Diagnosis
provided by World Register of Marine Species
Test free, ovoid proloculus followed by elongate, slightly curved tubular chamber, 1.4 mm to 2.9 mm in length, gradually enlarging, and with irregularly spaced transverse constrictions; wall, thin, translucent, brownish, proteinaceous; aperture rounded, at slightly constricted end of the tube. Holocene, deep water; Atlantic. (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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