Character;Species;"Austrocypraea amae";"A. rumballi";"A. jimgracei sp. nov." "Length (mm):";20.7–38.9;11.0–22.1;23.1–25.5 Shape:;"ovate, sub-pyriform to sub-cylindrical; highest point in posterior third. Short anterior extremity not extended in lateral profile.";"broadly ovoid; inflated specimens globular. Anterior extremity short but extended in lateral profile.";"ovate to sub-pyriform; highest point towards posterior; short anterior extremity, not extended in lateral profile, supported by well-developed lateral flanges." Sculpture:;"moderately to weakly malleate, mainly posteriorly; base smooth.";"malleation present on the left side of many specimens but absent in others; base smooth.";"malleation absent; base smooth." Fossula:;"broad, impressed, traversed by 6 or 7 ribs continuous with columella teeth.";"broad with projecting inner margin; fossula denticles (~ 6) linked to columella teeth by transverse ridges becoming obsolete anteriorly. Indistinct tubercle or ridge centrally.";"broad, inner margin with 4–6 denticles that do not connect to columella teeth; central fossula smooth. Shallow, longitudinal depression or raised area sometimes present centrally." "Labral margin:";"rounded but not heavily thickened; generally rounded in posterior profile.";"rounded but not heavily thickened; generally rounded in posterior profile.";"heavily callused, forming a distinct marginal edge, bent up centrally; pustules or small tubercules often present dorsal to marginal edge." "Data source(s):";"Fehse and Kendrick 2000";"Fehse 2003; Yates (2008)";"This study"