Diagnosis
provided by World Register of Marine Species
Test of moderate size, up to 0.34 mm in length, elongate, sides nearly parallel, slightly compressed and elliptical in section, chambers few, large, biserially arranged but tending to become uniserial in the adult, sutures oblique, depressed; wall calcareous, thin, translucent, finely perforate, surface smooth; aperture terminal, an elongate to ovate slit, provided with a long straight entosolenian tube. Holocene; China: Xisha Islands, at 6 m depth. (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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