Diagnosis
provided by World Register of Marine Species
Test attached, trochospirally enrolled, differing from Ammocibicides in the absence of an uncoiled stage, spiral side flattened against the attachment, umbilical side inflated, umbilicus closed, sutures oblique on the spiral side, radial on the umbilical side; wall agglutinated, thin, and translucent on the spiral side, thick on the umbilical side; aperture interiomarginal, near the umbilical region on the free side, bordered with a lip. Holocene, upper bathyal zone; S. Pacific, near New Zealand. (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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