Foraminifera taxon details
From editor or global species database
Diagnosis Test trochospiral, planoconvex, pseudoumbilicus on umbilical side; deep indentation or murus reflectus at base of apertural face attaches to previous septum internally but is not a true aperture and does not communicate with chamber interior; aperture interiomarginal, midway between umbilical region and periphery. L. Cretaceous (Barremian) to U. Cretaceous (Maastrichtian). (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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