Diagnosis
provided by World Register of Marine Species
Test attached, elongate ovate proloculus followed by a few ovate and inflated chambers, attached surface flattened, upper surface convex, a fimbriate peripheral keel against the attachment; wall calcareous, thin, milky white, imperforate, surface smooth or with faint transverse growth wrinkles; aperture terminal, with bordering lip. Holocene; Atlantic; Pacific: Timer Sea. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification)
Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp.
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