Diagnosis
provided by World Register of Marine Species
Test elongate, flattened to lenticular in section, early chambers biserially arranged and enrolled as in Cassidulina, later chambers arched, low and much broader as in Cassidulinella but flaring and uncoiling, sutures radial to oblique in the early stage, later nearly horizontal but arched centrally, slightly depressed; wall calcareous, distinctly perforate, optical character unknown, surface smooth; aperture an elongate slit paralleling the periphery at the base of the final chamber, toothplate not reported. Holocene; E. Pacific, USA: off Catalina Island, California. (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.
- license
- cc-by-4.0
- copyright
- WoRMS Editorial Board
