Catalog - Ticinella floresae

CATALOG OF ORIGINAL DESCRIPTIONS: Ticinella floresae Longoria and Gamper 1977

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 -> Ticinella -> Ticinella floresae
Other pages this level: T. albiana, T. aprica, T. bejaouaensis transitoria, T. caronae, T. floresae, T. madecassiana, T. moulladei, T. petalloidea, T. praeticinensis, T. primula, T. raynaudi, T. raynaudi aperta, T. raynaudi digitalis, T. raynaudi raynaudi, T. roberti bejaouaensis, T. roberti eubejaouaensis, T. subbreggiensis

Ticinella floresae

Citation: Ticinella floresae Longoria and Gamper 1977
Rank: Species
Type locality: Sabinas Basin, Northern Mexico
Type age (chronostrat): Ticinella breggiensis zone, Albian
Type sample (& lithostrat): 45
Type specimens: P1. 5, Figs. 1-3, 13-15: An illustrated paratype will be kept in the Longoria Collection of the Instituto de Geologia, UNAM.
Type repository: USNM;

Current identification/main database link: Ticinella primula Luterbacher, in Renz et al., 1963


Original Description
Test of medium size, low trochospire; peripheral margin circular, lobate; seven to eight chambers in the last whorl arranged in an alternation of lower and higher planes, increasing gradually in size as added; chambers petalloid on spiral side, subtriangular on umbilical side; ovoid in apertural view; primary aperture extraumbilical-spiroumbilical in position; umbilicus shallow.

Etymology: This species is named for Maria Clara Flores de Hernandez in honor of her many years of working with the foraminiferal faunas of Mexico

Extra details from original publication
Variation of the species. Ticinella floresae n. sp. displays little morphologic variation. It is one of the most diagnostic species of Ticinella, and is abundant in the material studied. More than eighty specimens were observed, and all show a low trochospiral coil. The number of chambers in the last whorl varies from seven to eight; however, specimens with seven chambers in the last whorl are more common.

Remarks. Ticinella floresae n. sp. differs from T. primula Luterbacher and T. aperta Sigal by it diagnostic ultimate whorl with chambers arranged in an alternation of lower and higher planes, where one chamber is up and the next is down.

Range. Ticinella
primula Zone (lower Albian) to T. breggiensis Zone (upper Albian) .

References:

Longoria, J. F. & Gamper, M. A. (1977). Albian planktoinc foraminifera from the Sabinas Basin of northern Mexico. Journal of Foraminiferal Research. 7(3): 190-215. gs


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Ticinella floresae compiled by the pforams@mikrotax project team viewed: 20-9-2021

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