Diagnosis
provided by World Register of Marine Species
Test elongate, 1.0 mm to 7.5 mm in length, tubular, straight to slightly arcuate, tapering at both ends; wall proteinaceous, firm, flexible, transparent, colorless; small aperture at each end of test; yellowish, coarsely granular cytoplasm with pronounced streaming, accumulating in small lump at each end and also coating the test exterior, pseudopodia extend in a net from both apertures and show rapid streaming; large central body reported as a nucleus by Siddall but may be a vacuole. Marine. Holocene; England; USA: California. (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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