WoRMS taxon details
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test small, subpyramidal, triangular in section with rounded to bicarinate angles, chambers moderately inflated, triserial throughout, early chambers closely appressed, later ones with increased relative height; wall calcareous, perforate, surface smooth to pustulose but may have one or two low longitudinal carinae at the angles; aperture terminal, rounded, bordered by a low collarlike rim and with a narrow internal columellar toothplate. U. Cretaceous (Campanian to Maastrichtian); Europe; North America; USSR; Egypt. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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