Diagnosis
provided by World Register of Marine Species
Test small, ovate in outline, flattened, globular proloculus followed by about three pairs of rapidly enlarging and biserially arranged chambers, sutures slightly depressed, internally a nodelike or hooklike projection extends into the chamber from the midpoint of the basal suture but has no apparent relationship to the aperture of the chamber, periphery subacute; wall calcareous, finely perforate, surface smooth; aperture subterminal, an elongate slit with denticulate margins. Holocene, at 20 m to 40 m; Philippines. (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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