From editor or global species database
Diagnosis Test trochospiral, chambers subdivided by an internal partition; wall aragonitic, perforate, optically radial; aperture in the face or interiomarginal, intercameral foramen formed by resorption. L. Jurassic (Pliensbachian) to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]