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MarBEF Data System |
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Foraminifera taxon details
From editor or global species database
Diagnosis Test nearly planispiral, periphery truncate, biconcave, and partially evolute on both sides; aperture areal, oblique, and equatorial, with supplementary apertures on the umbilical side at the inner chamber margin. Pliocene to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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