Stylommatophora
Hojeda H. B. Baker, 1926
Itzamna Pilsbry, 1926
Mcleania Bequaert & Clench, 1939
Microconus Strebel & Pfeffer, 1880
Microphysula Cockerell, 1926
Thysanophora Strebel & Pfeffer, 1880