Diagnosis
provided by World Register of Marine Species
Test of medium size, up to 0.9 mm in length, ovate in outline, compressed, sides flat, periphery broadly rounded, broad and low chambers added in a sigmoid series, overlapping very strongly at the margins, septa flush; wall calcareous, radial in structure, surface smooth; aperture terminal, slitlike. Holocene; Pacific Ocean, off New Zealand. (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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