Foraminifera taxon details
From editor or global species database
Diagnosis Test trochospiral but partially involute on the flattened spiral side as well as the convex umbilical one, about six chambers in the final whorl, chambers inflated on the umbilical side, each having a hyaline imperforate triangular umbilical flap, those from chambers of the final whorl overlapping only slightly and remaining visible around the umbilicus, sutures slightly depressed, radial to curved, periphery carinate, peripheral outline lobulate; wall calcareous, hyaline, perforate, may have an imperf orate area on the midregion of the chambers on the umbilical side, surface smooth; aperture interiomarginal at the base of the final chamber, bordered by a narrow lip. Holocene; shallow water, at 38 m off Ecuador. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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