International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS
Pe
peachii Alder & Hancock 1848 [originally in Eolis], Ann. Mag. nat. Hist., (2)1: 191 (specific name of the type species of Precuthona Odhner 1929) (Gastropoda). Opinion 783
peckhami Galiano 1978 [originally in Bellota], Rev. peruana Entomol., 21(1): 27 (specific name of the type species of Bellota Peckham & Peckham 1892) (Arachnida). Opinion 1265
pecten Linnaeus 1758 [originally in Anomia], Systema Naturae, Ed. 10, vol. 1, p. 702, as interpreted, by direction under the plenary power, as the species represented by the lectotype figured by Brunton, Cocks & Dance 1967 (Proc. linn. Soc. London, 178(2): 166, 167, pl. 1, figs. 22-26) (Brachiopoda). Opinion 224, Opinion 964
Pectinaria Lamarck 1818, Hist. nat. Anim. sans Vert., 5: 348 (gender: feminine) (type species, by designation by Malmgren 1866 (Öfvers. K. Vetensk Akad. Förh. Stockholm, 1865: 356): Nereis cylindraria belgica Pallas 1766, Misc. zoologica: 122) (Polychaeta). Opinion 1225
PECTINARIIDAE Quatrefages 1865, Hist. nat. Annélés marins et d’eau douce, Annélides et géphyriens, 2: 327 (type genus: Pectinaria Lamarck 1818) ruled under the plenary power to be given precedence over AMPHICTENIDAE Grube 1851 whenever Pectinaria Lamarck 1818 and Amphictene Savigny 1822 are placed in the same family-group taxon (Polychaeta). Opinion 1225
pectinata Guérin 1831 [originally in Listroscelis], in Lesson, Histoire naturelle des Crustacés, Arachnides et Insectes ... Voyage autour du Monde sur la Corvette ‘La Coquille’ du Capitaine Duperrey. Zoologie, 2(2), Division 1, pl. 10 (specific name of the type species of Phisis Stål 1861) (Orthoptera, Grylloptera). Opinion 1490
pectinata Sowerby 1805 [originally in Nereis], British Miscellany, 1: 107 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1225
pectinata Gmelin 1791 [originally in Tellina], in Linnaeus, Systema Naturae, Ed. 13, vol. 1, part 6, p. 3236 (Bivalvia). Opinion 1095
pectinata Linnaeus 1758 [originally in Venus], Systema Naturae, Ed. 10, vol. 1, p. 689 (specific name of the type species of Gafrarium [Röding] 1798) (Bivalvia). Opinion 1189
pectinifera Sowerby 1840 [originally in Atrypa], Mineral Conchology of Great Britain, 7: 14 (specific name of the type species of Cleiothyridina Buckman 1906) (Brachiopoda). Opinion 1041
Pectinigenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VII (included in a work rejected for nomenclatural purposes). Opinion 427
Pectonculites Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 108 (included in a work rejected for nomenclatural purposes). Opinion 592
pectoralis Latham 1801 [originally in Muscicapa], Index orn., Suppl.: li (specific name of the type species of Pachycephala Vigors 1825) (Aves). Direction 43
pectoralis [anon.] [1840] [originally in Turdus], Verz. Java Samml. Thier. Holzapfel: No. 89 (included in a work suppressed under the plenary power for nomenclatural purposes). Opinion 273
Pectunculigenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VII (included in a work rejected for nomenclatural purposes). Opinion 427
pectunculoides Scacchi 1834 [originally in Arca], Annali Civili del Regno delle due Sicilie, 6: 82 (specific name of the type species of Bathyarca Kobelt 1891) (Bivalvia). Opinion 1887
Pectunculus da Costa 1778, British Conchology, p. 183 (gender: masculine) (type species, by subsequent designation by Juke-Browne 1911, Proceedings of the Malacological Society. London, 9: 250: Pectunculus capillaceus da Costa 1778, a junior objective synonym of Venus exoleta Linnaeus 1758) (Bivalvia). Opinion 1414
Pectunculus Lamarck 1799, Mémoires de la Société d’Histoire Naturelle de Paris, 1799: 87 (a junior homonym of Pectunculus da Costa 1778) (Bivalvia). Opinion 1414
Pedalia Barrois 1878, C.R. Assoc. franç. Adv. Sci., 6 (Le Havre 1877): 661 (not made available in the work cited). Opinion 326
Pedalion Buckton 1903, Monogr. Membr. (No. 6): 251 (a junior homonym of Pedalion Dillwyn 1817). Opinion 326
Pedalion Hudson 1871, Mon. microscop. J., 6: 121 (a junior homonym of Pedalion Dillwyn 1817). Opinion 326
Pedalion Swainson 1838, Nat. Hist. Class. Fishes Amph. Rept., 1: 199 (a junior homonym of Pedalion Dillwyn 1817). Opinion 326
pedatus Fabricius 1780 [originally in Cancer], Fauna groenl.: 283 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 578
pedestris Guérin-Méneville 1836 [originally in Hyperia], Iconographie du Règne Animal de G. Cuvier, vol. 2, Crustacés, pl. 25, fig. 6 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Amphipoda). Opinion 1878
pedestris Erichson 1842 [originally in Mesops], Arch. Naturges., Jahrg. 8, 1: 250, 251 (specific name of the type species of Psednura Burr 1903) (Insecta, Orthoptera). Opinion 1096
pedicularia Latreille [1804-1805] [originally in Nycteribia], in Sonnini’s Buffon, Hist. nat. gén. partic. Crust. Ins., 14: 403 (specific name of the type species of Nycteribia Latreille 1796) (Insecta, Diptera). Direction 64
pedicularius Linnaeus 1758 [originally in Dermestes], Systema Naturae, Ed. 10, vol. 1, p. 357 (specific name of the type species of Kateretes Herbst 1793) (Insecta, Coleoptera). Opinion 1916
pediculoides Houttuyn [1787] [originally in Cancer], Anim. Mus. Houtt. Index: 109 (included in a work suppressed under the plenary power for nomenclatural purposes). Opinion 380
Pediculus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 610 (gender: masculine) (type species, by designation by Latreille 1810 (Consid. gén. Anim. Crust. Arach. Ins.: 423, 114): Pediculus humanus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 610) (as restricted by Latreille [1803-1804] (Hist. nat. gén. partic., Crust. Ins., 8: 93-94) to the form referred to by Linnaeus as living ‘in vestamentis humanis’ (i.e. the form commonly known as corporis)) (Insecta, Anoplura). Opinion 104, Direction 63
Pedigenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VII (included in a work rejected for nomenclatural purposes). Opinion 427
Pedionomus Gould 1840 (1 December), The birds of Australia, Part 1. 17 pls, the author, London, text to pl. 17 (gender: masculine), type species by monotypy Pedionomus torquatus Gould 1840 (1 December) (Aves). Opinion 2231
Pedionomus Gould 1840 (31 October), The Athenaeum, 679: 876, suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy (Aves). Opinion 2231.
Pediopelte Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 561 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
Pedipes Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 1: 143 (included in a work rejected for nomenclatural purposes). Opinion 592
pedunculata Pennant 1777 [originally in Cereus] (Cnidaria). ICZN 2014: Opinion 2334
Pedusa d’Abrera 2001 (Lepidoptera). ICZN 2015: Opinion 2358
Peggichisme Kirkaldy 1904, Entomologist, 37: 280 (gender: feminine) (type species, by designation under the plenary power: Davila consanguinea Distant 1893, Biol. centr.-Amer., Heteroptera, 1 Suppl.: 395) (Insecta, Hemiptera). Opinion 1284
Pelagia Gumppenberg 1890, N. Acta Acad. Leop. Carol., 54: 483; 58: 237 (a junior homonym of Pelagia Péron & Lesueur 1810). Opinion 666
Pelagia Lamouroux 1821, Exp. Méth. polyp.: 78 (a junior homonym of Pelagia Peron & Lesueur 1810). Opinion 666
Pelagia Quoy & Gaimard (1833), in d’Urville, Voy. ‘Astrolabe’, Zool., 2: 292 (a junior homonym of Pelagia Peron & Lesueur 1810). Opinion 666
pelagica Wallich 1877 [originally in Coccosphaera], Ann. Mag. nat. Hist., (4)19: 348 (valid name at the date of Opinion 805 of the type species of Coccolithus Schwarz 1894) (Coccolithophorida). Opinion 805
pelagica Girard 1857 [originally in Heteronota], Proceedings of the Academy of Natural Sciences of Philadelphia, 9: 197, ruled under the plenary power to be given precedence over the specific name of Gymnodactylus arnouxii Duméril 1851 whenever the two names are considered to be synonyms (Reptilia, Sauria). Opinion 1647
pelagica Rafinesque 1817 [originally in Nectoceras], Amer. mon. Mag., 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 522
pelagica Lamarck 1801 [originally in Physalia], Syst. Anim. sans Vertèbr.: 335 (a junior objective synonym of physalis Linnaeus 1758 [originally in Holothuria]). Direction 76
pelagica Linnaeus 1758 [originally in Procellaria], Systema Naturae, Ed. 10, vol. 1, p. 131 (specific name of the type species of Hydrobates Boie 1822) (Aves, Procellariiformes). Opinion 1696
pelagicus Linnaeus 1758 [originally in Cancer], Systema Naturae, Ed. 10, vol. 1, p. 626 (specific name of the type species of Portunus Weber 1795) (Crustacea, Decapoda). Opinion 394
pelagosae Bedriaga 1886 [originally in Lacerta muralis neapolitana var.], Abh. Senckenb. naturf. Ges., 14(2): 228 (conserved under the plenary power) (Reptilia). Opinion 642
Pelagus Montfort 1808, Conch. syst. Class. méth. Coquilles, 1: 62 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 304
pelamys Oken 1816 [originally in Hydrophis], Lehrb. Naturgesch., 3: 279 (included in a work rejected for nomenclatural purposes). Opinion 651
Pelastoneurus Loew 1861, Neue Beiträge zur Kenntniss der Dipteren, Beitrag 8, p. 36 (gender: masculine) (type species, by subsequent designation by Coquillett 1910, Proceedings of the United States National Museum, 37: 586: Pelastoneurus vagans Loew 1861 (Insecta, Diptera). Opinion 2087
Pelecanus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 132 (gender: masculine) (type species, by designation by Gray 1840 (List Genera Birds: 80): Pelecanus onocrotalus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 132) (Aves). Direction 68
Pelicaria Gray 1857, Guide Syst. Distrib. Moll. Brit. Mus.: 77 (gender: feminine) (type species, by monotypy: Buccin[um] vermis Martyn 1784, Univ. Conch., 2: fig. 53) (Gastropoda). Opinion 479
Pelidnota MacLeay 1819, Horae entomologicae: or essays on the annulose animals, vol. 1, part 1, p. 158 (gender: feminine) (type species, by monotypy: Scarabaeus punctatus Linnaeus 1758) (Insecta, Coleoptera). Opinion 2054
pellarini Le Guillou 1841 [originally in Aedipoda], Rev. Zool., 4: 295 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 631
pellionella Linnaeus 1758 [originally in Phalaena], Systema Naturae, Ed. 10, vol. 1, p. 536 (specific name of the type species of Tinea Linnaeus 1758) (Insecta, Lepidoptera). Opinion 450
pellucens Linnaeus 1758 [originally in Musca], Systema Naturae, Ed. 10, vol. 1, p. 595 (specific name of the type species of Volucella Geoffroy 1762) (Insecta, Diptera). Opinion 441
pellucida Lamarck 1805 [originally in Erycina], Ann. Mus. Hist. nat., Paris, 6(37): 53 (specific name of the type species of Erycina Lamarck 1805) (Bivalvia). Opinion 217
pellucida Müller 1774 [originally in Helix], Verm. terrestr. fluviat. Hist., 2: 15 (specific name of the type species of Vitrina Draparnaud [1801]) (Gastropoda). Opinion 336
pellucidus Teilkampf 1844 [originally in Astacus], Arch. Anat. Phys. wiss. Medic., 1844: 383 (valid name at the date of Opinion 519 of the type species of Orconectes Cope 1872) (Crustacea, Decapoda). Opinion 519
pellucidus Cleve 1899 [originally in Tintinnus], K. svensk. Vetensk.-Akad. Handl., 32(3): 24, Tab. 1, fig. 4 (specific name of the type species of Leprotintinnus Jörgensen 1900) (Ciliophora). Opinion 926
Pelomedusa Wagler 1830, Natürliches System der Amphibien ..., p. 136 (gender: feminine) (type species, by monotypy: Testudo galeata Schoepff 1792) (Reptilia, Testudines). Opinion 1534
PELOMEDUSIDAE Cope 1868, Proceedings of the Academy of Natural Sciences of Philadelphia, 1868: 119 (type genus: Pelomedusa Wagler 1830) (Reptilia, Testudines). Opinion 1534
pelopus Gray 1846 [originally in Anthus], Catalogue of the Specimens and Drawings of Mammalia and Birds of Nepal and Thibet presented by B.H. Hodgson Esq. to the British Museum: 154 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 803
Pelorus de Montfort 1808, Conchyliologie systématique et classification méthodique des coquilles. Coquilles univalves, cloisonnées, vol. 1, p. 22 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Foraminiferida). Opinion 1570
Pelta Quatrefages 1844, Ann. Sci. nat., Paris (Zool.), (3)1: 151 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 811
PELTIDAE [Winckworth] 1931, Plymouth mar. Fauna (ed. 2): 267 (type genus: Pelta Quatrefages 1844) (invalid because the name of the type genus has been suppressed under the plenary power). Opinion 811
Peltis Geoffroy 1762, Histoire abrégée des insectes qui se trouvent aux environs de Paris, vol. 1, p. 117, and all uses of the name prior to the publication of Peltis Kugelann 1792 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Coleoptera). Opinion 1754
Peltis Kugelann 1792, Neuestes Magazin für die Liebhaber der Entomologie, 4: 508 (gender: feminine) (type species, by subsequent designation by Hope 1840, The coleopterist’s manual, vol. 3, p. 150: Silpha grossa Linnaeus 1758) (Insecta, Coleoptera). Opinion 1754
Peltoura Milne Edwards 1840, in Roret’s Suites à Buffon, Hist. nat. Crust., 3: 344 (an incorrect original spelling for Peltura Milne Edwards 1840). Opinion 499
Peltura (emendation under the plenary power of Peltoura) Milne Edwards 1840, in Roret’s Suites à Buffon, Hist. nat. Crust., 3: 344 (gender: feminine) (type species, by designation by Hawle & Corda 1847 (Prodrom Mon. böhm. Trilob.: 127 (also published in 1848 in Abh. Königl.-böhm. Ges. Wiss., (5)5: 243)): Entomostracites scarabaeoides Wahlenberg [1818], Nova Acta K. vet.-Soc. Upsala, 8: 41) (Trilobita). Opinion 499
PELTURIDES Hawle & Corda 1847, Prodrom Mon. böhm. Trilob.: 118 (also published in 1848 in Abh. Königl.-böhm. Ges. Wiss., (5)5: 234) (type genus: Peltura Milne Edwards 1840) (an incorrect original spelling for PELTURINAE Hawle & Corda 1847). Opinion 499
PELTURINAE (correction of PELTURIDES) Hawle & Corda 1847, Prodrom Mon. böhm. Trilob.: 118 (also published in 1848 in Abh. Königl.-böhm. Ges. Wiss., (5)5: 234) (type genus: Peltura Milne Edwards 1840) (Trilobita). Opinion 499
Pelusios Wagler 1830, Natürliches System der Amphibien ..., p. 136 (gender: masculine) (type species, by subsequent designation by Fitzinger 1843, Systema Reptilium, 1, Amblyglossae, p. 29: Testudo subnigra Bonnaterre 1790) (Reptilia, Testudines). Opinion 1534
pelusius Solander in Russell 1794 [originally in Silurus], Natural History of Aleppo. Containing a Description of the City, and the Principal Natural Productions in its Neighbourhood. Together with an Account of the Climate, Inhabitants, and Diseases; Particularly of the Plague. Second Edition, revised by P. Russell, vol. 2, p. 210 (the valid name of Bagrus halepensis Valenciennes in Cuvier & Valenciennes 1840, the type species of Mystus Scopoli 1777) (Osteichthyes) Opinion 2209
PEMPHIGINI (emendation of PEMPHIGIDEN) Koch 1857, Die Pflanzenlaüse Aphiden., Nürnberg (8): VIII (type genus: Pemphigus Hartig 1839) (Insecta, Hemiptera). Opinion 1019
Pemphigus Hartig 1839, Jahresber. Fortschr. Forstwiss.-Naturk. im Jahre 1836 u. 1837, 1(4): 645 (gender: masculine) (type species, by designation by Fitch 1855 (Trans. New York State Agric. Soc., 14: 7 footnote): Aphis bursaria Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 453) (Insecta, Hemiptera). Opinion 1019
PENAEIDAE (correction by White 1847 (List Crust. Coll. Brit. Mus.: 79) of PENEDIA) Rafinesque 1815, Analyse Nature: 98 (type genus: Penaeus Fabricius 1798) (Crustacea, Decapoda). Direction 15
Penaeopsis Bate 1881, Ann. Mag. nat. Hist., (5)8: 171, 182 (gender: feminine) (type species, by designation by Bouvier 1905 (C.R. Acad. Sci., Paris, 140: 981): Penaeopsis serratus Bate 1881, Ann. Mag. nat. Hist., (5)8: 183) (Crustacea, Decapoda). Opinion 864
Penaeus Fabricius 1798, Suppl. Entomol. syst.: 385, 408 (gender: masculine) (type species, by designation by Latreille 1810 (Consid. gén. Anim. Crust. Arach. Ins.: 422, 102): Penaeus monodon Fabricius 1798, Suppl. Entomol. syst.: 408) (Crustacea, Decapoda). Opinion 104, Direction 15
Penaeus Stiles 1928, Smithson. misc. Coll., 73 (No. 5): 27 (an unjustified emendation of Peneus Weber 1795, and a junior homonym of Penaeus Fabricius 1798). Direction 15
pendula Linnaeus 1758 [originally in Musca], Systema Naturae, Ed. 10, vol. 1, p. 591 (specific name of the type species of Helophilus Fabricius 1805) (Insecta, Diptera). Opinion 1747
PENEDIA Rafinesque 1815, Analyse Nature: 98 (type genus: Penaeus Fabricius 1798) (an incorrect original spelling for PENAEIDAE Rafinesque 1815). Direction 15
penelope Schaufuss 1870 [originally in Castnia], Nunqu. otiosus, 1: 9 (Insecta, Lepidoptera). Direction 96
Peneopsis Faxon 1893, Bull. Mus. comp. Zool., 24: 212 (an incorrect subsequent spelling for Penaeopsis Bate 1881). Opinion 864
Penerythros Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 562 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
penetrans Müller 1776 [originally in Staphylinus], Zoologiae Danicae prodromus, seu animalium Daniae et Norvegiae indigenarum characteres, p. 97, ruled under the plenary power not to be given priority over Staphylinus picipennis Fabricius 1793 whenever they are considered to be synonyms (Insecta, Coleoptera). Opinion 2086
penetrans Cobb 1917 [originally in Tylenchus], J. agric. Res., 11: 27-33 (Nematoda). Opinion 658
Peneus Weber 1795, Nomencl. entomol. Syst. Fabr.: 94 (a nomen nudum). Direction 15
penicillatus Simon 1875 [originally in Attus], Annales de la Société Entomologique de France, (5)5: xcii. Bulletin des Séances (Séance du 28 Avril 1875) (Arachnida, Araneae). Opinion 1612
penicilliger Grube 1852 [originally in Pulex], in Middendorf, Reise Nord. Ost. Sibir., 2 (Theil 1): 500, pl. 22, figs. 7, 9, as restricted to the male component of this composite nominal species by Wagner 1898 (Hor. Soc. entomol. ross., 31: 569, pl. 8, fig. 6) (specific name of the type species of Amalaraeus Ioff 1936) (Insecta, Siphonaptera). Opinion 388
penicilliger Kolenati 1863 [originally in Trichopsylla], Hor. Soc. entomol. ross., 2: 32 (a reputed but nonexistent name, being a misapplication of the specific name penicilliger Grube 1852 [originally in Pulex]). Opinion 388
penicilligerus Cuvier 1817 [originally in Balistes], Le Règne Animal, 4: 185, pl. 9, fig. 3 (specific name of the type species of Chaetodermis Swainson 1839) (Osteichthyes). Opinion 764
peninsularis La Rocque 1948 [originally in Actinopterella], Univ. Microfilms Publ., No. 1059: 21 (included in a work issued in microfilm and rejected for nomenclatural purposes). Opinion 318
peninsularis La Rocque 1948 [originally in Leiopteria], Univ. Microfilms Publ., No. 1059: 26 (included in a work issued in microfilm and rejected for nomenclatural purposes). Opinion 318
peninsularis La Rocque 1948 [originally in Solenomorpha], Univ. Microfilms Publ., No. 1059: 121 (included in a work issued in microfilm and rejected for nomenclatural purposes). Opinion 318
Pennahia Fowler 1926, J. Bombay nat. Hist. Soc., 31: 776 (gender: feminine) (type species, by designation under the plenary power: Otolithus macrophthalmus Bleeker 1850, Verhandel. Batav. Genootsch., 23: 16) (Osteichthyes). Opinion 1237
pennanti Leach [1817] [originally in Ebalia], Malac. podophth. Brit. (14): text to pl. 25 (a junior objective synonym of tuberosus Pennant 1777 [originally in Cancer]). Direction 37
pennata Gmelin 1791 [originally in Doris], in Linnaeus, Systema Naturae, Ed. 13, vol. 1, part 6, p. 3105 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 777
pennatribus Cope 1869 (May) [originally in Thorius], American Naturalist, 3(4): 222 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Amphibia, Caudata). Opinion 1605
pennatulus Cope 1869 (June) [originally in Thorius], Proceedings of the Academy of Natural Sciences of Philadelphia, 21: 111 (specific name of the type species of Thorius Cope 1869, by reason of the suppression under the plenary power of Thorius pennatribus Cope 1869) (Amphibia, Caudata). Opinion 1605
Pennella Oken 1815, Lehrbuch der Naturgeschichte, vol. 3 (Zoologie), part 1, p. 358 (gender: feminine) (type species, ruled under the plenary power to be valid by monotypy: Pennella diodontis Oken 1815), ruled under the plenary power to be available despite having been published in a rejected work (Copepoda). Opinion 1817
pennicilligerus Cuvier 1817 [originally in Balistes], Le Règne Animal, 4: 185, pl. 9, fig. 3 (an incorrect original spelling for penicilligerus Cuvier 1817 [originally in Balistes]). Opinion 764
pensylvanica [sic] Linnaeus 1776 [originally in Passer], Cat. Birds Beasts Fishes Ins. Edwards’ nat. Hist.: 13 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 412
pensylvanica Lepeletier 1841 [originally in Macrocera], Histoire naturelle des insectes. Hyménoptères, vol. 2, p. 97 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 1852
pensylvanicus De Geer 1773 [originally in Cimex viridis] (Arthropoda). ICZN 2014: Opinion 2333
pensylvanica Linnaeus 1758 [originally in Venus], Systema Naturae, Ed. 10, vol. 1, p. 688 (specific name of the type species of Lucina Bruguière 1797) (Bivalvia). Opinion 1095
Pentaceros Schröter 1782, Musei Gottwaldiani testaceorum: 58 (included in a work rejected for nomenclatural purposes). Opinion 707
Pentacrinos Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 109 (included in a work rejected for nomenclatural purposes). Opinion 592
Pentacta Goldfuss 1820, Handb. Zool., 1: 177 (gender: feminine) (type species, by monotypy: Actinia doliolum Pallas 1766, P.S. Pallas Misc. zool.: 152) (Holothuroidea). Opinion 1295
pentadactyla Linnaeus 1758 [originally in Phalaena], Systema Naturae, Ed. 10, vol. 1, p. 542 (specific name of the type species of Pterophorus Geoffroy 1762) (Insecta, Lepidoptera). Opinion 703
pentagona Quoy & Gaimard 1833 [originally in Holothuria], Voy. ‘Astrolabe’, Zool., 4: 135 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 762
pentagonus Jukes-Browne 1896 [originally in Ammonites], Quart. J. geol. Soc. London, 52: 156, pl. 5, fig. 1 (specific name of the type species of Eucalycoceras Spath 1923) (Cephalopoda). Opinion 557
pentagonus Stimpson 1858 [originally in Cryptocnemus], Proc. Acad. nat. Sci. Philadelphia, 1858: 162 (specific name of the type species of Cryptocnemus Stimpson 1858) (Crustacea, Decapoda). Direction 36
Pentamerus Sowerby 1813, Min. Conch., 1: 73*, 76* (gender: masculine) (type species, by designation under the plenary power: Pentamerus oblongus Sowerby 1839, in Murchison, Silurian System: 641, pl. 19, fig. 10) (Brachiopoda). Opinion 297
pentangulatus Sowerby 1814 [originally in Euomphalus], The Mineral Conchology of Great Britain, vol. 1, no. 9, p. 97 (specific name of the type species of Euomphalus Sowerby 1814) (Gastropoda, Archaeogastropoda). Opinion 1470
pentaphlebodes [Baetis]. Case 3322
Pentaphyllites Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 109 (included in a work rejected for nomenclatural purposes). Opinion 592
pentathrix Gosse 1886 [originally in Eretmia], in Hudson & Gosse, The Rotifera or Wheel Animalcules both British & Foreign, 2: 128, pl. 29, fig. 12 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 816
pentaphlebodes Ujhelyi 1966 [originally in Baetis] (Insecta, Ephemeroptera): not given precedence over Baetis nexus Navas 1918. ICZN 2007: Opinion 2171 (Case 3322)
Pentila Westwood [1851], in Doubleday, Gen. diurn. Lep. (2): pl. 76 (gender: feminine) (type species, by designation under the plenary power: Tingra tropicalis Boisduval 1847, in Delegorgue, Voy. Afrique austr., 2: 589) (Insecta, Lepidoptera). Opinion 566
PENTILINI Aurivillius [1921], in Seitz, Grossschmett. Erde, 13: 298 (type genus: Pentila Westwood [1851]) (Insecta, Lepidoptera). Opinion 566
Pentodon Hope 1837, The Coleopterist’s manual, containing the Lamellicorn insects of Linneus and Fabricius, p. 92 (gender: masculine) (type species, by original designation: Scarabaeus punctatus Villers 1789) (Insecta, Coleoptera). Opinion 2054
Pentoxocera Pierce 1908, incorrect original spelling of Pentozocera Pierce 1908 (Opinion 36)
Pentozocera Pierce 1908, replacement name for Breusia Perkins 1905 (junior homonym of Breusia Ashmead 1903) and emendation of Pentoxocera Pierce 1908 (Opinion 36)
penulatum Renier [1804] [originally in Scolixedion], Prospetto Classe Vermi: XX (included in a work rejected for nomenclatural purposes). Opinion 436
Pephricoptyche Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 553 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
Pepliphorus Hübner [1819], Verzeichniss bekannter Schmettlinge, part 5, p. 71 (gender: masculine) (type species, by subsequent designation by Scudder 1875, Proceedings of the American Academy of Arts and Sciences, 10: 245: Papilio cyanea Cramer [1775]), ruled under the plenary power not to be given priority over Nacaduba Moore [1881] whenever the two names are considered to be synonyms (Insecta, Lepidoptera). Opinion 1773
Peplodyta Toxopeus 1929, Tijdschrift voor Entomologie, 70: 230 (a junior objective synonym of Pepliphorus Hübner [1819]) (Insecta, Lepidoptera). Opinion 1773
perarmatus J. Sowerby 1822 (June) [originally in Ammonites], The Mineral Conchology of Great Britain, vol. 4, p. 72, ruled under the plenary power not rendered invalid by the prior publication of Ammonites perarmatus Young & Bird 1822 (May) (specific name of the type species of Euaspidoceras Spath 1931) (Cephalopoda, Ammonoidea). Opinion 1456
perarmatus Young & Bird 1822 (May) [originally in Ammonites], A geological survey of the Yorkshire coast, p. 249 (Cephalopoda, Ammonoidea). Opinion 1456
Perca Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 289 (gender: feminine) (type species, by designation by Gill 1861 (Proc. Acad. nat. Sci. Philadelphia, 1861: 48): Perca fluviatilis Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 289) (Osteichthyes). Opinion 77, Direction 56
Percnon Gistl 1848, Nat. Thierr.: viii (gender: neuter) (type species, by designation by Rathbun 1918 (Bull. U.S. nat. Mus., 97: 337): Cancer planissimus Herbst [1804], Versuch. Naturgesch. Krabben Krebse, 3(4): 3) (Crustacea, Decapoda). Opinion 85, Direction 37
percnopterus (emendation of perenopterus) Linnaeus 1758 [originally in Vultur], Systema Naturae, Ed. 10, vol. 1, p. 87 (specific name of the type species of Neophron Savigny 1809) (Aves). Opinion 411
percutiens Wilkes [1796] [originally in Alauda], Encyclopaedia Londinensis, vol. 1, p. 236 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Aves). Opinion 1859
peregrina Gmelin 1791 [originally in Doris], in Linnaeus, Systema Naturae, Ed. 13, vol. 1, part 6, p. 3105 (specific name of the type species of Cratena Bergh 1864) (Gastropoda). Opinion 776
peregrinus Walckenaer 1837 [originally in Attus], Histoire naturelle des insectes aptères, Paris, 1: 445 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1340
peregrinus [Tunstall] 1771 [originally in Falco], Ornithologia britannica: 1 (Aves). Opinion 882
peregrum Müller 1774 [originally in Buccinum], Verm. terrestr. fluviat. Hist., 2: 130 (Gastropoda). Opinion 336
peregusna Güldenstaedt 1770 [originally in Mustela], Novi Comment. Acad. Sci. imp. Petrop., 14(1): 441 (valid name at the date of Opinion 384 of the type species of Vormela Blasius 1884) (Mammalia). Opinion 384
perenopterus Linnaeus 1758 [originally in Vultur], Systema Naturae, Ed. 10, vol. 1, p. 87 (an incorrect original spelling for percnopterus Linnaeus 1758 [originally in Vultur]). Opinion 411
perfida Walckenaer 1802 [originally in Aranea], Faune paris., 2: 223 (a junior objective synonym of florentina Rossi 1790 [originally in Aranea]). Direction 29
perfoliata Schrank 1788 [originally in Taenia], Verzeichnisse der bisher hinlänglich bekannten Eingeweidewürmer, p. 37 (specific name of the type species of Anoplocephala Blanchard 1848) (Cestoda). Opinion 1427
perforans De Serres 1855 [originally in Stoa], Annales des Sciences Naturelles, Paris. Zoologie, (4)4: 241 (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
pergamentaceus Cuvier 1830 [originally in Chaetopterus], Le règne animal distribué d’après son organisation, pour servir de base à l’histoire naturelle des animaux et d’introduction à l’anatomie comparée, Nouvelle édition, vol. 3, Déterville & Crochard, Paris, p. 208, specific name of the type species of Chaetopterus Cuvier 1830 (Annelida). Opinion 2296.
pergratus Sellnick 1919 [originally in Embolacarus] (Acari). ICZN 2018: Opinion 2419
Peribolus Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 1: 143 (included in a work rejected for nomenclatural purposes). Opinion 592
pericarpius Linnaeus 1758 [originally in Curculio], Systema Naturae, Ed. 10, vol. 1, p. 380 (specific name of the type species of Rhinoncus Schönherr 1825) (Insecta, Coleoptera). Opinion 1529
Periclimenaeus Borradaile 1915, Ann. Mag. nat. Hist., (8)15: 207 (gender: masculine) (type species, by designation by Borradaile 1917 (Trans. linn. Soc. London (Zool.), (2)17: 378): Periclimenaeus robustus Borradaile 1915, Ann. Mag. nat. Hist., (8)15: 213) (Crustacea, Decapoda). Opinion 470
Periclimenes Costa 1844, Ann. Accad. Aspir. Nat. Napoli, 2: 290 (gender: masculine) (type species, by monotypy: Periclimenes insignis Costa 1844, Ann. Accad. Aspir. Nat. Napoli, 2: 291, valid name: Alpheus amethystea Risso 1826) (Crustacea, Decapoda). Opinion 470
periglacialis Cei & Scolaro 1982 [originally in Vilcunia] (currently Liolaemus periglacialis; Reptilia, Sauria): not given priority over Liolaemus hatcheri Stejneger 1909. ICZN 2005: Opinion 2103 (Case 3219)
Perigrapsus Heller 1862, Verh. zool.-bot. Ges. Wien, 12 (Abh.): 522 (gender: masculine) (type species, by monotypy: Perigrapsus excelsus Heller 1862, Verh. zool.-bot. Ges. Wien, 12 (Abh.): 522) (Crustacea, Decapoda). Opinion 85, Direction 37
Perineus Thompson 1936, Ann. Mag. nat. Hist., (10)18: 41 (gender: masculine) (type species, by original designation: Lipeurus nigrolimbatus Giebel 1874, Insecta epizoa: 233) (Insecta, Mallophaga). Opinion 656
Periplaneta Burmeister 1838, Handb. Entomol., 2(2) (No. 1): 502 (gender: feminine) (type species, by designation by Kirby 1890 (Proc. roy. Dublin Soc. (n.s.), 6: 562): Blatta americana Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 424) (Insecta, Orthoptera). Opinion 104, Direction 63
Perisphinctes Waagen 1869, Geogn.-pal. Beitr., 2: 248 (gender: masculine) (type species, by designation under the plenary power: Ammonites variocostatus Buckland 1836, Bridgewater Treatise, No. 6: pl. 42, fig. 7 (no text)) (Cephalopoda). Opinion 303
PERISPHINCTINAE Steinmann 1890, in Steinmann & Döderlein, Elem. Paläont. (2): 441 (type genus: Perisphinctes Waagen 1869) (Cephalopoda). Direction 14
Peristernia Mörch 1852, Catalogus conchyliorum quae reliquit D. Alphonso d’Aguirra & Gadea, Comes de Yoldi, &c., Fasciculus primus (Cephalophora), p. 99 (gender: feminine) (type species, ruled under the plenary power to be by subsequent designation by von Martens 1868, Mollusca. Zoological Record, 4: 530: Turbinella nassatula Lamarck 1822) (Gastropoda). Opinion 1981
Perla de Geer 1773, Mém. Hist. Ins., 3: 567 (a junior homonym of Perla Geoffroy 1762). Opinion 645
Perla Geoffroy 1762, Hist. abrég. Ins. Paris, 2: 229 (conserved under the plenary power) (gender: feminine) (type species, by designation under the plenary power: Perla bipunctata Pictet 1833, Ann. Sci. nat., Paris, 28(109): 55) (Insecta, Plecoptera). Opinion 645
Perla Retzius 1783, in de Geer, Gen. Spec. Ins.: 50 (a junior homonym of Perla Geoffroy 1762). Opinion 645, ICZN 2014: Opinion 2333.
perla Linnaeus 1758 [originally in Hemerobius], Systema Naturae, Ed. 10, vol. 1, p. 549 (specific name of the type species of Chrysopa [Leach 1815]) (Insecta, Neuroptera). Opinion 211
PERLARIAE Latreille [1802], in Sonnini’s Buffon, Hist. nat. gén. partic. Crust. Ins., 3: 292 (type genus: Perla Geoffroy 1762) (an incorrect original spelling for PERLIDAE Latreille [1802]). Opinion 645
perlata Milne Edwards 1837 [originally in Thelpheusa (sic)], in Roret’s Suites à Buffon, Hist. nat. Crust., 2: 13 (specific name of the type species of Potamonautes MacLeay 1838) (Crustacea, Decapoda). Direction 36
perlatus Herbst [1790] [originally in Cancer], Versuch. Naturgesch. Krabben Krebse, 1(8): 265 (specific name of the type species of Daira de Haan [1833]) (Crustacea, Decapoda). Direction 78
perlatus Poeppig 1836 [originally in Hepatus], Arch. Naturgesch., 2 (No. 1): 135 (specific name of the type species of Pilumnoides Milne Edwards & Lucas [1844]) (Crustacea, Decapoda). Direction 36
PERLIDAE (correction of PERLARIAE) Latreille [1802], in Sonnini’s Buffon, Hist. nat. gén. partic. Crust. Ins., 3: 292 (type genus: Perla Geoffroy 1762) (Insecta, Plecoptera). Opinion 645
permianus Sellards 1906 [originally in Tupus], Amer. J. Sci., (4)22: 249 (specific name of the type species of Tupus Sellards 1906) (Insecta, Protodonata). Opinion 1317
permutata Klausewitz 1966 [originally in Siphamia], Senckenbergiana Biologica, 47: 217 (Osteichthyes, Perciformes). Opinion 1481
permutatus Attems 1938 [originally in Cornalatus], Tierreich, 69: 61 (specific name of the type species of Cornalatus Attems 1931) (Diplopoda, Polydesmida). Opinion 1498
Perna Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 1: 143 (included in a work rejected for nomenclatural purposes). Opinion 592
pernettensis de Blainville 1817 [originally in Delphinus], Nouv. Dict. Hist. nat., 9: 154 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1067
pernettyi Desmarest 1820 [originally in Delphinus], Mammalogie, ou description des espèces de mammifères, (Agasse), Paris: 513 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1067
Pernigenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VII (included in a work rejected for nomenclatural purposes). Opinion 427
pernyi [originally in Antheraea]. ICZN 2018: Opinion 2415 (Case 3635)
Pero Herrich-Schäffer 1855, Systematische Bearbeitung Schmetterlinge Europa, col. 6, p. 91 (gender: feminine) (type species, by designation under the plenary power: Gonodontis rectisectaria Herrich- Schäffer [1855]) (Insecta, Lepidoptera). Opinion 1379
Peronella Gray 1855, Cat. rec. Echin. B.M., (1) Echin. Irreg.: 13 (gender: feminine) (type species, by monotypy: Laganum peronii Agassiz 1841, Mon. Echin., 2: 123) (Echinoidea). Opinion 608
peronii Leach 1815 [originally in Ibacus], Zool. Miscell., 2: 152 (specific name of the type species of Ibacus Leach 1815) (Crustacea, Decapoda). Opinion 519
peronii Agassiz 1841 [originally in Laganum], Mon. Echin., 2: 123 (specific name of the type species of Peronella Gray 1855) (Echinoidea). Opinion 608
Peronopora Nicholson 1881, On the Structure and Affinities of the Genus Monticulipora: 100, 102 (gender: feminine) (type species, by designation under the plenary power: Chaetetes decipiens Rominger 1866, Proc. Acad. nat. Sci. Philadelphia, 1866: 116, 117) (Bryozoa). Opinion 838
perplexa Feltes 1991 [originally in Filimanus], Copeia, 1991(2): 307 (specific name of the type species of Filimanus Myers 1936) (Osteichthyes, Perciformes). Opinion 1761
perplexus Baird & Girard 1852 [originally in Cnemidophorus], Proceedings of the Academy of Natural Sciences of Philadelphia, 6(4): 128 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Reptilia, Squamata). Opinion 1929
Persephona Leach 1817, Zool. Miscell., 3: 22 (gender: feminine) (type species, by designation by Rathbun 1922 (Smithson. misc. Coll., 73 (No. 1): 28): Persephona latreillei (correction of latreillii) Leach 1817, Zool. Miscell., 3: 22, valid name: Cancer punctatus Linnaeus 1758) (Crustacea, Decapoda). Opinion 73, Direction 37
Persephona Leach 1852, Syn. Moll. Gt. Brit.: 146, 189 (a junior homonym of Persephona Leach 1817). Direction 37
persica Naef 1923 [originally in Octopodoteuthis], Fauna e Flora del Golfo di Napoli, 35(1,1): 337, ruled under the plenary power not to be given priority over the specific name of Taningia danae Joubin 1931 whenever the two names are considered to be synonyms (Cephalopoda, Coleoidea). Opinion 1768
persicum Linnaeus 1758 [originally in Buccinum], Systema Naturae, Ed. 10, vol. 1, p. 738 (specific name of the type species of Purpura Bruguière 1789) (Gastropoda). Opinion 886
personata G.R. Gray 1848 [originally in Coracopsis] (Aves). ICZN 2016: Opinion 2383
personatus Linnaeus 1758 [originally in Cancer], Systema Naturae, Ed. 10, vol. 1, p. 628, as interpreted by the neotype designated by Holthuis 1962 (Bull. zool. Nomencl., 19: 53, pl. 3) (specific name of the type species of Dromia Weber 1795) (Crustacea, Decapoda). Opinion 688
personatus Linnaeus 1758 [originally in Cimex], Systema Naturae, Ed. 10, vol. 1, p. 446 (specific name of the type species of Reduvius Fabricius 1775) (Insecta, Hemiptera). Direction 64
pertii Laporte 1838 [originally in Prionocerus] (Coleoptera). ICZN 2019: Opinion 2444
pertii Gory & Laporte 1837 [originally in Stigmodera], Histoire naturelle et iconographie des insectes coléoptères, publiée par monographies séparées. Texte vol. 2. Suite aux Buprestides, p. 23 (specific name of the type species of Castiarina Gory & Laporte 1837) (Insecta, Coleoptera). Opinion 1628
pertinax Cabanis & Heine 1859 [originally in Contopus], Museum Heineanum ..., part 2, p. 72 (Aves, Passeriformes). Opinion 1885
pertinax Newstead [April 1901] [originally in Walkeriana], Proc. zool. Soc. London, 1900: 947, pl. 59 (specific name of the type species of Aspidoproctus Newstead [April 1901]) (Insecta, Hemiptera). Opinion 268
pertusa Linnaeus 1758 [originally in Voluta], Systema Naturae, Ed. 10, vol. 1, p. 732 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 841
peruanum Meyen 1833 [originally in Lagidium], Nova Acta Acad. Caes. Leop. Carol., 16(2): 578 (specific name of the type species of Lagidium Meyen 1833) (Mammalia). Direction 22
peruviana Lafresnaye 1847 [originally in Geositta], Rev. Zool., [10]: 75 (Aves). Opinion 1101
peruvianus Wiegmann 1835 [originally in Hemidactylus], Verhandlungen der Kaiserlichen Leopoldinisch-Carolinischen Akademie der Naturforscher, 17(1): 240 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Reptilia, Squamata). Opinion 1908
perversus Linnaeus 1758 [originally in Turbo], Systema Naturae, Ed. 10, vol. 1, p. 767 (valid name at the date of Opinion 335 of the type species of Balea Gray 1824) (Gastropoda). Opinion 335
Pes Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 122 (included in a work rejected for nomenclatural purposes). Opinion 592
Petalia Gray 1838, Mag. Zool. Bot., 2(12): 494 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Direction 24
Petalidium Bate 1881, Ann. Mag. nat. Hist., (5)8: 172, 194 (gender: neuter) (type species, by monotypy: Petalidium foliaceum Bate 1881, Ann. Mag. nat. Hist., (5)8: 194) (Crustacea, Decapoda). Opinion 864
Petasia Audinet-Serville 1831, Ann. Sci. nat. (Zool.), 22: 278 (a junior homonym of Petasia Stephens 1828). Opinion 969
PETASIAE Bolivar 1884, An. Soc. esp. Hist. nat., 13: 21, 25, 471, 497 (type genus: Petasia Audinet- Serville 1831) (invalid because the name of the type genus is a junior homonym). Opinion 969
petersii Bocourt 1873 [originally in Anolis], in Duméril, Bocourt & Mocquard (Eds.), Recherches Zoologiques, vol. 3, (Section 1). Etudes sur les reptiles et les Batraciens. Mission Scientifique au Mexique et dans l´Amérique Centrale, p. 79 (Reptilia). Opinion 2015
petrefactus Bertrand 1763 [originally in Crocodilus], Dict. Univ. Foss. Propres Foss. Accid., 1: 183 (included in a work rejected for nomenclatural purposes). Opinion 592
petri Nicolesco 1917 [originally in Bigotella], Bull. Soc. géol. France, (4)16: 167, pl. 4, figs. 4, 5 (specific name of the type species of Bigotites Nicolesco 1918) (Cephalopoda). Opinion 324
Petricoligenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VII (included in a work rejected for nomenclatural purposes). Opinion 427
Petrodactylus Oken 1816, Lehrb. Naturgesch., 3: index (included in a work rejected for nomenclatural purposes). Opinion 651
Petrolisthes Stimpson 1858, Proc. Acad. nat. Sci. Philadelphia, 1858: 227 (gender: masculine) (type species, by original designation: Porcellana violacea Guérin 1829, in Duperrey, Voy. ‘Coquille’, Zool., 2(2): pl. 3, fig. 2) (Crustacea, Decapoda). Opinion 701
Petromyzon Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 230 (gender: masculine) (typespecies, by designation by Jordan & Copeland 1877 (Bull. Buffalo Soc. nat. Sci., 3(4): 161): Petromyzon marinus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 230) (Agnatha). Opinion 1171
PETROMYZONTIDAE Bonaparte 1832, Saggio d’una distribuzione metodica degli animali vertebrati a sangue freddo. Giorn. Arcadica, 52: 165, 189 (type genus: Petromyzon Linnaeus 1758) (Agnatha). Opinion 1171
petronella Pfeiffer 1853 [originally in Helix], Monogr. Helic. viv., 3: 95 (Gastropoda). Opinion 336
Petropedetes Reichenow 1874, Archiv für Naturgeschichte, 40(1.3): 290 (gender: masculine)(type species, by monotypy: Petropedetes cameronensis Reichenow 1874) (Amphibia, Anura). Opinion 1921
PETROPEDETINAE Noble 1931, The Biology of the Amphibia, p. 520 (type genus: Petropedetes Reichenow 1874), ruled under the plenary power that this name and other familygroup names based on Petropedetes are to be given precedence over HEMIMANTIDAE Hoffmann 1878 and (by the first reviser action of Dubois 1982, Bulletin of Zoological Nomenclature, 39: 136) CACOSTERNINAE Noble 1931, and other family-group names based on Hemimantis Peters 1863 and Cacosternum Boulenger 1887 whenever their type generaare placed in the same family-group taxon (Amphibia, Anura). Opinion 1921
Petrophora Hübner 1808, Erste Zutr. Samml. exot. Schmett.: 5 (included in a work rejected for nomenclatural purposes). Opinion 789
petropolitana Dybowski 1877 [originally in Dianulites], Die Chaetetiden der Ostbaltischen Silur-Formation, p. 24, deemed under the plenary power to be a then new nominal species (Bryozoa). Opinion 2042
petropolitana Nicholson 1879 [originally in Diplotrypa], On the Structure and Affinities of the ‘Tabulate Corals’ of the Palaeozoic Period with critical descriptions of illustrative species, p. 313, as defined by the lectotype designated by Wyse Jackson, Buttler & Key 2001, Bulletin of Zoological Nomenclature, 58: 217, deemed under the plenary power to be a then new nominal species (Bryozoa). Opinion 2042
petropolitana Pander 1830 [originally in Favosites], Beiträge zur Geognosie des Russischen Reiches, p. 105 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Bryozoa). Opinion 2042
pettos Quenstedt 1843 [originally in Ammonites], Das Flözgebirge Württembergs, p. 178 (specific name of the type species of Coeloceras Hyatt 1867) (Ammonoidea). Opinion 2123
Petunculus Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 1: 143 (included in a work rejected for nomenclatural purposes). Opinion 592
peus Speiser 1904 [originally in Culex], Insektenborse, 21: 148 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Insecta, Diptera). Opinion 1644
Pezoporus Foerster 1868, Verh. naturh. Ver. preuss. Rheinlande, 25: 181 (a junior homonym of Pezoporus Illiger 1811). Direction 44
Pezoporus Illiger 1811, Prodr. Syst. Mamm. Avium: 201 (gender: masculine) (type species, by monotypy: Psittacus formosus Latham 1790, Index ornithol.: 103, valid name: Psittacus wallicus Kerr 1792) (Aves). Opinion 67
Pezoporus Klug [1842], Abh. K.-preuss. Akad. Wiss., Berlin, 1840: 311 (a junior homonym of Pezoporus Illiger 1811). Direction 44