Foraminifera taxon details
From editor or global species database
Diagnosis Test unilocular, with three-layered wall, of which the median one commonly is thick and clear or may be gray, numerous apertural necks project from the surface, and the cavity extends through the outer layers to the inner one. M. Devonian (Givetian) to L. Carboniferous (Visean). (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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