CATALOG OF ORIGINAL DESCRIPTIONS: Globotruncana vridhachalensis Banerji 1966

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 -> Globotruncana -> Globotruncana vridhachalensis
Other pages this level: << < G. smithi, G. stephani, G. stephani turbinata, G. stephensoni, G. stuarti parva, G. sudrensis, G. sudrensis parallela, G. tarfayaensis, G. thalmanni thalmanni, G. ticinensis, G. torensis, G. tricarinata colombiana, G. tricarinata desioi, G. undulata, G. verrucosa, G. vridhachalensis, G. walfischensis, G. wiedenmayeri, G. wiedenmayeri magdalenaensis, G. wilsoni, G. youssefi, G. zagros,

Globotruncana vridhachalensis

Citation: Globotruncana vridhachalensis Banerji 1966
Rank: Species

Current identification/main database link: Dicarinella concavata (Brotzen, 1934)

Original Description
Test free, little oblong, trochospiral, unequally biconvex, dorsal side relatively less convex in comparison to ventral side, equatorial periphery highly lobulate in the later parts, with two well developed, closely spaced, finely beaded keels; chambers subspherical, last one little arched, arranged in two and a half whorls with five chambers in the last whorl, chambers of earlier whorls distinct on the dorsal side, increasing in size slowly but uniformly at the early parts, last two chambers invariably suddenly increasing in size; sutures on the dorsal side little curved, flush near the centre, raised and finely beaded near the periphery, radial and depressed on the ventral side; umbilicus open, moderately broad and deep; wall calcareous, perforate except at beaded keels, chamber's surface coarsely hispid; aperture interiomarginal, umbilical, extending towards the umbilicus.


Banerji, R. K. (1966). The genus Globotruncana and biostratigraphy of the lower Ariyalur stage (upper Cretaceous) of Vridhachalam, south India. Journal of the Geological Society of India. 7: 51-69. gs :: ::


Globotruncana vridhachalensis compiled by the pforams@mikrotax project team viewed: 1-6-2020

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