Foraminifera taxon details
Not documented
From editor or global species database
Diagnosis Test large, early stage coiled, triserial or biserial, later may be reduced to biserial or uniserial, chambers broad and low; interior partially divided by numerous vertical septula or beams that project downward from the roof of the chambers and rarely may have a few connecting rafters; wall agglutinated, noncanaliculate; aperture a high arch at the base of the apertural face in the biserial stage, later may become terminal, single or multiple. U. Cretaceous (Senonian); L. Oligocene to Pliocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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