Foraminifera taxon details
From editor or global species database
Diagnosis Test free or attached; may be planispiral or trochospiral, evolute or involute, spreading or discoidal; proloculus followed by undivided spiral passage or enrolled tubular chamber, later may be irregularly coiled, uncoiled, or show zigzag growth pattern and may be distinctly chambered. L. Carboniferous (Visean) to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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