+
+Genus (type species) |
+Shell shape |
+Spire |
+Sculpture |
+Aperture shape |
+Columella |
+
+
+Embryonic whorl |
+Spire whorl |
+
+
+
+
+
+Allopeas
+
+(
+
+Bulimus gracilis
+Hutton, 1834
+
+)
+5
+
+ |
+slender conical |
+high and gradually attenuated |
+smooth |
+striations |
+vertically broad; oblong |
+straight |
+
+
+
+
+
+Bacillum
+
+(
+
+Achatina cassiaca
+Reeve, 1849
+
+)
+1
+
+ |
+slender conical |
+high, turreted, and gradually attenuated |
+striations |
+obliqued striations or ribs |
+obliquely narrow; ovate |
+concave and truncated |
+
+
+
+
+
+Curvella
+
+(
+
+Curvella sulcata
+Chaper, 1885
+
+)
+1, 5
+
+ |
+oblong-conical |
+low or high conical and rapidly attenuated |
+smooth |
+equally or irregularly spaced striations or ribs |
+vertically broad; ovate; oblong |
+straight |
+
+
+
+
+
+Glessula
+
+(
+
+Achatina gemma
+Reeve, 1850
+
+)
+3, 6
+
+ |
+ovate-conical |
+low conical, and gradually attenuated |
+smooth or striations |
+equally spaced of striations; grooves; radial ribs |
+obliquely narrow or broad; ovate |
+concave and truncated |
+
+
+
+
+
+Rishetia
+
+(
+
+Achatina tenuispira
+Benson, 1836
+
+)
+3, 6
+
+ |
+slender conical |
+high, turreted, and gradually attenuated |
+smooth or striations |
+equally or irregularly spaced striations or ribs |
+obliquely, narrow; ovate |
+concave and truncated |
+
+
+
+
+
+Opeas
+
+(
+
+Helix goodallii
+Miller, 1822
+
+)
+1, 5
+
+ |
+slender conical |
+low or high, turreted, and gradually attenuated |
+smooth |
+smooth; fine striations and growth lines |
+vertically narrow; oblong |
+concave or straight |
+
+
+
+
+
+Paropeas
+
+(
+
+Bulimus acutissimus
+Mousson, 1857
+
+)
+1, 2, 4
+
+ |
+slender conical |
+high, turreted, and gradually attenuated |
+striations |
+irregular, dense, fine or coarse striations |
+obliquely narrow or broad; ovate |
+concave or straight |
+
+
+
+
+
+Tortaxis
+
+(
+
+Achatina erecta
+Benson, 1842
+
+)
+1
+
+ |
+cylindrical to slender conical |
+high, mostly turreted, narrowly or cylindrically attenuated |
+smooth |
+striations and growth lines |
+vertically narrow; oblong |
+concave or straight and with spiral fold below |
+
+
+
+
+
+Zootecus
+
+(
+
+Pupa insularis
+Ehrenberg, 1831
+
+)
+5
+
+ |
+pupiform |
+high, broad, and cylindrical |
+smooth |
+irregular, dense, fine or coarse striations |
+obliquely broad; oblong; rounded |
+straight |
+
+
+