Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test ovoid, circular in section, trochospiral and involute, only the final whorl of three strongly enveloping chambers visible from the exterior, sutures gently curved, slightly depressed; wall calcareous, optically granular, finely perforate, surface smooth; aperture an elongate slit, with a projecting bordering rim. U. Cretaceous (Campanian) to Holocene; cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database