WoRMS taxon details
From editor or global species database
Diagnosis Test with three or more chambers in early whorl, later may increase in number but never reduced to biserial or uniserial in the axis of initial coiling, chamber interior simple. L. Cretaceous (Hauterivian) to Paleocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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