International Commission on Zoological Nomenclature:
OPINIONS and: DIRECTIONS

taxa names:

Pi

picata Latham 1801 [originally in Columba], Supplementum Indicis Ornithologici, sive Systematis Ornithologiae, p. 59, suppressed under the plenary power for the Purposes of the Principle of Priority but not for those of the Principle of Homonymy (Aves). Opinion 2240 

picata Latham 1801 [originally in Gracula], Supplementum Indicis Ornithologici, sive Systematis Ornithologiae, p. 29, suppressed under the plenary power for the Purposes of the Principle of Priority but not for those of the Principle of Homonymy (Aves). Opinion 2240 

piceus Linnaeus 1758 [originally in Dytiscus], Systema Naturae, Ed. 10, vol. 1, p. 411 (specific name of the type species of Hydrophilus Geoffroy 1762) (Insecta, Coleoptera). Opinion 1754 

piceus L. Koch 1862 [originally in Lithobius], Die Myriapodengattung Lithobius darestellt, p. 49 (Chilopoda). Opinion 1816 

piceus Cameron 1932 [originally in Tachinus], The fauna of British India including Ceylon and Burma. Coleoptera. Staphylinidae, vol. 3, p. 389, ruled under the plenary power to be not invalid by reason of being a junior primary homonym of T. piceus Stephens 1829 and T. piceus Erichson 1839 (Insecta, Coleoptera). Opinion 2053

piceus Cameron 1926 [originally in Xantholinus], Transactions of the Entomological Society of London, 1925: 345, ruled under the plenary power to be not invalid by reason of being a junior primary homonym of X. piceus MacLeay 1873 (Insecta, Coleoptera). Opinion 2053

picipennis Heer 1839 [originally in Philonthus], Fauna Coleopterorum Helvetica, vol. 1, part 2, p. 279 (Insecta, Coleoptera). Opinion 2053

picipennis Mäklin 1852 [originally in Philonthus], Bulletin de la Société Impériale des Naturalistes de Moscou, 25(2): 313, ruled under the plenary power to be not invalid by reason of being a junior primary homonym of P. picipennis Heer 1839 (Insecta, Coleoptera). Opinion 2053

picipennis Fabricius 1793 [originally in Staphylinus], Entomologiae Systematicae ..., vol. 1, part 2, p. 521, ruled under the plenary power to be given precedence over Staphylinus penetrans Müller 1776 whenever they are considered to be synonyms (Insecta, Coleoptera). Opinion 2086

picipes Nees 1811 [originally in Bracon], Mag. Ges. Naturf.-Freund., Berlin, 5(1): 28 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 284 

picipes Olivier 1790 [originally in Byrrhus], Entomologie, ou histoire naturelle des Insectes (13): 9, ruled under the plenary power not to be given priority over the specific name semistriatus Fabricius 1794, as published in the binomen Byrrhus semistriatus, whenever the two names are considered synonyms (Insecta, Coleoptera). Opinion 1323  

picipes Marsham 1802 [originally in Curculio], Entomologia britannica ..., vol. 1, Coleoptera, p. 272, ruled under the plenary power to be not invalid by reason of being a junior primary homonym of Curculio picipes Fabricius 1777 (type species of Procas Stephens 1831) (Insecta, Coleoptera). Opinion 2116 

picirostris Fabricius 1787 [originally in Curculio], Mantissa Insectorum sistens eorum species nuper detectas, vol. 1, p. 101, as defined by the neotype (the female lectotype of Curculio cinerascens Marsham 1802 in the Natural History Museum, London) designated under the plenary power (Insecta, Coleoptera). Opinion 1387

picta Razoumowsky 1789 [originally in Aranea], Hist. nat. Jorat: 242 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 517

picta Walckenaer 1802 [originally in Aranea], Faune paris., 2: 207 (conserved under the plenary power) (specific name of the type species of Theridion Walckenaer 1805) (Arachnida). Opinion 517

picta Milne Edwards 1848 [originally in Bellia], Ann. Sci. nat., Paris (Zool.), (3)9: 192 (specific name of the type species of Bellia Milne Edwards 1848) (Crustacea, Decapoda). Direction 36

picta Thunberg 1827 [originally in Buprestis], Nova Acta Regiae Societatis Scientiarum Upsaliensis, 9: 47, ruled under the plenary power to be treated as not invalid by reason of having been originally published as a junior primary homonym of Buprestis picta Pallas 1773 (Insecta, Coleoptera). Opinion 2008 

picta Waterhouse 1882 [originally in Buprestis], in Godman & Salvin (Eds.), Biologia Centrali-Americana, vol. 3, part 1 (Insecta, Coleoptera, Buprestidae), p. 15, ruled under the plenary power to be treated as not invalid by reason of having been originally published as a junior primary homonym of Buprestis picta Pallas 1773 (Insecta, Coleoptera). Opinion 2008

picta Alder & Hancock 1847 [originally in Eolis], Mon. brit. nud. Moll. (3), fam. 3: pl. 33 (a junior objective synonym of pallida Alder & Hancock 1842 [originally in Eolis]). Opinion 773

picta Temminck 1820 [originally in Hyaena], Ann. gén. Sci. phys., Bruxelles, 3: 54, pl. 35 (valid name at the date of Opinion 384 of the type species of Lycaon Brookes 1827) (Mammalia). Opinion 384

picta Dana 1852 [originally in Hymenocera], U.S. Explor. Exped., 13: 593 (specific name of the type species of Hymenocera Latreille 1819) (Crustacea, Decapoda). Opinion 383  

picta Meigen 1818 [originally in Lasioptera], Syst. Beschr. zweifl. Ins., 1: 89 (specific name of the type species of Lasioptera Meigen 1818) (Insecta, Diptera). Opinion 929

Pictonia Bayle 1878, Explic. Carte géol. France, 4 (Atlas): explic. pl. lxvi (gender: feminine) (type species, by designation under the plenary power: Pictonia baylei Salfeld 1913, Quart. J. geol. Soc. London, 69: 429, to be interpreted by reference to the specimen figured by Bayle 1878 (ibid.: pl. lxvi)) (Cephalopoda). Opinion 426

PICTONIDAE Spath 1924, Pal. ind. (n.s.), 9 (Mem. 1): 13 (type genus: Pictonia Bayle 1878) (an incorrect original spelling for PICTONIIDAE Spath 1924). Direction 14  

PICTONIIDAE (correction of PICTONIDAE) Spath 1924, Pal. ind. (n.s.), 9 (Mem. 1): 13 (type genus: Pictonia Bayle 1878) (Cephalopoda). Direction 14

pictorum Linnaeus 1758 [originally in Mya], Systema Naturae, Ed. 10, vol. 1, p. 671 (specific name of the type species of Unio Philipsson 1788) (Bivalvia). Opinion 495

pictum Perry 1811 [originally in Haustrum], Conchology: pl. 44 (rejected as a nomen oblitum). Opinion 886  

pictus Gmelin [1789] [originally in Coluber], in Linnaeus, Systema Naturae, Ed. 13, vol. 1, part 3, p. 1116 (a name taking precedence over the specific name boiga Lacepède 1789 [originally in Coluber]) (Reptilia). Opinion 525  

pictus Milne Edwards 1862 [originally in Enoplometopus], Ann. Sci. nat., Paris (Zool.), (4)17: 362 (specific name of the type species of Enoplometopus Milne Edwards 1862) (Crustacea, Decapoda). Opinion 519  

pictus Fabricius 1775 [originally in Gryllus], Syst. Entomol.: 289 (specific name of the type species of Poekilocerus Audinet- Serville 1831) (Insecta, Orthoptera). Opinion 969

pictus Linnaeus 1758 [originally in Phasianus], Systema Naturae, Ed. 10, vol. 1, p. 158 (specific name of the type species of Chrysolophus Gray [1833-34]) (Aves). Direction 43

picui Temminck 1813 [originally in Columba], Hist. nat. gén. Pigeons Gallinaces, 1: 435 (Aves). Direction 35

PIERIDAE (correction under the plenary power of PIERIDES) Duponchel [1835], in Godart, Hist. nat. Lépid. France, Suppl., 1: 381 (type genus: Pieris Schrank 1801), ruled under the plenary power to be given precedence over COLIADINAE Swainson 1827 by those who believe their type genera lie in the same family-group taxon (Insecta, Lepidoptera). Opinion 500, Direction 112

PIERIDES Duponchel [1835], in Godart, Hist. nat. Lépid. France, Suppl. 1: 381 (type genus: Pieris Schrank 1801) (an incorrect original spelling for PIERIDAE Duponchel [1835]). Opinion 500

PIERIDIDAE (correction by Reuter 1897 (Acta Soc. Sci. fenn., 22: 228) of PIERIDINA) Herrich-Schaeffer, 1853, Samml. Aussereur. Schmett.: 54 (often cited under the alternative title Lepid. exot. Spec. nov.) (type genus: Pieris Schrank 1801) (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 500  

PIERIDINA Herrich-Schaeffer, 1853, Samml. Aussereur. Schmett.: 54 (often cited under the alternative title Lepid. exot. Spec. nov.) (type genus: Pieris Schrank 1801) (an incorrect original spelling for PIERIDIDAE Herrich-Schaeffer, 1853). Opinion 500

Pieris Schrank 1801, Fauna boica, 2(1): 152, 161 (gender: feminine) (type species, by designation by Latreille 1810 (Consid. gén. Anim. Crust. Arach. Ins.: 440, 351): Papilio brassicae Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 467) (Insecta, Lepidoptera). Opinion 278  

piger Fabricius 1775 [originally in Trichius], Systema Entomologiae, p. 41 (specific name of the type species of Trichiotinus Casey 1915) (Insecta, Coleoptera). Opinion 2162  

Pila Röding 1798, Museum Boltenianum, part 2, p. 145 (gender: feminine) (type species, by subsequent designation by Dall 1904, Journal of Conchology, 11(2): 53: Helix ampullacea Linnaeus 1758), senior objective synonym of Ampullaria Lamarck 1799 (Gastropoda). Opinion 1913 

pilchardus Walbaum 1792 [originally in Clupea], Artedi Ichthyologia, 3: 38 (valid name at the date of Opinion 799 of the type species of Sardina Antipa 1904) (Osteichthyes). Opinion 799

pileata Forbes 1841 [originally in Thaumantias], Annals and Magazine of Natural History, (1)7: 84 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Hydrozoa). Opinion 1465

pileatum Linton 1891 [originally in Discocephalum], Report U.S. Commissioner of Fish and Fisheries for 1887, 15: 781 (specific name of the type species of Disculiceps Joyeux & Baer 1935) (Cestoda, Lecanicephalidea). Opinion 1538  

Pileus Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 100 (included in a work rejected for nomenclatural purposes). Opinion 592 

pileus Bruguière 1792 [originally in Terebratula], Choix des mémoires ... formant les collections du Journal d’Histoire naturelle, vol. 1, p. 424 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Brachiopoda). Opinion 1466

PILIDAE Preston 1915, The fauna of British India, including Ceylon and Burma. Mollusca, vol. 4 (Freshwater Gastropoda & Pelecypoda), p. 96, confirmed as a junior and invalid objective synonym of AMPULLARIIDAE Gray 1824 (Gastropoda). Opinion 1913

pilimanus von Martens 1869 [originally in Astacus], Arch. Naturgesch., 35(1): 15 (specific name of the type species of Parastacus Huxley [1879]) (Crustacea, Decapoda). Opinion 519

pilipes Fabricius 1775 [originally in Apis], Syst. Entomol.: 383 (specific name of the type species of Anthophora Latreille 1803) (Insecta, Hymenoptera). Direction 4

pilisuctor Chatton & Lwoff 1934 [originally in Conidophrys], Comptes Rendus des Séances de l’Académie des Sciences (Paris), 199(16): 697 (specific name of the type species of Conidophrys Chatton & Lwoff 1934) (Ciliophora). Opinion 2106

Pilophorus Hahn 1826, Icon. Cimic., 1: 22 (gender: masculine) (type species, by designation under the plenary power: Cimex clavatus Linnaeus 1767, Systema Naturae, Ed. 12, vol. 1, part 2, p. 729) (Insecta, Hemiptera). Opinion 254 

pilosum Chevrolat 1843 [originally in Chaetosoma], Dictionnaire universel d’histoire naturelle ... Tome troisième. [Livraisons 30–36]. MM. Renard, Martinet et Cie, Paris, p. 367, valid specific name of the type species of Apodasya Pascoe 1863 (Insecta, Coleoptera). Opinion 2287  

pilula Linnaeus 1758 [originally in Dermestes], Systema Naturae, Ed. 10, vol. 1, p. 356 (specific name of the type species of Byrrhus Linnaeus 1767) (Insecta, Coleoptera). Opinion 1754

PILUMNIDAE Samouelle 1819, Entomol. useful Compendium: 86 (type genus: Pilumnus Leach 1815) ruled under the plenary power not to be given priority over XANTHINAE Dana 1851, but available for use by those who consider that Pilumnus Leach and Xantho [Leach 1814] belong to different familygroup taxa (Crustacea, Decapoda). Opinion 423 

Pilumnoides Milne Edwards & Lucas [1844], in d’Orbigny, Voy. Amérique mérid., 6 (Crust.): 21 (gender: masculine) (type species, by monotypy: Hepatus perlatus Poeppig 1836, Arch. Naturgesch., 2 (No. 1): 135) (Crustacea, Decapoda). Opinion 85, Direction 37 

Pilumnopeus Milne Edwards 1867, Ann. Soc. entomol. France, (4)7: 277 (gender: masculine) (type species, by designation by Balss 1933 (Capita Zool., 4(3): 33, 34): Pilumnopeus crassimanus Milne Edwards 1867, Ann. Soc. entomol. France, (4)7: 278, valid name: Ozius serratifrons Kinahan 1858) (Crustacea, Decapoda). Opinion 712 

Pilumnus Bonaparte 1854, Ateneo Ital., 2: 123 (a junior homonym of Pilumnus Leach 1815). Direction 37  

Pilumnus Dejean 1821, Cat. Coléopt. (ed. 1): 86; Dahl 1823, Col. u. Lepid.: 56 (a nomen nudum). Direction 37  

Pilumnus Gistl 1848, Nat. Thierr.: xi (a junior homonym of Pilumnus Leach 1815). Direction 37  

Pilumnus Koch 1837, Uebers Arachnidensyst. (1): 38 (a junior homonym of Pilumnus Leach 1815). Direction 37

Pilumnus Leach 1815, Trans. linn. Soc. London, 11(2): 321 (gender: masculine) (type species, by monotypy: Cancer hirtellus Linnaeus 1761, Fauna svec. (ed. 2): 493) (Crustacea, Decapoda). Opinion 85, Direction 37 

Pilumnus Rafinesque 1815, Analyse Nature: 122 (a junior homonym of Pilumnus Leach 1815). Direction 37  

Pimpla Fabricius [1804-1805], Syst. Piezat.: 112 (gender: feminine) (type species, by designation under the plenary power: Ichneumon instigator Fabricius 1793, Entomol. syst., 2: 164) (Insecta, Hymenoptera). Opinion 159

Pinguinus Bonnaterre 1790, Ency. méth. (Ornith.), 1: lxxxiii (gender: masculine) (type species, by designation by Ogilvie-Grant 1898 (Cat. Birds Brit. Mus., 26: 562): Alca impennis Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 130) (Aves). Opinion 999

pinguis Westwood 1845 [originally in Hybosorus] (Coleoptera). ICZN 2021: Opinion 2477

pini Barensprung 1858 [originally in Anthocoris], Berlin entomol. Z., 2: 188, as interpreted by its holotype in the Berlin Museum (Insecta, Hemiptera). Opinion 959 

pini Linnaeus 1758 [originally in Aphis], Systema Naturae, Ed. 10, vol. 1, p. 453, to be interpreted by reference to the description published by de Geer 1773 (Mém. Hist. Ins., 3(2): 27-39) under the name Aphis nudi pini, this reference having been selected by Goeze as first reviser in 1778 (Entomol. Beytr. Linn., 2: 304, 305) (specific name of the type species of Cinara Curtis 1835) (Insecta, Hemiptera). Opinion 398, Opinion 399

pini De Geer 1773 [originally in Aphis nuda] (Arthropoda). ICZN 2014: Opinion 2333

pini De Geer 1773 [originally in Aphis tomentosa] (Arthropoda). ICZN 2014: Opinion 2333

pini Hartig 1839 [originally in Aspidiotus], Jahresberichte über die Fortschritte der Forstwissenschaft und forstlichen Naturkunde im Jahre 1836 und 1837 nebst Original-Abhandlungen aus dem Gebiete dieser Wissenschaften, Jahrg. 1, Heft 4, p. 642 (specific name of the type species of Leucaspis Signoret 1869) (Insecta, Auchenorrhyncha). Opinion 1401  

pini Linnaeus 1758 [originally in Cimex], Systema Naturae, Ed. 10, vol. 1, p. 448 (specific name of the type species of Rhyparochromus Hahn 1826) (Insecta, Hemiptera). Opinion 676

pini Leach 1827 [originally in Doralis], in Risso, Hist. nat. princip. Prod. Europ. mérid., 5: 217 (a nomen nudum). Opinion 646   

pini Retzius 1783 [originally in Phalaena tinea] (Arthropoda). ICZN 2014: Opinion 2333

pini Linnaeus 1758 [originally in Tenthredo], Systema Naturae, Ed. 10, vol. 1, p. 556 (specific name of the type species of Diprion Schrank 1802) (Insecta, Hymenoptera). Direction 4

piniperda Linnaeus 1758 [originally in Dermestes], Systema Naturae, Ed. 10, vol. 1, p. 355 (specific name of the type species of Tomicus Latreille [1802]) (Insecta, Coleoptera). Opinion 670

pinnata Forsskål 1775 [originally in Salpa], Descr. Anim.: 112 (specific name of the type species of Cyclosalpa Blainville 1827) (Urochordata). Opinion 888 

Pinnaxodes Heller [1865], Reise ‘Novara’ (Zool.), 2(3) (Crust.): 67 (gender: masculine) (type species, through Article 68b(i): Pinnaxodes hirtipes Heller [1865], Reise ‘Novara’ (Zool.), 2(3) (Crust.): 68, pl. 6, figs. 2, 2a) (Crustacea, Decapoda). Opinion 85, Direction 37

Pinnigenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VII (included in a work rejected for nomenclatural purposes). Opinion 427 

Pinnixa White 1846, Ann. Mag. nat. Hist., 18: 177 (gender: feminine) (type species, by monotypy: Pinnotheres cylindricum Say 1818, J. Acad. nat. Sci. Philadelphia, 1(2): 452) (Crustacea, Decapoda). Opinion 85, Direction 37 

pinnophylax Otto 1821 [originally in Palaemon], Consp. Anim. marit. non edit.: 12 (specific name of the type species of Pontonia Latreille 1829) (Crustacea, Decapoda). Opinion 378

Pinnotherelia Milne Edwards & Lucas [1844], in d’Orbigny, Voy. Amérique mérid., 6 (Crust.): 24 (gender: feminine) (type species, by monotypy: Pinnotherelia laevigata Milne Edwards & Lucas [1844], in d’Orbigny, Voy. Amérique mérid., 6 (Crust.): 25) (Crustacea, Decapoda). Opinion 85, Direction 36, Direction 37

Pinnotheres Bosc [1801-1802], in Castel’s Buffon, Hist. nat. Crust., 1: 59, 239 (gender: masculine) (type species, by designation by Latreille 1810 (Consid. gén. Anim. Crust. Arach. Ins.: 422, 96): Cancer pisum Linnaeus 1767, Systema Naturae, Ed. 12, vol. 1, part 2, p. 1039) (Crustacea, Decapoda). Opinion 85, Direction 45 

Pinnotheres Latreille [1802], in Sonnini’s Buffon, Hist. nat. gén. partic. Crust. Ins., 3: 25 (a junior homonym of Pinnotheres Bosc [1801-1802]). Direction 45 

pinnotheroides White 1846 [originally in Xenophthalmus], Ann. Mag. nat. Hist., 18: 178 (specific name of the type species of Xenophthalmus White 1846) (Crustacea, Decapoda). Direction 36 

Pinnularia Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 128 (included in a work rejected for nomenclatural purposes). Opinion 592

Pinuca Hupé 1854, in Gay, Hist. Chile (Zool.), 8: 475 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 941

PINUCIDAE Amor 1965, Physis, 25: 165 (type genus: Pinuca Hupé 1854) (invalid because the name of the type genus has been suppressed under the plenary power). Opinion 941

piperis Kittel 1827 [originally in Aphis], Mém. Soc. linn. Paris, 5: 152 (included in a work rejected for nomenclatural purposes). Opinion 1188

piperita Gray 1825 [originally in Cypraea], Zool. Journal, 1: 498 (Gastropoda). Opinion 1197

Pipistrellus Kaup 1829, Skizzirte Entwickelungs-Geschichte und Natürliches System der Europäischen Thierwelt ... Erster Thiel (welcher die Vogelsäugethiere und Vögel, nebst Andeutung der Enstehung der letzteren aus Amphibien enthält), pp. 98, 188 (gender: masculine) (type species, by monotypy: Vespertilio pipistrellus Schreber 1774) (Mammalia). Opinion 2028

pipistrellus Schreber 1774 [originally in Vespertilio], Die Säugthiere in Abbildungen nach der Natur mit Beschreibungen, vol. 1, p. 167, as defined by the neotype (adult, male specimen no. BMNH 1997.81 from Beauvais Cathedral, Normandy, France) designated under the plenary power (specific name of the type species of Pipistrellus Kaup 1829) (Mammalia). Opinion 2028

piramuta Kner 1858 [originally in Bagrus], Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftlichen Classe, 26: 382 (specific name of the type species of Piramutana Bleeker 1858) (Osteichthyes). Opinion 2208.

Piramutana Bleeker 1858, Acta Societatis Scientiarum Indo-Neèrlandicae, 4: 356, 357 (gender: feminine), type species by monotypy Bagrus piramuta Kner 1858, ruled under the plenary power not to be given priority over the name Brachyplatystoma Bleeker 1862, whenever the two names are considered to be synonyms (Osteichthyes). Opinion 2208.

Piratinga Bleeker 1858, Acta Societatis Scientiarum Indo-Neèrlandicae, 4: 355, 357 (gender: feminine), type species by subsequent designation by Bleeker (1862) Bagrus reticulatus Kner 1858, ruled under the plenary power not to be given priority over the name Brachyplatystoma Bleeker 1862, whenever the two names are considered to be synonyms (Osteichthyes). Opinion 2208

piriformis, when combined with the generic names Glaucoma, Leucophrys or Tetrahymena (an incorrect subsequent spelling for pyriformis Ehrenberg 1830 [originally in Leucophrys]). Opinion 915  

Pirimela Leach [1816], Malac. podophth. Brit. (8): text to pl. 3 (gender: feminine) (type species, by monotypy: Cancer denticulatus Montagu 1808, Trans. linn. Soc. London, 9: 87) (Crustacea, Decapoda). Opinion 73 

pirum Müller 1786 [originally in Kolpoda], Anim. Infus. fluviat. marin.: 108 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 915 

Pisa [Leach 1814], in Brewster’s Edinburgh Ency., 7: 431 (conserved under the plenary power)

pisana Müller 1774 [originally in Helix], Verm. terrestr. fluviat. Hist., 2: 60 (specific name of the type species of Theba Risso 1826) (Gastropoda). Opinion 431

Pisania Bivona 1832, Effem. Sci. Lett. Sicilia, 2: 8 (gender: feminine) (type species, conserved under the plenary power, by designation by Iredale 1915 (Trans. Proc. New Zealand Inst., 47: 464): Pisania striatula Bivona 1832, Effem. Sci. Lett. Sicilia, 2: 8, valid name: Voluta striata Gmelin 1791) (Gastropoda). Opinion 740

Pisaurina Simon 1898, Hist. nat. Araignées, 2: 295 (gender: feminine) (type species, by monotypy: Dolomedes mirus Walckenaer 1837, Hist. nat. Ins., Aptères, 1: 357, 358) (Arachnida). Opinion 1083

piscatorius Linnaeus 1758 [originally in Lophius], Systema Naturae, Ed. 10, vol. 1, p. 236 (specific name of the type species of Lophius Linnaeus 1758) (Osteichthyes). Direction 57

Pischnopoda Tottenham 1939, Proc. roy. entomol. Soc. London (B), 8: 226 (a junior objective synonym of Ischnopoda Stephens 1835). Opinion 600

piscinalis Müller 1774 [originally in Nerita], Verm. terrestr. fluviat. Hist., 2: 172 (Gastropoda). Opinion 336 

piscium Houttuyn [1787] [originally in Ascaris], Anim. Mus. Houtt. Index: 112 (included in a work suppressed under the plenary power for nomenclatural purposes). Opinion 380 

piscivorus Lacepède 1788-1789 [originally in Crotalus], Histoire Naturelle des Serpens, p. 130, ruled under the plenary power to be an available name despite being published in an unavailable work (Reptilia). Opinion 1463  

Pisidia Leach 1820, Dict. Sci. nat., 18: 53 (gender: feminine) (type species, by designation under the plenary power: Cancer longicornis Linnaeus 1767, Systema Naturae, Ed. 12, vol. 1, part 2, p. 1040, as interpreted by the lectotype designated by Holthuis 1962 (Bull. zool. Nomencl., 19: 178, 179)) (Crustacea, Decapoda). Opinion 701

PISIDIADAE Gray 1857, in Turton, Manual land & freshwater Shells brit. Islands (ed. 3): xvi (type genus: Pisidium Pfeiffer 1821) (an incorrect original spelling for PISIDIIDAE Gray 1857). Direction 27  

PISIDIIDAE (correction of PISIDIADAE) Gray 1857, in Turton, Manual land & freshwater Shells brit. Islands (ed. 3): xvi (type genus: Pisidium Pfeiffer 1821) for use by those who consider that Pisidium Pfeiffer and Sphaerium Scopoli 1777 belong to different family-group taxa (Bivalvia). Direction 27

Pisidium Pfeiffer 1821, Naturgesch. deutsch. Land.-u. Süssw.-Moll., 1: 17, 123 (gender: neuter) (type species, by designation by Gray 1847 (Proc. zool. Soc. London, 15: 185): Tellina amnica Müller 1774, Verm. terrestr. fluviat. Hist., 2: 205) (Bivalvia). Opinion 335 

PISINAE Dana 1851, Amer. J. Sci. Arts, (2)11: 428 (type genus: Pisa [Leach 1814]) (Crustacea, Decapoda). Opinion 708

Pisitoe Rafinesque 1814, Précis Découv. somiol.: 25 (a junior objective synonym of Phronima Latreille [1802]). Opinion 1133  

pisonis Gmelin [1789] [originally in Gobius], in Linnaeus, Systema Naturae, Ed. 13, vol. 1, part 3, p. 1206 (specific name of the type species of Eleotris Schneider 1801) (Osteichthyes). Direction 57

pisorum Linnaeus 1758 [originally in Dermestes], Systema Naturae, Ed. 10, vol. 1, p. 356 (specific name of the type species of Bruchus Linnaeus 1767) (Insecta, Coleoptera). Opinion 1809 

Pistella Müller 1764, Fauna insectorum Fridrichsdalina, p. xiii (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 1754

pisum Linnaeus 1767 [originally in Cancer], Systema Naturae, Ed. 12, vol. 1, part 2, p. 1039 (specific name of the type species of Pinnotheres Bosc [1801-1802]) (Crustacea, Decapoda). Direction 45  

pitcheri Morton 1834 [originally in Gryphaea], Synopsis of the organic remains of the Cretaceous group of the United States, p. 55 (Bivalvia). Opinion 1635

Pithecia Desmarest 1804, Nouv. Dict. Hist. nat., 24 (Tab.): 8 (gender: feminine) (type species, by absolute tautonymy: Simia pithecia Linnaeus 1766, Systema Naturae, Ed. 12, vol. 1, part 1, p. 40) (Mammalia). Opinion 122

pithecia Linnaeus 1766 [originally in Simia], Systema Naturae, Ed. 12, vol. 1, part 1, p. 40 (specific name of the type species of Pithecia Desmarest 1804) (Mammalia). Direction 22

Pithecops Horsfield [1828], Descr. Cat. lep. Ins. Mus. East India Coy. (1): 66 (gender: masculine) (type species, by designation under the plenary power: Pithecops corax Fruhstorfer [1919], Arch. Naturgesch., 83, sect. A.1 (1917): 79) (Insecta, Lepidoptera). Opinion 822  

Pithecus Cuvier 1800, Leçons Anat. comp., 1: Tab. 1 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Direction 24  

Pithecus Geoffroy Saint-Hilaire & Cuvier 1795, Mag. Encyclop., 3(12): 462 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Direction 24

Pithecus Geoffroy Saint-Hilaire 1812, Ann. Mus. Hist. nat., Paris, 19: 87 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Direction 24