From editor or global species database
Diagnosis Test with globular proloculus followed by undivided planispiral or trochospiral tubular second chamber, semi-involute to partially evolute, asymmetrical, umbilical region of one or both sides filled with lamellae that extend from the inner margin of the chamber; wall aragonitic; aperture single at the open end of the tube. Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]