Foraminifera taxon details
From editor or global species database
Diagnosis Proloculus followed by planispiral, trochospirally, or streptospirally enrolled tubular second chamber; wall may have more than one layer, and secondary axial thickening may occur on one or both sides. L. Carboniferous (Visean) to U. Carboniferous (Moscovian). (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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