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MarBEF Data System |
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Foraminifera taxon details
From editor or global species database
Diagnosis Test elongate, early stage trochospiral, later may have reduced number of chambers per whorl and become triserial, biserial, or uniserial; wall agglutinated, noncanaliculate; aperture interiomarginal and extraumbilical, to areal and terminal. M. Jurassic to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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