Diagnosis
provided by World Register of Marine Species
Test a single globular to ovoid chamber, 0.25 mm to 1.0 mm in length, breadth 0.3 mm to 0.5 mm, and globular specimens may attain a diameter of 0.5 mm; wall proteinaceous, flexible, yellowish, glossy, semitransparent, appearing granular due to the presence of dense particles, including mica flakes, but lacking harder foreign bodies such as quartz grains; aperture circular, produced on a tubular neck, somewhat excentric in position; one or two nuclei; asexual reproduction by multiple fission; sexual reproduction not known. Marine, on soft muddy bottoms at 100 m to 118 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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