Diagnosis
(
anglais
)
fourni par World Register of Marine Species
Test planispiral or enrolled biserial; chambers globular to elongate; primary aperture equatorial in position, single or multiple; may also have relict or areal secondary apertures. Paleocene to Miocene. (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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