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Type genus: Sophina Benson, 1859
Remarks: -ini, Schileyko (2003 [in 1998-2003]:
1309).
Spanionematidae Golikov & Starobogatov, 1987
[after 23 October]
Reference: Vsesoiuznoe soveshchanie po
izucheniiu molliuskov, 8: 25
Type genus: '\Spanionema Whidborne, 1891
Remarks: -oidea, same reference.
Speightiidae Powell, 1942 [15 July]
Reference: Bulletin of the Auckland Institute
and Museum, 2: 166
Type genus: -fSpeightia Finlay, 1926
Spekiidae Ancey, 1 906 [30 June]
Reference: Bulletin Scientifique de la France
et de la Belgique, 40: 246
Type genus: Spekia Bourguignat, 1879
Remarks: -inae [declared new], Bändel (1998:
265); -ini, Bouchot & Strong, herein.
Spelaeoconchinae a. J. Wagner, 1928 [May]
Reference: Annales Zoologicae Musei Polonici
Historiae Naturalis, 6(4): 318
Type genus: Spelaeoconcha Sturany, 1901
Remarks: -idae, Hausdorf & Bouchot, herein.
Spelaeodiscinae Steenberg, 1925 [18 June]
Reference: Videnskabelige Meddelelser fra
Dansk Naturhistorisk Forening i Kjobenhavn,
80: 202
Type genus: Spe/aeod/scus Brusina, 1886
Remarks: Established independently by Hudec
(1970: 35). -idae, Schileyko (1984: 5).
Sphaerocinidae Janssen & Maxwell, 1995 [af-
ter 30 October]
Reference: [in Janssen] Museo Regionale di
Scienze Naturali. Torino, Monografie 17: 158
Type genus: -fSphaerocina Jung, 1971
Sphaerodomidae Bändel, 2002 [October]
Reference: Mitteilungen aus dem Geologisch-
Paläontologischen Institut, Universität Hamburg,
86: 166
Type genus: -\Sphaerodoma Keyes, 1889
Sphaerostomatidae Locard, 1886
Reference: Prodrome de malacologie
française. Catalogue général des mollusques
vivants de France. Mollusques marins: 39
Type genus: Sphaerostoma Macgillivray, 1843
Remarks: Original spelling Sphaerostomidae.
Invalid: type genus a junior homonym of
Sphaerostoma Rudolphi, 1809 [Vermes].
NOMENCLÁTOR OF GASTROPOD FAMILIES 161
Sphincterochilinae Zilch, 1960 [15 August] (1910)
Reference: Handbuch derPaläozoologie, 6(2):
663
Type genus: Sphincterochila Ancey, 1887
Remarks: Established implicitly, but not explicitly,
as a substitute name for Albeidae, based
on Albea Pallary, 1910, by Zilch treated asa
subgenus of Sphincterochila. Sphincterochilidae
is conserved under Art. 40.2 and takes
the precedence of Albeidae. -idae, Forcart
(1965a: 124); -oidea [as -acea], Forcart
(1972: 161). See also Leucochroidae.
Spinigeridae Korotkov, 1992 [after 10 August]
Reference: Paleontologicheskii Zhurnal,
1992(3): 98
Type genus: -[Spinigera d'Orbigny, 1850
Remarks: Invalid: type genus a junior homonym
oiSpinigera Lesson, 1842 [Mammalia].
Spiratellidae Dall, 1921 [24 February]
Reference: United States National Museum
Bulletin, 112:58
Type genus: Splratella Blainville, 1817
Remarks: -oidea [as -acea], Wenz (1938 [in
1938-1944]: 49).
Spiraxinae H. B. Baker, 1939 [21 July]
Reference: The Nautilus, 53(1): 9
Type genus: Spiraxis . Adams, 1850
Remarks: -idae, H. B. Baker (1955: 111).
Spirialidae Chenu, 1859
Reference: Manuel de conchyliologie et de
paléontologie conchyliologique, (1 ): 113
Type genus: Spinalis Eydoux & Souleyet, 1840
Spiropeniata Berthold, 1991
Reference: Abhandlungen des Naturwissen-
schaftlichen Vereins in Hamburg, new ser.,
29:207,210
Remarks: Family-group name established at
rank below tribe. Not available: not based
on a genus.
Spirostomatinae Tielecke, 1940 [15 August]
Reference: Archiv für Naturgeschichte, new
ser., 9(3): 365
Type genus: Spirostoma Heude, 1885
Remarks: -idae, Golikov & Starobogatov
(1975:210).
Spirostylidae Cossmann, 1909 [April]
Reference: Essais de paléoconchologie comparée,
8: 72
Type genus: tSpirostylus KittI, 1894
Remarks: Original spelling Spirostylinidae.