28 



FAMILY-GROUP NAMES 



PHYMATEIDAE (correction of PHYMATIDAE) Burmeister, 

 1840, Z. Entomol. (Germar) 2 (1) : 45, 46 (type genus: 

 Phymateus Thunberg, 1815) ruled under the plenary powers 

 not to be given priority over PYRGOMORPHIDAE Brunner von 

 Wattenwyl, 1874 (Insecta, Orthoptera) 0. 969 



PHYMATOCERATINAE (correction of PHYMATOIDAE) Hyatt, 

 1867, Bull. Mus. comp. Zoo/. 1 (5): 88 (type genus: 

 Phymatoceras Hyatt, 1867) (Cephalopoda) 0. 575 



PHYMATOIDAE Hyatt, 1867, Bull. Mus. comp. Zoo/. 1 (5) : 

 88 (type genus : Phymatoceras Hyatt, 1 867) (an incorrect 

 original spelling for PHYMATOCERATIDAE Hyatt, 1867) 0. 575 



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 



PIERIDAE (correction under the plenary powers of PIERIDES) 

 Duponchel, [1835], in Godart, Hist. not. Lepid. France, 

 Suppl. 1 : 381 (type genus: Pieris Schrank, 1801) ruled 

 under the plenary powers to be given precedence over COLIAD- 

 INAE Swainson, 1827 by those who believe their type genera 

 lie in the same family-group taxon (Insecta, Lepidoptera) 0. 

 500, Direction 112 



PIERIDES Duponchel, [1835], in Godart, Hist. not. Lepid. 

 France, Suppl. 1 : 381 (type genus : Pieris Schrank, 1801) 

 (an incorrect original spelling for PIERIDAE Duponchel, 

 [1835]) 0. 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 powers for the purposes 

 of the Principle of Priority but not for those of the Principle 

 of Homonymy) 0. 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) 0. 500 



PILUMNIDAE Samouelle, 1819, Entomol. useful Compen- 

 dium : 86 (type genus : Pilumnus Leach, 1815) ruled under 

 the plenary powers 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 family-group taxa (Crustacea, Decapoda) 0. 423 



PINUCIDAE Amor, 1965, Physis 25 : 165 (type genus: 

 Pinuca Hupe, 1854) (invalid because the name of the type 

 genus has been suppressed under the plenary powers) 0. 941 



PISIDIADAE Gray, 1857, in Turton, Manual land & fresh- 

 water 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, 1 777 

 belong to different family-group taxa (Bivalvia) Direction 

 27 



PISINAE Dana, 1851, Amer. J. Sci. Arts (2) 11 : 428 (type 

 genus : Pisa [Leach, 1814]) (Crustacea, Decapoda) 0. 708 

 (original entry corrected) 



PLAGUSIINAE (correction of PLAGUSINAE) Dana, 1851, Proc. 

 Acad. not. Sci. Philadelphia 5 : 247, 252 (type genus : 

 Plagusia Latreille, 1804) (Crustacea, Decapoda) 0. 712 



PLAGUSINAE Dana, 1851, Proc. Acad. not. Sci. Philadelphia 

 5 : 247, 252 (type genus: Plagusia Latreille, 1804) (an 

 incorrect original spelling for PLAGUSIINAE Dana, 1851) 

 712 



PLANORBINAE Gray, 1 840, in Turton, Manual land & fresh- 

 water Shells brit. Islands (ed. 2) : 256 (type genus : 

 Planorbis Miiller, 1774) (Gastropoda) Direction 27 



PLATYCHOEROPIDAE Lydekker, 1887, Cat. Foss. Mamm. 

 Brit. Mus. (not. Hist.) 5 : 3 (type genus : Platychoerops 

 Charlesworth, 1855) ruled under the plenary powers not to 

 be given priority over PLESIADAPIDAE Trouessart, 1 897 by 

 those who regard both as denoting the same taxon (Mam- 

 malia) 0. 1123 



PLATYPTERICIDAE [sic] Stephens, 1829, Nomencl. Brit. 

 Ins. : 45 (type genus: Platypteryx Laspeyres, 1803) (a 

 junior objective synonym of DREPANIDAE Boisduval, [1828]) 

 0.610 



PLATYSTOMATIDAE Schiner, 1862 (as PLATYSTOMINAE), 

 W, ten. entomol. Monatschr. 6:151 (type genus : Plat y stoma 

 Meigen, 1803) ruled under the plenary powers to be given 

 precedence over ACHIIDAE Fleming, 1821 whenever Platys- 

 toma Meigen, 1 803 and Achias Fabricius, 1 805 are placed 

 in the same family-group taxon (Insecta, Diptera) 0. 1142 



PLESIADAPIDAE Trouessart, 1897, Cat. Mamm. 1 : 75 (type 

 genus : Plesiadapis Gervais, 1 877) ruled under the plenary 

 powers to be given precedence over PLATYCHOEROPIDAE 

 Lydekker, 1887 by those who regard both as denoting the 

 same taxon (Mammalia) 0. 1123 



PLETHODIDAE Loomis, 1900, Palaeontographica 46 : 229 

 (type genus : Plethodus Dixon, 1850) (Osteichthyes) 0. 921 



PLETHODONTIDAE Gray, 1850, Cat. Amphibia Brit. Mus. 

 II, Batrachia gradientia : 31 (type genus: Plethodon 

 Tschudi, 1838) (Amphibia) 0. 921 



PLETHODONTIDAE Hay, 1929, 2nd. Bibliography & Cat. 

 Foss. Verts. N. Amer. 1 : 736 (type genus : Plethodus Dixon, 

 1850) (an incorrect subsequent spelling for PLETHODIDAE 

 Loomis, 1900) 0. 921 



PLEURACANTHITIDAE Hyatt, 1900, in Zittel's Textb. 

 Palaeont. (ed. C.R. Eastman) : 568 (type genus : Ple- 

 uroacanthites Canavari, 1883) (an incorrect original spelling 

 for PLEUROACANTHITIDAE Hyatt, 1900) 0. 575 



PLEUROACANTHITIDAE (correction of PLEURACANTHI- 

 TIDAE) Hyatt, 1900, in Zittel's Textb. Palaeont. (ed. C.R. 

 Eastman) : 568 (type genus : Pleuroacanthites Canavari, 

 1883) (Cephalopoda) 0. 575 



PLEURONECTIA Rafinesque, 1815, Analyse Nature : 83 

 (type genus: Pleuronectes Linnaeus, 1758) (an incorrect 

 original spelling for PLEURONECTIDAE Rafinesque, 1815) 

 Direction 33 



PLEURONECTIDAE (correction by Bonaparte, [1832] 

 (Saggio Distrib. met. Anim. Vert. : 96, 117) of PLE- 

 URONECTIA) Rafinesque, 1815, Analyse Nature : 83 (type 

 genus : Pleuronectes Linnaeus, 1758) (Osteichthyes) Direc- 

 tion 33 



