WoRMS taxon details
From editor or global species database
Diagnosis Test trochospiral, external openings of umbilical side consist of radial canals or fissures or umbilical cavities, commonly also has intraseptal and subsutural canals, umbilical region primarily closed by an umbilical flap, single intercameral foramen. U. Cretaceous (Coniacian) to L. Miocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
|