Foraminifera taxon details
From editor or global species database
Diagnosis Test elongate, ovoid in side view, circular in section, chambers triserial throughout, slightly inflated, increasing in height as added, those of the final whorl more elongate and tending to become uniserial, sutures slightly depressed; wall calcareous, finely perforate, surface smooth; aperture an elongate slit extending from near the base of the final chamber to the apex, with an elevated rimlike lip. L. Miocene (Aquitanian) to M. Miocene (Helvetian); USA: California. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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