Foraminifera taxon details
From editor or global species database
Diagnosis Test tiny, 0.20mm in diameter, trochospiral, spiral side evolute and subconical, about two and a half whorls of inflated chambers, four to five chambers in the final whorl, sutures depressed, slightly oblique on the spiral side, radial on the flattened to concave umbilical side, umbilicus open, periphery rounded, outline lobulate; wall calcareous, finely perforate, surface smooth; aperture a small interiomarginal umbilical arch. L. Cretaceous (M. Barremian); Austria. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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