Stylommatophora
Aerotrochus Pilsbry, 1926
Aquebana Pilsbry, 1926
Hyalosagda Martens, 1860
Lacteoluna Pilsbry, 1926
Meiophysema Baker, 1935
Microsagda Baker, 1935
Odontosagda Martens, 1860
Platysuccinea Ancey, 1881
Proserpinula Martens, 1860
Sagda Beck, 1837
Stauroglypta Baker, 1935
Suavitas Pilsbry, 1926
Volvidens Henderson, 1914
Xenodiscula Pilsbry, 1919
Yunquea Baker, 1940
Zaphysema Pilsbry, 1894
