Diagnosis
provided by World Register of Marine Species
Test small, about 0.27 mm in diameter, discoidal, periphery rounded, small globular proloculus followed by long tubular undivided, planispirally coiled and evolute second chamber of over three whorls, final one or two whorls with two chambers per whorl; wall calcareous, imperforate, porcelaneous; aperture rounded at the open end of the final chamber. Holocene; Pacific: Galapagos. (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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