Isomeria aequatoriana (J.G. Hidalgo, 1867) Ecuador62,3 mm
Kimberleytrachia aequum F. Köhler, 2011 Australia, Boongaree Island
Austrochloritis agamemnon G.P.L.K. Gude, 1906 Australia, Cairns
Satsuma akiratadai Kameda & H. Fukuda, 2015
Satsuma albida A. Adams, 1870 Taiwan
Beddomea albizonatus (L.A. Reeve, 1849) Sri Lanka20 mm
Papuina albocarinata E.A. Smith, 1887 Papua New Guinea, Manus Island22 mm
Yakuchloritis albolabris (H.A. Pilsbry& Y. Hirase, 1902) Japan, Kagoshima
Amphidromus albulus J. Abbas & P. Krull, 2006 Indonesia, Sulawesi44 mm
Planispira aldrichi J. Henderson, 1898
Torresitrachia alenae R.C. Willan, F. Köhler, V. Kessner& M.F. Braby, 2009 Australia, Katherine District
Megalacron alfredi (J.C. Cox, 1871) Indonesia, Bougainville Island29,3 mm
Amphidromus alicetandiasae Parsons, 2016
Amplirhagada alicunda F. Köhler, 2011 Western Australia, Kimberley
Amplirhagada alkuonides F. Köhler, 2011 Australia, Kingfisher Island
Papuina allasteri J.C. Cox, 1873 Indo-Pacific
Galadistes alleni T. Iredale, 1943 Australia, Coonabarabran
Torresitrachia allouarni F. Köhler, 2011 Australia, Augustus Island
Isomeria aloagana F.P. Jousseaume, 1887 Ecuador, Pichincha20,6 mm
Kimberleytrachia alphacentauri F. Köhler, 2011 Australia, Boongaree Island
Amplirhagada alta G.A. Solem, 1981 Australia, Bonaparte Archipelago
Amplirhagada alta crystalla G.A. Solem, 1981 Australia, Crystal Creek
Amplirhagada alta intermedia G.A. Solem, 1981 Australia, Berthier Island
Westraltrachia alterna T. Iredale, 1939 Western Australia
Amphidromus alticola H.C. Fulton, 1896 Indonesia, Surabaya
Satsuma amanoi J.T. Kuroda, 1960 Okinawa22 mm
Sinumelon amatensis G.A. Solem, 1993 South Australia
Torresitrachia amaxensis G.A. Solem, 1979 Western Australia
Papuina ambrosia (G.F. Angas, 1867) Solomon Islands23 mm
Amphidromus ameliae B. Dharma, 2007 Timor East
Camaena amphicora (J.F. Mabille, 1888) Vietnam, Tonkin
Westraltrachia ampla G.A. Solem, 1984 Western Australia
Kimberleytrachia amplirhagadoides F. Köhler, 2011 Australia, Augustus Island
Setobaudinia anatispretia G.A. Solem, 1985 Northern Territory7,2 mm
Amplirhagada anderdonensis F. Köhler, 2010 Western Australia, Kimberley