Foraminifera taxon details
From editor or global species database
Diagnosis Test small, subspherical, poles flattened to slightly umbilicate, axis of coiling less than the diameter, small proloculus followed by endothyroid juvenarium, then with about eight gradually enlarging whorls; wall thick, with tectum, parachomata high and broad, up to more than half the chamber height; numerous foramina, up to twenty-four, occur near the base of the septa of the final whorl. L. Permian (Sakmarian) to U. Permian (Kazanian); Laos; Japan; S. China; USSR: Pamir, Crimea, Darvaz. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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