Foraminifera taxon details
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test flabelliform, early biserial stage with rapidly enlarging chambers followed by a proliferation of chambers in the same plane, chambers inflated, subglobular, sutures distinct, depressed; wall calcareous, hyaline, perforate, surface with medium to coarse but discontinuous longitudinal costae that parallel the margins of the chambers, lateral cameral flanges with bordering rims may merge and become continuous ridges on the later chambers; arched basal apertures in the adult commonly at both sides of the multiseriate chambers. U. Cretaceous (U. Maastrichtian); cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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