Diagnosis
provided by World Register of Marine Species
Test planispirally enrolled, slightly evolute, strongly compressed, interior divided by thin straight organic partitions, not corresponding to the original apertural face and not always reflected at the surface; wall agglutinated, commonly of quartz grains and sponge spicules on a proteinaceous base; aperture a broad low interiomarginal equatorial opening. Holocene; Mediterranean; 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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