Diagnosis
provided by World Register of Marine Species
Test biserial, commonly subangular in section; wall finely agglutinated with carbonate cement; aperture a wide and low slitlike opening, slightly above the base of the face and bordered by a low lip. U. Middle Eocene to Holocene; Gabon; New Zealand; S. Pacific; Atlantic; Caribbean. (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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