Foraminifera taxon details
From editor or global species database
Diagnosis Test elongate, ovate to subquadrangular in section, chambers inflated, elongate, and embracing earlier ones, added somewhat irregularly, arrangement of earlier chambers obscured by the strongly overlapping later ones, sutures depressed; wall calcareous, finely perforate, opaque and highly polished, surface smooth; no primary aperture visible, a few sutural openings recognizable in rare specimens. Holocene, 30 m to 70 m; Peru; Galapagos Islands. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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