Foraminifera taxon details
From editor or global species database
Diagnosis Test trochospiral, umbilical side lacking the wide umbilicus of the Globotruncaninae; early chambers with porticus, later with tegilla, that of the final chamber covering the umbilical area, infralaminal accessory openings present. U. Cretaceous (Maastrichtian). (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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