Diagnosis
provided by World Register of Marine Species
Test trochospirally enrolled in the early stage, chambers later added irregularly to form an elongate mass, all chambers visible on the spiral side, only the final series visible around the umbilical depression of the opposite side, sutures depressed, periphery rounded; wall calcareous, coarsely perforate, with thin organic lining, surface smooth; on the umbilical side of the test, one or more rows of large apertural pores occur along the sutures of all chambers of the final whorl, as in Cymbaloporella, and additional pores may occur at the umbilical end of the final chamber. Holocene; Pacific: Rangiroa Atoll. (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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