Foraminifera name details
From editor or global species database
Diagnosis Test streptospiral at least in early stage, later may uncoil; wall clearly differentiated into coarse thick outer layer and thin microgranular inner layer; aperture single and basal, becoming terminal and cribrate in the rectilinear portion. L. Carboniferous (U. Toumaisian to Visean). (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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