Catalog - Gorbachikella grandiapertura Catalog - Gorbachikella grandiapertura

CATALOG OF ORIGINAL DESCRIPTIONS: Gorbachikella grandiapertura Bou-Dagher-Fadel, Banner, Brown, Simmons, Gorbachik 1995

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 -> G -> Gorbachikella -> Gorbachikella grandiapertura
Other pages this level: G. anteroapertura, G. depressa, G. grandiapertura

Gorbachikella grandiapertura

Citation: Gorbachikella grandiapertura Bou-Dagher-Fadel, Banner, Brown, Simmons, Gorbachik 1995
taxonomic rank: Species
Type specimens: Holotype: NHML PF52994 (PI. 4 , fig. 2). Paratypes : NHML PF52995-8 (Pl. 4, figs. 1, 3-5 )
Type sample (& lithostrat): SS94
Type age (chronostrat): Early Barremian
Type locality: Beauvoir 1, Tunisia (about 7 km north of Tebourba , west of Tunis),
Type repository: London, UK; NHM

Linked specimens: London, UK; NHM (PM PF 52994)

Current identification/main database link: Gorbachikella grandiapertura Boudagher-Fadel, Banner, Brown, Simmons, Gorbachik 1995


Original Description

Gorbachikella grandiapertura differs from G. kugleri in having a very convex spiral side, five chambers in the first whorl which reduces to four chambers in the whorl in the last two whorls (instead of only four chambers in each whorl throughout the test) and an axiointraumbilical aperture but with a much higher symmetrical (see Pl. 4 , fig. I b-2 b) to slightly asymetrical arch (see PI. 4 , fig. 3a, 4 b, 5a). 

Extra details from original publication
This species ranges in Tunisia throughout the Hauterivian and Barremian.

References:

BouDagher-Fadel, M., Banner, F. T., Bown, P. R., Simmons, M. D. & Gorbachik, T. N. (1995). Gorbachikella from the Hauterivian, Barremian-Aptian of Tunisia. Revue de Micropaléontologie. 38(3): 179-193. gs

BouDagher-Fadel, M. K., Banner, F. T. & Whittaker, J. E. (1997). The Early Evolutionary History of Planktonic Foraminifera. Chapman and Hall, London. -. gs

BouDagher-Fadel, M. K., Banner, F. T., Gorbachik, T. N., Simmons, M. D. & Whittaker, J. E. (1998). On the evolution of the Hedbergellidae from the Praehedbergellidae. Journal of Micropalaeontology. 17: 97-103. gs


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Gorbachikella grandiapertura compiled by the pforams@mikrotax project team viewed: 28-2-2024

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