Diagnosis
provided by World Register of Marine Species
Test attached, globular proloculus followed by enrolled arcuate to reniform chambers, two to four per whorl, later chambers tending to uncoil; wall porcelaneous, surface rough; aperture a terminal arch in the early stage, later a broad opening bordered by a lip, occupying the full width of the chambers, the original figures appearing to show teeth projecting into the opening. Holocene; Coral Sea: Great Barrier Reef. (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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