Turgenitubulus aslini G.A. Solem, 1985 Australia, Ningbing Ranges
Trachia asperella (L. Pfeiffer, 1846) Sri Lanka
Glyptorhagada asperrima C. Hedley, 1905 South Australia
Austrochloritis astaeus G.P.L.K. Gude, 1906 Australia, Cook
Amplirhagada astuta T. Iredale, 1939 Australia, Molema Island
Planispira atacta (L. Pfeiffer, 1861) Moluccas20 mm
Discoconcha atalanta (W.J. Clench, 1933)
Chloritis athrix (O.F. von Möllendorff,1901) Vietnam, Tonkin
Amplirhagada atlantis F. Köhler, 2011 Western Australia, Kimberley
Amphidromus atricallosus (A.A. Gould, 1843) Southern of Thailand47 mm
Amphidromus atricallosus classiarius C. Sutcharit & S. Panha,2006 Southern of Thailand41 mm
Amphidromus atricallosus laidlawi G.A. Solem, 1965 Thailand, Trat Province51 mm
Amphidromus atricallosus leucoxanthus (E.C. Von Martens, 1854) Thailand47 mm
Amphidromus atricallosus perakensis H.C. Fulton, 1901 Malaysia45 mm
Amphidromus atricallosus temasek S.K. Tan, G.L. Chan& S. Panha, 2011 Singapore
Planispira atrofusca L. Pfeiffer, 1861 Indonesia, Maluku40 mm
Amphidromus attapeuensis Thach & F. Huber, 2017
Polydontes audebardi (L.A. Reeve, 1851)
Australocosmica augustae F. Köhler, 2011 Australia, Augustus Island
Figuladra aureedensis (J.W. Brazier, 1872) Australia, Aureed Island33,9 mm
Mandarina aureola R. Tiba, 1989 Japan, Ogasawara Islands
Zachrysia auricoma (A.E.J. Férussac, 1822) Cuba41,8 mm
Zachrysia auricoma havanensis H.A. Pilsbry, 1894 Cuba23 mm
Zachrysia auricoma noscibilis (A.E.J. Férussac, 1819) Cuba26,4 mm
Papuina aurora L. Pfeiffer, 1862 Indonesia, Fak-Fak32 mm
Ningbingia australis G.A. Solem, 1981 Australia, Kununurra16 mm
Ningbingia australis elongata G.A. Solem, 1988 Western Australia
Ordtrachia australis G.A. Solem, 1984 Northern Territory
Sinumelon aversum T. Iredale, 1937 South Australia22 mm
Satsuma bacca (L. Pfeiffer, 1865) Taiwan24 mm
Semotrachia bagoti G.A. Solem, 1993 Northern Territory
Satsuma bairdi A. Adams, 1870 Taiwan
Sphaerospira bala (J.W. Brazier, 1878)
Trachia balansai (L.J. Morlet, 1886) Vietnam, Tonkin
Trachia balansai cincta (P. Dautzenberg& H. Fischer, 1905) Vietnam, Tonkin