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Linked specimens: USNM-641567
Test free, trochospiral, about 3 whorls, planoconvex to slightly biconvex, with spiral side generally planar, umbilicus may be closed or open widely, outline slightly lobate, periphery rounded. Chambers trigonal and much inflated on umbilical side, lunate on spiral side, oval in edge view with axis of oval tilted about 45° to equatorial plane of test, last chamber may be reduced to half or less of normal chamber size. Sutures distinct, slightly depressed, curved backward, may be radial on umbilical side. Wall smooth, fine to coarsely perforate. Aperture umbilical-extraumbilical, a high rounded arch, bordered by a small lip.
Size: Greatest diameter of holotype .234 mm; greatest thickness .162 mm.
Extra details from original publication
Remarks: This species is distinguished from Turborotalia scitula by its more inflated chambers and biconvex test. It is most similar to Globorotalia hirsuta ( d'Orbigny) which possesses a keeled periphery, although some specimens in certain populations may be unkeeled (Parker, 1962, p. 237). No carinate specimens were found with T. lata.
Turborotalia lata compiled by the pforams@mikrotax project team viewed: 30-7-2021
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