Ternivoluta

(Original description in German) The shell is smooth and glossy, featuring a blunt shoulder edge and a moderately protruding spire. Its initial whorl is smooth, spherical, and not very large. There are four rather strong and very oblique columellar folds. The radula possesses three well-developed tooth plates in each row. ==Species==

• † Ternivoluta anticingulata (F. McCoy, 1866) • † Ternivoluta antiscalaris (F. McCoy, 1866) • † Ternivoluta antispinosa (Tate, 1899) • † Ternivoluta bungae (Darragh, 1971) • † Ternivoluta craticulata (Darragh, 1971) • † Ternivoluta curvicostata (Darragh, 1971) • Ternivoluta insperata (Darragh, 1979) • † Ternivoluta levior (F. McCoy, 1866) • Ternivoluta pisororum (H. Morrison, 2006) • Ternivoluta studeri (E. von Martens, 1897) • † Ternivoluta subcrenulifera (Darragh, 1971) ==References==