Diagnosis
provided by World Register of Marine Species
Test arborescent, up to 2 mm across, dichotomously branching at irregular intervals, the branching increasingly rapid toward the periphery, commonly with four to six orders of branching, all branchlets of approximately equal diameter, somewhat crooked but basically radiating; wall with thin inner organic layer and thicker outer agglutinated layer of clay particles, grayish in color, flexible. Holocene; central N. Pacific at 5,588 m to 6,079 m; Caribbean, at 5,220 m to 5,650 m. (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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