WoRMS taxon details
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test globular, early stage trochospirally enrolled, streptospiral in the adult, whorls progressively covering the umbilical side, chambers in the early stage spherical, later more embracing, about four to four and a half chambers in the final whorl, sutures distinct and depressed in the juvenile, flush and obscure in the adult, periphery broadly rounded; wall calcareous, perforate, juvenile stage with large pores in distinct pore pits and appearing cancellate, surface later completely covered by a thick smooth cortex that obscures the perforations and sutures, closely spaced pustules may occur both above and below the apertural opening; aperture a broad and low interiomarginal arch, extraumbilical. U. Miocene to Holocene; cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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