Foraminifera taxon details
From editor or global species database
Diagnosis Test trochospiral, chambers globular to angular and may have peripheral imperforate carinal band; primary aperture umbilical, tegilla of successive chambers covering the umbilical area and may have accessory intralaminal and infralaminal apertures. U. Cretaceous (Turonian to Maastrichtian). (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
|