 1829) (an incorrect original spelling for PONTONIINAE Kingsley 1878). Direction 41
Pontoniopsis Borradaile 1915, Ann. Mag. nat. Hist., (8)15: 207 (gender: feminine) (type species, by monotypy: Pontoniopsis comanthi Borradaile 1915, Ann. Mag. nat. Hist., (8)15: 213) (Crustacea, Decapoda). Opinion 559
Pontophilus Leach [1817], Malac. Podophth. Brit. (15): expl. of pl. 37A (gender: masculine) (type species, by monotypy: Crangon spinosus Leach 1815, Trans. linn. Soc. London, 11: 346) (Crustacea, Decapoda). Opinion 522
ponsiana Douvillé 1903 [originally in Sphaerulites] (Bivalvia). ICZN 2013: Opinion 2314
populi Linnaeus 1758 [originally in Chrysomela], Systema Naturae, Ed. 10, vol. 1, p. 370 (specific name of the type species of Chrysomela Linnaeus 1758) (Insecta, Coleoptera). Opinion 1279
populi Linnaeus 1758 [originally in Papilio], Systema Naturae, Ed. 10, vol. 1, p. 476 (specific name of the type species of Limenitis Fabricius 1807) (Insecta, Lepidoptera). Opinion 278
populi Leach 1827 [originally in Pharalis], in Risso, Hist. nat. princip. Prod. Europ. mérid., 5: 218 (a nomen nudum). Opinion 646
Porcellana Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 1: 143 (included in a work rejected for nomenclatural purposes). Opinion 592
Porcellana Bruguière 1792, Ency. méth., 1(2): 545 (a nomen nudum; not published for use in zoological nomenclature). Opinion 701
Porcellana Lamarck 1801, Syst. Anim. sans Vertèbr.: 153 (gender: feminine) (type species, by monotypy: Cancer platycheles Pennant 1777, Brit. Zool. (ed. 4), 4: 6) (Crustacea, Decapoda). Opinion 701
Porcellana Linck 1783, Index. Mus. Linck., 1: 140 (a name included in a work in which the author did not apply the principles of binominal nomenclature). Opinion 701
Porcellana Meuschen 1787, Mus. Geversianum: 398 (not a name published in the nominative singular). Opinion 701
Porcellana Statius Müller 1766, Deliciae Naturae, 1: 129 (a name included in a work in which the author did not apply the principles of binominal nomenclature). Opinion 701
PORCELLANIDAE Haworth 1825, Phil. Mag., 65: 108 (type genus: Porcellana Lamarck 1801) (Crustacea, Decapoda). Opinion 701
porcelli Linnaeus 1758 [originally in Pediculus], Systema Naturae, Ed. 10, vol. 1, p. 611 (a nomen nudum). Opinion 342
porcelli Schrank 1781 [originally in Pediculus], Enum. Ins. Austr. indig.: 500, pl. 1, fig. 1, as interpreted by the neotype designated by Clay & Hopkins 1954 (Bull. Brit. Mus. (Nat. Hist.) Entomol., 3(6): 254) and figured in 1955 (Ops. Decls. int. Comm. zool. Nomencl., 10: 290, fig. 1) (valid name at the date of Opinion 342 of the type species of Gliricola Mjöberg 1910 (Jan.)) (Insecta, Mallophaga). Opinion 342
Porcellio Latreille [1803-1804], in Sonnini’s Buffon, Hist. nat. gén. partic. Crust. Ins., 7: 39, 45 (gender: masculine) (type species, by original designation: Porcellio scaber Latreille [1803-1804], in Sonnini’s Buffon, Hist. nat. gén. partic. Crust. Ins., 7: 45) (Crustacea, Isopoda). Opinion 104, Direction 66
porcellus Boheman in Schönherr 1834 [originally in Ptochus], Genera et species Curculionidum cum synonymia hujus familiae, vol. 2, part 1, p. 483 (specific name of the type species of Ptochus Schönherr 1826) (Insecta, Coleoptera). Opinion 1616
Porcinolus Mulsant & Rey 1869, Histoire naturelle des coléoptères de France, part 2, Piluliformes, p. 94 (gender: masculine) (type species, by subsequent designation by Mroczkowski 1984, Bulletin of Zoological Nomenclature, 41: 114: Byrrhus murinus Fabricius 1794) (Insecta, Coleoptera). Opinion 1396
Porcus Etienne Geoffroy Saint-Hilaire 1808, Description de l’Egypte, ... Histoire Naturelle, Planches, vol. 1, pl. 15 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Osteichthyes, Siluriformes). Opinion 1402
porcus Linnaeus 1758 [originally in Scorpaena], Systema Naturae, Ed. 10, vol. 1, p. 266 (specific name of the type species of Scorpaena Linnaeus 1758) (Osteichthyes). Direction 57
Porella Gray 1848, List Brit. Anim., 1: 127 (gender: feminine) (type species, by designation under the plenary power: Millepora compressa Sowerby 1805, Brit. Miscell., 1: 83) (Bryozoa). Opinion 967
Pori Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 1: 14 (included in a work rejected for nomenclatural purposes). Opinion 592
Porina Walker 1856, List lep. Ins. Brit. Mus. (7): 1573 (a junior homonym of Porina d’Orbigny 1852). Opinion 267
Porites Cuvier 1798, Tableau élémentaire de l’histoire naturelle des animaux, p. 678, and all uses of the name Porites before the publication of Porites Link 1807 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Anthozoa). Opinion 2061
Porites Link 1807, Beschreibung der Naturalien-Sammlung der Universität zu Rostock, part 3, p. 163 (gender: masculine) (type species, by absolute tautonymy: Madrepora porites Pallas 1766) (Anthozoa). Opinion 2061
porites Pallas 1766 [originally in Madrepora], Elenchus zoophytorum sistens generum ... 28, p. 324, as defined by the lectotype designated by Vaughan 1901, Bulletin of the United States Fish Commission, 20(2) (for 1900): 315 (specific name of the type species of Porites Link 1807) (Anthozoa). Opinion 2061
PORITIDAE Gray 1842, Synopsis of the contents of the British Museum, Ed. 44, p. 135 (type genus: Porites Link 1807) (Anthozoa). Opinion 2061
Porphyrops Meigen 1824 (Diptera). ICZN 2014: Opinion 2348
Porpites Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 137 (included in a work rejected for nomenclatural purposes). Opinion 592
Porrhocampyle Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 576 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
Porrhodontion Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 559 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
porrima [Hübner 1790-1793] [originally in Papilio], Lep. linn.: 6 (included in a work rejected for nomenclatural purposes). Opinion 975
Portellaria Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 137 (included in a work rejected for nomenclatural purposes). Opinion 592
portentosa Lichtenstein 1796 [originally in Acheta], Catalogus musei zoologici ditissimi Hamburgi, d. III. Februar 1796 auctionis lege distrahendi. Sectio Tertia. Continens Insecta, p. 85, ruled under the plenary power to be available despite having been published in a suppressed work (Insecta, Orthoptera). Opinion 1820
Portlandia Mörch 1857, in Rink, Grönl. geogr. statistisk beskrevet, 2(4): 93 (gender: feminine) (type species, by designation under the plenary power: Nucula arctica Gray 1824, Suppl. App. Parry’s Voy. N.W. Passage: 241) (Bivalvia). Opinion 769
portoricensis Brandt 1837 [originally in Siphonophora], Bull. Sci. Acad. imp. Sci. St. Pétersbourg, 1: 178, 179 (specific name of the type species of Siphonophora Brandt 1837) (Diplopoda). Opinion 1212
Portumnus [Leach 1814], in Brewster’s Edinburgh Ency., 7(2): 391, 429, 430 (gender: masculine) (type species, by monotypy and through Opinion 73 and Article 67e (1961 Code): Cancer latipes Pennant 1777, Brit. Zool. (ed. 4), 4: 3) (Crustacea, Decapoda). Opinion 73
PORTUNIDAE (correction by Samouelle 1819 (Entomol. useful Compendium: 83) of PORTUNIDIA) Rafinesque 1815, Analyse Nature: 97 (type genus: Portunus Weber 1795) (Crustacea, Decapoda). Opinion 394
PORTUNIDIA Rafinesque 1815, Analyse Nature: 97 (type genus: Portunus Weber 1795) (an incorrect original spelling for PORTUNIDAE Rafinesque 1815). Opinion 394
portunoides Rafinesque 1814 [originally in Cancer], Précis Découv. Trav. somiolog.: 20 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 522
Portunus Fabricius 1798, Suppl. Entomol. syst.: 325, 363 (a junior homonym and a junior objective synonym of Portunus Weber 1795). Opinion 394
Portunus Weber 1795, Nomencl. entomol. Syst. Fabr.: 93 (gender: masculine) (type species, by designation by Rathbun 1926 (Bull. U.S. nat. Mus., 138: 75): Cancer pelagicus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 626) (Crustacea, Decapoda). Opinion 394
Porus Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 44 (included in a work rejected for nomenclatural purposes). Opinion 592
Porzana Vieillot 1816, Analyse nouv. Ornithol. élém.: 61 (gender: feminine) (type species, by monotypy: Rallus porzana Linnaeus 1766, Systema Naturae, Ed. 12, vol. 1, part 1, p. 262) (Aves). Opinion 67
porzana Linnaeus 1766 [originally in Rallus], Systema Naturae, Ed. 12, vol. 1, part 1, p. 262 (specific name of the type species of Porzana Vieillot 1816) (Aves). Direction 43
Postemma Dufour 1834, Ann. Soc. Entomol. France, 3: 350 (an unjustified emendation of Prostemma Laporte [1832]). Direction 63
posticata Fabricius 1794 [originally in Phalaena], Entomol. syst., 3(2): 196, ruled under the plenary power not to be given priority over the specific name capitata Herrich-Schäffer 1839, as published in the binomen Larentia capitata, whenever the two names are considered synonyms (Insecta, Lepidoptera). Opinion 1361
posticatum Meigen 1838 [originally in Simulia], Systematische Beschreibung der bekannten europäischen zweiflügeligen Insecten, vol. 7 (suppl. vol.), p. 52 (Insecta, Diptera). ICZN 1988: Opinion 1508
POTAMIDAE (correction of POTAMONIDAE) Ortmann 1896, Zool. Jahrb. (Syst.), 9: 445 (type genus: Potamon Savigny 1816) under the plenary power to be given precedence over the family-group names PSEUDOTHELPHUSINAE Ortmann 1893, THELPHUSIDAE MacLeay 1838 and TRICHODACTYLINAE Milne Edwards 1853 by those who consider Potamon Savigny 1816, Pseudothelphusa De Saussure 1857, Thelphusa Latreille 1819 and/or Trichodactylus Latreille [1828] to belong to the same family-group taxon (Crustacea, Decapoda). Opinion 712
Potamilus Rafinesque 1818, American Monthly Magazine and Critical Revue, 3: 355 (gender: masculine) (type species, by subsequent designation by Morrison 1969, Annual Reports of the American Malacological Union, 1969: 24: Unio alatus Say 1817) (Bivalvia). Opinion 1665
potamios Olivier 1803-1804 [originally in Cancer], Voyage Empire Othoman, 4: 240 (valid name at the date of Opinion 712 of the type species of Potamon Savigny 1816) (Crustacea, Decapoda). Opinion 712
Potamis Hübner [1806], Tentamen: [1] (included in a work rejected for nomenclatural purposes). Opinion 278
Potamis Hübner [1807], Samml. exot. Schmett., 1: pl. [79] (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Direction 4
POTAMOBIIDAE Stebbing 1893, Hist. Crust.: 206 (type genus: Potamobius Samouelle 1819) (a junior objective synonym of ASTACIDAE (correction of ASTACINI) Latreille [1802], the respective type genera of the two families having the same nominal species as type species). Direction 12
Potamobius Samouelle 1819, Entomol. useful Compendium: 95 (a junior objective synonym of Astacus Fabricius 1775). Direction 12
Potamocarcinus Milne Edwards 1853, Ann. Sci. nat., Paris (Zool.), (3)20: 208 (gender: masculine) (type species, by monotypy: Potamocarcinus armatus Milne Edwards 1853, Ann. Sci. nat., Paris (Zool.), (3)20: 208) (Crustacea, Decapoda). Opinion 73
potamogeti Rafinesque 1817 [originally in Pephredo], Amer. mon. Mag. crit. Review, 2: 41 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1133
Potamolithus Pilsbry & Rush 1896, The Nautilus, 10(7): 80 (gender: masculine) (type species, by subsequent designation by Clench, 1948, The Nautilus, 61(3): 105: Paludina lapidum d’Orbigny 1835) (Gastropoda). Opinion 1779
Potamon Savigny 1816, Mém. Anim. sans Vertèbr., 1: 107 (gender: neuter) (type species, by monotypy: Potamon fluviatile Savigny 1816, Mém. Anim. sans Vertèbr., 1: 107, valid name: Cancer potamios Olivier 1803-1804) (Crustacea, Decapoda). Opinion 712
Potamonautes MacLeay 1838, in Smith, Ill. Zool. S. Africa, Invert.: 64 (gender: masculine) (type species, by monotypy: Thelpheusa [sic] perlata Milne Edwards 1837, in Roret’s Suites à Buffon, Hist. nat. Crust., 2: 13) (Crustacea, Decapoda). Opinion 73