From editor or global species database
Diagnosis Test large, elongate, up to 3 mm in length, tapering toward the base, and later nearly cylindrical in section, early stage trochospirally coiled with four to five chambers per whorl, later reduced to triserial, biserial, and finally uniserial, chamber interior not subdivided; sutures distinct, slightly depressed; wall coarsely agglutinated, coarse particles held in a fine-grained groundmass, wall of eroded specimens appearing somewhat vacuolar, exterior smoothly finished, reddish-brown in color; aperture terminal, central, rounded to irregular or may have a poorly developed tooth. Eocene to Holocene; cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database