From editor or global species database
Diagnosis Test in relatively high trochospiral, early stage with umbilical aperture, later chambers more closely coiled and umbilicus closed; aperture consists of a series of rounded openings along the sutures, each with a small bordering lip. Miocene to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]