Diagnosis
provided by World Register of Marine Species
Test attached, at least in the early stage, biserial, and somewhat flattened against the attachment, although final chambers may grow free of the attachment; wall coarsely agglutinated, coarsely canaliculate; aperture a low arch or slit at the base of the final chamber face. Holocene; N. Pacific. (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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