Foraminifera taxon details
Present Inaccurate Introduced: alien Containing type locality
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Diagnosis Test enrolled, discoidal, proloculus followed by irregularly coiled and undivided tubular chamber in early whorls, later whorls divided into a few to many chambers as a result of periodic growth and becoming planispiral and evolute; wall agglutinated, of fine quartz sand in a yellowish-brown to reddish-brown ground mass; aperture large, rounded, equatorial, lying against the previous whorl, and may have a somewhat thickened lip. Cretaceous to Holocene, from 700 m to 2,960 m; Atlantic, Pacific, Gulf of Mexico and Caribbean. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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