Diagnosis
provided by World Register of Marine Species
Test with planispiral coil of one whorl, chambers laterally produced, internally a secondary septum cuts off the outer part of each chamber, leaving no connection from the distal chamberlet to the main chamber lumen; wall agglutinated, commonly of calcareous fragments, noncanaliculate, surface smoothly to roughly finished; aperture interiomarginal, a low arch against the previous chamber. Holocene; Pacific; Atlantic; Caribbean; Gulf of Mexico; Red 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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