Foraminifera taxon details
From editor or global species database
Diagnosis Test free, compressed, elongate or palmate, the numerous broad, low and biserially arranged chambers may be somewhat excavated adjacent to the sutures, leaving the latter elevated, interior subdivided by vertical septula projecting downward from the chamber roof, that may be reflected externally as short ridges radiating downward from the sutures; wall finely agglutinated, smoothly finished; aperture a high narrow interiomarginal arch at the base of the final chamber. U. Oligocene to L. Miocene; Trinidad, West Indies. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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