Diagnosis
provided by World Register of Marine Species
Test triserial or with tendency to become biserial in the adult; wall calcareous, optically granular; aperture without toothplate. M. Miocene to Holocene. (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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