Diagnosis
provided by World Register of Marine Species
Test lenticular and may be fusiform, triangular, or polygonal in plan, 0.4 mm to 2.6 mm in length; organic lamella on the flattened and nonagglutinated sides, periphery covered by a single layer of sand grains to produce an agglutinated hemitubular margin; apertures at the ends of two to six or more short tubular necks that project from the test angles. Holocene; Antarctic at 70 m to 385 m; Indian Ocean; N. Atlantic: Iceland, at 1,889 m to 1,996 m depth; S. Atlantic at 3,705 m; off Germany at 40 m; Norway: Oslo 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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