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MarBEF Data System |
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WoRMS taxon details
From editor or global species database
Diagnosis Test enrolled, involute, or rarely uncoiling; agglutinated wall with outer imperforate layer and inner alveolar layer, septal structure always differentiated from that of outer wall; aperture interiomarginal or near septal base. L. Jurassic to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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