Diagnosis
(
anglais
)
fourni par World Register of Marine Species
Test large, about 1.0 mm in diameter, flattened, subtriangular in outline, early chambers one-half coil in length and in quinqueloculine arrangement, later more loosely coiled, planispiral and with three straight, cylindrical to pyriform chambers per whorl; wall imperforate, porcelaneous, with outer coarsely agglutinated layer except immediately adjacent to the aperture; aperture rounded, at the constricted end of the final chamber, with a short simple tooth. Holocene; N. and S. Pacific. (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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- WoRMS Editorial Board
