Diagnosis
provided by World Register of Marine Species
Test elongate ovate, circular in section, chambers uniserial, rectilinear, and strongly embracing throughout, although possibly only the megalospheric generation is known, sutures slightly depressed, horizontal; wall calcareous, opaque, surface smooth to finely striate; aperture terminal, radiate, with a narrow entosolenian tube attached to one wall for up to half the chamber height. Holocene; Pacific: off Philippine Islands. (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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