Foraminifera taxon details
From editor or global species database
Diagnosis Test very low trochospiral to planispiral, bievolute and biconcave with broad truncate periphery; wall hyaline, perforate, optically radiate; aperture on umbilical side associated with umbilical flap, the flaps of previous chambers of the final whorl remaining visible. Miocene to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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