Foraminifera taxon details
From editor or global species database
Diagnosis Test large, up to 2.2 mm in diameter, trochospiral, few strongly inflated and subglobular chambers per whorl, periphery broadly rounded, umbilicus depressed; wall calcareous, thick and laminated, finely perforate, optically radial, spiral side with prominent secondarily thickened irregular pustules; primary aperture a small arched interiomarginal and umbilical opening that may be closed in the final stage, secondary areal and sutural pores present on the apertural face and umbilical region, and additional umbilical openings into chambers of the final whorl may be produced by resorption. Miocene; Australia: Victoria. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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