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Type genus: Pedinogyra A\bers, 1860
Remarks: -oidea, Iredale (1942: 35).
Pedipedinae p. Fischer & Crosse, 1880
Reference: Mission scientifique au Mexique
et dans l'Amérique Centrale. Recherches
zoologiques (7), 2(8): 5
Type genus: Pedipes Férussac, 1821
Pedumicrinae Iredale & Laseron, 1957 [8 May]
Reference: Proceedings of the Royal Zoological
Society of New South Wales, 1955-
1956:98, 104
Type genus: Pedumicra Iredale & Laseron,
1957
Remarks: Precedence of simultaneously published
Ctiloceratidae determined by Art. 24
(family vs. subfamily). See also Parastrophi-
inae.
Pelagiellidae Knight, 1956 [8 March]
Reference: Journal of the Washington Academy
of Sciences, 46(2): 42
Type genus: tPelagiella Matthew, 1895
Remarks: No diagnosis. Diagnosed and -oidea
[as -acea]. Knight, Batten & Yochelson (in
Moore, 1960: 323); also diagnosed by Pch-
elintsev & Korobkov (1960: 65).
Peloridae W. Clark, 1851 [June]
Reference: Annals and Magazine of Natural
History, ser. 2, 7: 472
Remarks: Established as a family including the
genera Scalaria, lanthina, Natica, Lamellaria,
and Velutina. Not available: not based on
a genus [Pelons Poli, 1791 is a bivalve].
Again declared new by Clark (1853: 45).
Pelseneeriidae Schwanwitsch, 1917
Reference: Zoologicheskii Vestnik, 2: 140
Type genus: Pelseneeria Koehler & Vaney,
1908
Remarks: Original spelling Pelseneeridae.
Peltatinae Godwin-Austen, 1912 [January]
Reference: The Annals and Magazine of Natural
History, ser. 8, 9: 124
Type genus: Pe/íaíüs Godwin-Austen, 1908
Remarks: See Sheldoniinae.
Peltellinae Gray, 1855 [14 April]
Reference: Catalogue of Pulmonata or airbreathing
Mollusca in the collection of the
British Museum. Parti: 155, 179
Type genus: Peltella Gray, 1855
Remarks: Original spelling (tribe) Peltellina.
The name of the type genus is generally at-
BOUCHET&ROCROI
tributed to Webb & van Beneden (1 836), but
these authors introduced it as a nomen nudum,
for the American species of Parmacella,
without a diagnosis, and without any
included species cited by name. Gray first
established it as an available name.
Peltidae Vayssière, 1885
Reference: Annales du Musée d'Histoire Naturelle
de Marseille. Zoologie, 2(3): 104
Type genus: Pelta Quatrefages, 1844
Remarks: Invalid: placed on the Official Index
by Opinion 811 (1967: 89), but credited in
error to Winckworth (1 931 : 267).
Peltospiridae McLean, 1989 [3 January]
Reference: Zoológica Scripta, 18(1): 50
Type genus: Peltospira McLean, 1989
Remarks: -oidea [as -acea], same reference.
Pelycidiidae Ponder & S. Hall, 1983 [31 Janu-
ar/]
Reference: The Nautilus, 97(1): 30
Type genus: Pelycidion P. Fischer, 1873
Remarks: -inae, Bouchet & Le Renard, herein.
Pendromidae Waren, 1991 [7 July]
Reference: Sarsia, 76(1-2): 68
Type genus: Pendroma Dali, 1927
Pentaptyxidae Lyssenko, 1981 [after 21 May]
Reference: Paleontologicheskii Sbornik, 18: 23
Type genus: -\Pentaptyxis Pchelintsev, 1965
Remarks: Not available: no diagnosis. Not
available from Lyssenko (1984: 16; no diag-
nosis), nor from Lyssenko & Aliev (1 990: 1 07;
no diagnosis).
Pentataeniidae Mörch, 1864
Reference: Videnskabelige Meddelelser fra
den Naturhistorisk Foren ing i Kjöbenhavn,
17-22 (for 1863): 286
Type genus: Pentataenia Schmidt, 1855
Remarks: Original spelling (family) Pentataeniae.
-inae, Gottschick (1920: 49). Schmidt
(1855: 11, 18) is generally credited as author
of this family-group name; however, he only
mentions a "Gruppe Pentataenia" (for various
species of Helix), in the same way as he
mentions a "Gruppe Campylaea", a "Gruppe
Fruticicola" , etc., thus indicating genus-group.
PERACLiDAETesch, 1913 [June]
Reference: Das Tierreich, 36: 71
Type genus: Peracle Forbes, 1844
Remarks: Original spelling Peraclididae. -oidea
[as -acea], Wenz (1938 [in 1938-1944]: 49).