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Type genus: Philonesia Sykes, 1900
Remarks: Original spelling Philonesiae.
Philopotamidinae Stäche, 1889 [1 December]
Reference: Abhandlungen der Kaiserlich-
Königlichen Geologischen Reichsanstalt,
13(1): 107
Type genus: Philopotamis Layard, 1855
Remarks: Established [as Philopotamldae] as a
subfamily of Melaniidae, despite use of suffix
-idae. Philopotamidae [Trichoptera] is based
on the genus Philopotamus Curtis, 1834.
Pholidotominae Cossmann, 1896 [December]
Reference: Essais de paléoconchologie comparée,
2: Q^, 112
Type genus: -\Pholidotoma Cossmann, 1896
Remarks: -idae, Bouchet, herein [in place of
Pyrifusidae, over which it has priority].
Phoridae Gray, 1840 [16 October]
Reference: Synopsis of the contents of the
British Museum, ed. 42: 119
Type genus: P/7oms Montfort, 1810
Remarks: Homonym of Phoridae Newman,
1835, based on Phora Latreille, 1796
[Díptera]. See Xenophoridae.
Phosinellinae Coan, 1964 [1 January]
Reference: The Veliger, 6(3): 165, 169
Type genus: Phosinella Mörch, 1876
Photinae Gray, 1857 [9 May]
Reference: Guide to the systematic distribution
of Mollusca in the British Museum. Part I: 17
Type genus: P/70S Montfort, 1810
Remarks: Original spelling Phosina. -idae,
Kobelt(1881 [in 1881-1883]: 1).
Phyllidiidae Rafinesque, 1814
Reference: Précis des découvertes et travaux
somiologiques de Mr . S. Rafinesque-
Schmalz entre 1800 et 1814: 42
Type genus: Phyllidia Cuvier, 1797
Remarks: Original spelling (family) Phyllidia.
First established by Lamarck (1801: 64;
1809: 320), as "Les Phyllidiens" and "Les
phyllidéens" (vernacular), which was latinized
[as Phyllidiana] by Children (1823 [in
1822-1824]: 223). The name Phyllidiidae is
now prevailingly attributed to Rafinesque,
and not to Lamarck, -inae, Swainson (1840:
358); -oidea, Vaught (1989: ix, 70).
Phylliroidae Menke, 1830
Reference: Synopsis methodica molluscorum,
ed.2:9
NOMENCLÁTOR OF GASTROPOD FAMILIES 131
Type genus: Phylliroe Péron & Lesueur, 1810
Remarks: Original spelling Phyllirrhoëa, based
on Phyllirhoe, an incorrect subsequent spell-
ing of Phylliroe. First established as "les
Phyllirhoées" (vernacular) by Férussac
(1822 [in 1821-1822]: XXV).
Phyllobranchia Latreille, 1824 [November]
Reference: Annales des Sciences Naturelles,
3: 327, and table between pp. 334-335
Remarks: Original spelling "Phyllobranches"
(vernacular). Latinized by Latreille (1825:
175). Established as a family and not available
as such (not based on a genus).
Phyllobranchidae Bergh, 1871 [10 July]
Reference: Malakologische Untersuchungen,
[in Semper] Reisen im Archipel der Philippinen,
Theil 2, Wissenschaftliche Resultate,
Band 2, Theil 1 , Heft 2: 49
Type genus: Phyllobranchus A\der & Hancock,
1864
Remarks: Invalid: type genus a junior homonym
of Phyllobranchus Girard, 1851 [An-
nelida]. See Phyllobranchillidae.
Phyllobranchillidae Risbec, 1953
Reference: Faune de l'Union Française, 15:
165
Type genus: Phyllobranchillus Pruvot-Fol,
1933
Remarks: Introduced as a replacement name
for Phyllobranchidae, which is invalid because
of its type genus is a junior homonym.
Phyllodesmiinae Thiele, 1931 [before 31 Oc-
tober]
Reference: Handbuch der systematischen
Weichtierkunde, 1(2): 459
Type genus: Phyllodesmium Ehrenberg, 1831
Remarks: -idae / -oidea [as -acea], Risso-
Dominguez (1964: 227).
Phymatopleuridae Batten, 1956 [8 March]
Reference: Journal of the Washington Academy
of Sciences, 46(2): 42
Type genus: -tPhymatopleura Girty, 1939
Physastrinae Starobogatov, 1958 [after 25
December]
Reference: Biulleten' Moskovskogo Obshchestva
Ispytatelei Prirody, Otdel Blologicheskii,
new ser., 63(6): 50, 52
Type genus: Physastra Tapparone Canefri,
1883
Remarks: -ini [as -eae], Zilch (1959 [in 1959-
1960]: 107).