Diagnosis
provided by World Register of Marine Species
Test a single subcylindrical chamber, from 0.4 mm to 2.1 mm in length and 0.1 mm to 0.35 mm in breadth, may have a series of constrictions at the aboral end; wall thin, transparent, hyaline, proteinaceous, no material agglutinated to the test membrane but may have a soft cover of detritus around the test; aperture single; cytoplasm white, dense, that of pseudopodia clear and sharply differentiated; one vegetative nucleus. Marine, to depth of 200 m. Holocene; Sweden: Gullmar Fjord. (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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