Cyclonenia alpina H. Nordsieck, 1999
Euxinella alpinella I. Dedov, 2011 Macedonia
Oospira alticola E.C. Von Martens, 1892 Indonesia
Albinaria amalthea (C.A. Westerlund, 1878) Greece15 mm
Albinaria amalthea bipalatalis (O. Böttger, 1877) Greece, Crete Island18 mm
Galeata amanica H. Nordsieck, 2004 Turkey
Synprosphyma ambigua Grego & Szekeres, 2017
Delima amoena (L. Pfeiffer, 1848) Croatia12,2 mm
Delima amoena smokvicensis A.J. Wagner, 1915 Croatia13,6 mm
Delima amoena substricta (J.G.F. de Charpentier,1852) Yugoslavia12,3 mm
Neniauchenia amoena H. Nordsieck, 2002 Laos, Phou Tiou
Armenica amoena (M. Szekeres, 1970)
Tropidauchenia amonea H. Nordsieck, 2002 Laos
Serrulastra amphiodon (FOSSIL) (A.E. Reuss, 1861 †) Czech Republic, Chomutov8,2 mm
Albinaria anatolica (J.R. Roth, 1839) Turkey18 mm
Albinaria anatolica apicalis (O. Böttger, 1883) Turkey, Antalya19 mm
Euphaedusa anceyi (O. Böttger, 1882)
Incaglaia andecola (P.M.A. Morelet, 1863) Peru
Serrulella andreaei (FOSSIL) H. Nordsieck, 1981 †
Phaedusa angkanensis (F.E. Loosjes, 1950)
Incaglaia angrandi (P.M.A. Morelet, 1863) Peru, Quillabamba
Incaglaia angrandi soukupi H. Nordsieck, 2010 Peru, Cuzco
Incaglaia angrandi variegata H. Nordsieck, 2010 Peru15,5 mm
Selenoptyx angulipoma Y. Hirase, 1957 Japan
Phaedusa angustocostata F. Köhler& G. Burg Mayer, 2016 Indonesia, Est Timor
Baleopsina annae (P.V. Kijashko, 2005)
Symptychiella annae H. Nordsieck, 1999 Peru15,5 mm
Prozaptyx annae F.E. Loosjes, 1950 Philippines, Calayan Island
Montiphaedusa annandalei (H.B. Preston, 1915)
Bacillophaedusa annularis J. Grego & M. Szekeres,2011 China, Hubei18,7 mm
Serruluna anodon (FOSSIL) H. Nordsieck, 1981 †
Incania anoecia P. Ehrmann, 1949
Oospira antibouddah H. Nordsieck, 2003 Vietnam18,6 mm
Oospira antilopina H. Nordsieck, 2016
Formosana antilopina (P.M. Heude, 1885) China, Hupa