Diagnosis
provided by World Register of Marine Species
Test commonly attached to shell fragments or to other foraminifers, up to 1mm in length, large ovoid proloculus followed by narrower tubular rectilinear chamber; wall finely agglutinated on an inner proteinaceous layer, reddish-brown in color, surface smoothly finished and glossy; aperture terminal, rounded. Holocene, from 180 m to 3,400 m; N. and S. Atlantic; Mediterranean; S. Pacific. (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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