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170 BOUCHET&ROCROI
Sympterus, and Dolabella. Established perhaps
independently by Blainville (1816a: 52)
as family "les Tétracères" (vernacular) [latinized
as Tetracerata by Blainville (1825:
484), including the genera Glaucus, Laniogerus,
Tergipes, Cavolina, and Eolida]. Not
available as a family-group name (not based
on a genus).
Tetraspididae Hagenmüller, 1885 [December]
Reference: Bulletins de la Société Malacologique
de France, 2: 303
Type genus: reirasp/s Hagenmuller, 1885
Tetrentodontinae Bartsch, 1943 [25 February]
Reference: Proceedings of the Biological Society
of Washington, 56: 31
Type genus: Tetrentodon PWsbry, 1903
Remarks: Original spelling Tetrentodoninae.
Name only, no diagnosis. Short diagnosis,
but name not treated as valid, by Zilch (1960
[in 1959-1960]: 539). Diagnosed and de-
clared again nov. subfam. by Jaume & de la
Torre (1972a: 1528).
Textiliinae da Motta, 1995 [after May]
Reference: World shells, 13: 23
Type genus: Textilia Swainson, 1840
Remarks: Original spelling Textilinae. Da Mot-
ta "designated Cylindrus [sic! = Cylinder]
Montfort, 1810, as the type genus" of the new
subfamily, with Textilia being implicitly treated
as a synonym. This is in violation of Art.
11.7.1.1 stating that a family-group name must
be based on a generic name then used as
valid in the new family-group taxon, and Textiliinae
is thus not an available name.
Thaanumellinae Clench, 1946 [12 June]
Reference: Occasional Papers of Bernice P.
Bishop Museum, 18(13): 199
Type genus: Thaanumella C\er\ch, 1946
Thaididae Jousseaume, 1888
Reference: Mémoires de la Société Zoologique
de France, 1 : 1 79
Type genus: T"/7a/s Röding, 1798
Remarks: Original spelling Thaisidae. Placed
on the Official List by Opinion 886 (1 969: 128),
but attributed in error to Suter (1913: 420).
Opinion 886 also ruled that the name Purpu-
ridae is not to be given precedence over Thai-
didae. Senior homonym of Thaidinae Kirby,
1896, invalid because it is based on Thais
Fabricius, 1807 [Lepidoptera], a junior homonym
of Thais Röding, 1798. -inae, Sabelli et
al. (1990: 39, 204). See also Nucellidae.
Thalassocyonidae F. Riedel, 1995 [before Au-
gust]
Reference: Zoologische Jahrbücher, Abt. für
Systematik, Ökologie und Geographie der
Tiere, ^2^ (4): 457, 469
Type genus: T/?a/assocyon Barnard, 1960
Remarks: Original spelling Thalassocynidae.
Thapsiinae C. Boettger, 1963
Reference: Zoologischer Anzeiger, Supplementband
26: 436
Type genus: Thapsia A\bers, 1860
Remarks: Not available: no diagnosis.
Thatcheriidae Powell, 1942 [15 July]
Reference: Bulletin of the Auckland Institute
and Museum, 2: 167
Type genus: Thatcheria Angas, 1877
Remarks: -inae, Ponder & Waren (1 988: 307).
Thebini Wenz, 1 923 [27 April]
Reference: Fossilium Catalogus, I, Pars 18: 381
Type genus: Theba Risso, 1826
Remarks: Original spelling (tribe) Thebea.
Wenz treated Helix cartusiana Müller as the
type species of Theba, but Lindholm (1 927a:
119) showed Helix pisana O. F. Müller, 1774,
to be an earlier type designation. This
changed the concept of Theba and, as a consequence,
Wenz (1 930 [in 1 923-1 930]: 3027)
substituted Thebini with Monachini (see that
name), -inae, Germain (1928: 268), is based
on the concept of Theba with Helix cartusiana
as type species. Opinion 431 (1956: 347)
placed Theba on the Official List with Helix
pisana as type species. Accepting this, Schileyko
(1972: 41) used Thebinae as a valid
subfamily, attributing it to Wenz. This view was
rejected by Nordsieck (1987: 38, footnote 20),
who treated Euparyphini as the valid name
for the family-group containing Theba. An
application to place Thebini on the Official List,
with the ruling that the type species of the
type genus is Helix pisana, has been submit-
ted to the ICZN (Bouchet & Rocroi, 2004).
Thecosomata Blainville, 1824
Reference: Dictionnaire des Sciences Naturel-
les, 32:27 ^
Remarks: Established as a family and not available
as such (not based on a genus). See
higher category list.
Theodoxinae Bändel, 2001
Reference: Mitteilungen aus dem Geologisch-
Paläontologischen Institut der Universität
Hamburg, 85: 70