Foraminifera taxon details
From editor or global species database
Diagnosis Test globular, megalospheric embryo consists of proloculus and three to eight smaller chambers that possibly may form a planispiral coil, with a few coarse radial spines arising from the embryonic chambers, possibly in a single plane, and projecting above the surface of the chambers, later stage with many rectangular lateral chamberlets added in four to eight layers and arranged in slightly irregular radial tiers; wall calcareous, chamberlet floors and roof perforate, pseudopillars formed by thickened lateral walls. U. Eocene; Malaysia: Sarawak. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
|