dcsimg

Diagnosis

provided by World Register of Marine Species
Test with planispiral and evolute to slightly trochospiral enrolled undivided tubular chamber; wall imperforate and proteinaceous, outermost whorl with a peripheral agglutinated layer; aperture at the open end of the tube. Holocene; Germany: Helgoland. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification)

Reference

Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp.

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Tomas Cedhagen [email]