Foraminifera taxon details
From editor or global species database
Diagnosis Test large, elongate, uniserial, with chambers in an arcuate to slightly sinuate series, the curvature of the earliest chambers reversed in the later chambers, chambers increasing gradually in size as added, sutures horizontal; wall calcareous, thick, perforate, surface smooth and unornamented; aperture terminal, radiate, eccentric. U. Cretaceous to Holocene; cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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