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MarBEF Data System |
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Foraminifera taxon details
From editor or global species database
Diagnosis Early stage biserial or may be planispirally coiled, later stage biserial or with chamber proliferation. L. Cretaceous (Aptian) to Paleocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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