From editor or global species database
Diagnosis Test low trochospiral, planoconvex, spiral side flat with curved and flush sutures, umbilical side strongly convex and subconical with straight and depressed sutures, umbilicus open and deep, umbilical shoulder acutely angled, periphery subacute to carinate, peripheral outline circular; wall calcareous, finely perforate, surface densely pustulose, particularly in the umbilical region, although final chamber may be smooth; aperture interiomarginal, a low to high umbilical-extraumbilical arch with a thin rimlike lip. U. Miocene (Messinian) to Holocene; cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database