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Chuchlinidae Fryda & Bändel, 1997
Reference: Mitteilungen aus dem Geologisch-
Paläontologischen Institut der Universität
Hamburg, 80: 38
Type genus: -[Chuchlina Fryda & Manda, 1997
CiLiELLiNi Schileyko, 1 970 [after 7 September]
Reference: Zoologicheskii Zhurnal, 49(9);
1307
Type genus: Ciliella Mousson, 1872
Remarks: -inae, Schileyko (1 972: 41 ).
CiMiDAE Waren, 1993 [30 December]
Reference: Sarsia, 78(3-4): 192
Type genus: Cima Chaster, 1896
CiNGULiNAE Keen, 1971 [1 September]
Reference: Sea shells of tropical West America,
ed. 2: 371
Type genus: Cingula Fleming, 1818
Remarks: Not available (no diagnosis) from
Coan(1964: 165, 167).
CiNGULiNiNAE Saurin, 1959
Reference: Annales de la Faculté des Sciences
de Saigon, (1959): 273
Type genus: Cingulina A. Adams, 1860
Remarks: -ini, Bouchet, herein [for consistency
of ranking].
CiNGULOPsiDAE Fretter & Patil, 1958 [Decem-
ber]
Reference: Proceedings of the Malacological
Society of London, 33(3): 124
Type genus: Cingulopsis Fretter & Patil, 1958
Remarks: -oidea, Ponder (1988: 136). See
alsoCoriandriidae.
CioNELLiDAE L. Pfeiffer, 1879
Reference: Nomenclátor heliceorum viventium:
329
Type genus: Cionella Jeffreys, 1830
Remarks: Ohginal spelling (family) Cionellida.
-oidea, H. B. Baker (1956a: 131). See Co-
chlicopidae.
CiRCiNARiiDAE Pilsbry, 1896 [8 December]
Reference: [in Pilsbry & Rhoads] Proceedings
of the Academy of Natural Sciences of Philadelphia,
48: 488
Type genus: Circinaria Beck, 1837
Remarks: Pilsbry and his contemporaries used
Circinaria in the sense of Haplotrema, and Cir-
cinariidae was introduced to replace Seleniti-
dae, invalid because its type genus is a junior
homonym. However, H. B. Baker (1930d: 405)
noted that an overlooked designation
BOUCHET&ROCROI
(by Herrmannsen) of Helix pulchella Müller,
1 774, as type species of Circinaria, made it a
synonym of Vallonia Risso, 1 826, and thus Circinahidae
a synonym of Valloniidae. Formally,
the case should be referred to the Commis-
sion under Art. 41, but Circinariidae is not in
current use and the classification has now been
stabilized with the name Haplotrematidae used
instead of Circinariidae sensu Pilsbry.
CiRcuLiDAE Fretter & Graham, 1962
Reference: British prosobranch molluscs: 642
Type genus: C/rcu/L/s Jeffreys, 1865
Remarks: Available through reference to Fret-
ter (1 956: 381 ), who provided a diagnosis,
-inae, Waren, herein.
CiRRiDAE Cossmann, 1916 [July]
Reference: Essais de paléoconchologie comparée,
10: 197
Type genus: -fCirrus J. de Sowerby, 1816
Remarks: -inae / -oidea, Bändel (1 993a: 41 , 44).
CiRSOTREMATiNAE Joussoaumo, 1912 [14 Au-
gust]
Reference: Mémoires de la Société Zoologique
de France, 24(3-4): 234, 244
Type genus: Cirsotrema Mörch, 1852
Remarks: Original spelling Cirsotreminae.
CisTULiNAE L. Pfeiffer, 1858 [after May]
Reference: Monographia pneumonoporum
viventium, Suppl. 1: 130
Type genus: Cistula Gray, 1850
Remarks: Original spelling (subfamily) Cis-
tulea. -idae, Kobelt & Möllendorff (1898 [in
1897-1899]: 185). H. B. Baker (1956b: 30)
demonstrated that Pfeiffer used Cistula in a
sense different from Gray, and Art. 41 should
probably be applied.
CiSTULOPSiNAE H. B. Baker, 1924 [15 January]
Reference: The Nautilus, 37(3): 89
Type genus: Cistulops H. B. Baker, 1924
Remarks: -ini [as -eae], Thiele (1 929 [in 1 929-
1935]: 130).
Cladohepatica Bergh, 1884
Reference: Report on the scientific results of
the voyage ofH. M. S. Challenger Zoology,
10:2
Remarks: Original spelling Kladohepatica,
emended to Cladohepatica by Bergh (1892:
169). Established as an order. Treated by
Thiele (1926 [in 1925-1926]: 112) as a
"Sippe" [= superfamily] and not available as
such (not based on a genus).