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MarBEF Data System |
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Foraminifera taxon details
From editor or global species database
Diagnosis Test attached, early chambers trochospiral, later may grow upward from the attachment in a loose spiral or irregular mass. U. Cretaceous (Santonian) to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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