Catalog - Turborotalia lata

CATALOG OF ORIGINAL DESCRIPTIONS: Turborotalia lata Lipps 1964

This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.


Higher levels: pf_cat -> T -> Turborotalia -> Turborotalia lata
Other pages this level: T. altispiroides, T. bannerblowi, T. bykovae, T. cambayensis, T. centralis perfecta, T. clemenciae, T. czeczvaensis, T. hirsutoides, T. kotarduensis, T. lata, T. munda franzenaui, T. pseudoampliapertura nukhulensis, T. pseudoampliapertura sinaiensis, T. pseudobesa, T. vagalkhodensis

Turborotalia lata

Citation: Turborotalia lata Lipps 1964
Rank: species
Type locality: Turborotalia lata occurs in most Luisian samples and is especially abundant in sample 2.
Type age (chronostrat): Miocene
Type specimens: Types: Holotype UCLA no. 34729; figured paratype UCLA no. 34730; 100 unfigured paratypes UCLA no. 34731; 10 unfigured paratypes USNM no. 641567. All types from sample 2, Luisian.
Type repository: Los Angeles; University of California, , USA

Linked specimens: USNM-641567

Current identification:


Original Description
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.

References:

Lipps, J. H. (1964). Miocene planktonic foraminifera from Newport Bay, California. Tulane Studies in Geology and Paleontology. 2: 109-133. gs V O


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Turborotalia lata compiled by the pforams@mikrotax project team viewed: 20-9-2021

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