Foraminifera taxon details
From editor or global species database
Diagnosis Test planoconvex, low trochospire of about five inflated chambers per whorl, enlarging rapidly so that the final chamber occupies about one-half of the umbilical surface of the test, sutures arched and oblique on the spiral side, radial and straight on the umbilical side; wall canaliculate, finely agglutinated, largely of calcareous particles, with a proteinaceous lining; aperture umbilical in position, partially covered by a broad umbilical flap that occupies about one-third of the test diameter, those of earlier chambers remaining visible within the open umbilicus. Eocene; France; Cuba. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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