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AcAviNAE Pilsbry, 1895 [2 February]
Reference: Manual of conchology, ser. 2,
9(33a): xxxii, xxxiv
Type genus: Acavus Montfort, 1810
Remarks: -idae, Möllendorff (1898: 80); -oidea
[as -acea], Thiele (1926: 144).
AcELLiNAE Hannibal, 1912 [29 June]
Reference: Proceedings of the Malacological
Society of London, 10(2): 138
Type genus: /Ace//a Haldeman, 1841
Acera / AcERiDAE Latreille, 1824 [November]
Reference: Annales des Sciences Naturelles,
3: 327, and table between pp. 334-335
Remarks: Original spelling "Aceres" (vernacu-
lar). Latinized [as Acera] by Latreille (1825:
177), and [asAceridae] by de Kay (1843: 14).
Established as a family containing the gen-
era "Bullée", "Bulle", "Sormet" and "Doridie".
"Aceres" appears to be a descriptive term
opposed to "Dicères" and "Tétracères". Not
available as a family-group name (not based
on a genus). See also Akeridae.
AcHATiNELLiNAE Guück, 1873 [June]
Reference: Proceedings of the Zoological
Society of London, (1873[1]): 89
Type genus: Achatinella Swainson, 1828
Remarks: -idae, Kobelt (1880 [in 1876-1881]:
292); -oidea [as -acea], Thiele (1926 [in
1925-1926]: 138); -ini, Cooke & Kondo
(1961: 271). Placed on the Official List by
Opinion 2017 (2003: 61).
AcHATiNiNAE Swainson, 1840 [May]
Reference: A treatise on malacology, 1 61 : 334
Type genus: Achatina Lamarck, 1799
Remarks: Original spelling (subfamily) Acha-
tinae. -idae [as -ida], Clessin (in L. Pfeiffer,
1880 [in 1878-1881]: 260, 420); -oidea [as
-acea], Thiele (1926 [in 1925-1926]: 140).
See also Ampullidae.
AcicuLiDAE Gray, 1850 [after 12 February]
Reference: Figures ofmolluscous animals, 4: 1 21
Type genus: /Ac/cu/a Hartmann, 1821
Remarks: Original spelling Aciculadae. Placed
on the Official List by Opinion 344 (1955:
317), but credited in error to S. P. Woodward
(1854 [in 1851-1856]: 178). -oidea, Golikov
& Starobogatov (1975: 211,217).
AciDAE Gray, 1853 [February]
Reference: Annals and Magazine of Natural
History, ser. 2, 11: 129
Type genus: Acus Gray, 1847
BOUCHET&ROCROI
Remarks: Original spelling Acusidae. Invalid:
Type genus a junior homonym of Acus
Müller, 1774 [Pisces], and Acus Swainson,
1839 [Pisces].
AciRsiNAE Cossmann, 1912 [August]
Reference: Essais de paléoconchologie comparée,
9: 19
Type genus: Acirsa Mörch, 1857a
Remarks: -idae, Golikov & Starobogatov
(1975:215).
AcLEiopROCTAOdhner, 1939 [26 August]
Reference: Det Kongelige Norske Videnskabers
Selskabs Skrifter, 1939(1 ): 50, 52
Remarks: Established as a "tribe" [below suborder,
above family]. Treated as superfamily
by Baba (1955: 5) and by Higo & Goto
(1993:439[asAcleioproctoidea]). Not available
as a family-group name (not based on
a genus).
AclididaeG. O. Sars, 1878
Reference: Mollusca regionis arcticae Norvegiae:
1 95
Type genus: Aclis Lovén, 1846
Remarks: Original spelling Aclidae. Spelling
Aclisidae also encountered, e.g., in Cossmann
(1912: 102). -oidea, Golikov & Starobogatov
(1975: 214).
AcMAEiDAE Forbes, 1850
Reference: Report of the 19th meeting of the
British Association for the Advancement of
Science {Birmingham, 1849). Notices and
abstracts of communications, 76
Type genus: Acmaea Eschscholtz, 1 833
Remarks: Original spelling Acmaeadae. Placed
on the OfHcial List by Opinion 344 (1955: 317),
but credited in error to Carpenter (1 857: 202).
-inae, Pilsbry (1891 [in 1891-1892]: 6, 7);
-oidea, Angerer & Haszprunar (1 995: 1 75).
AcMEiDAE Pollonera, 1905 [4 December]
Reference: Bollettino del Musei di Zoología ed
Anatomía Comparata délia Reale Università
di Torino, 20{5^7).^
Type genus: Acme Hartmann, 1821
Remarks: Spelled Acmidae by Kobelt (1908:
156). Both Acmeidae and Acmidae placed
on the Official Index by Opinion 344 (1955:
317). -inae, Thiele (1925: 80).
AcocHLiDiiDAE Küthe, 1935 [7 June]
Reference: Zoologische Jahrbücher, Abt. für
Systematik, Ökologie und Geographie der
Thiere, 66(6): 539