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MarBEF Data System |
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WoRMS taxon details
From editor or global species database
Diagnosis Test moderately compressed, numerous chambers per whorl, height of whorl increasing rapidly; aperture a small interiomarginal equatorial opening. U. Cretaceous (Coniacian) to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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