CATALOG OF ORIGINAL DESCRIPTIONS: Globotruncana mexicana Longoria and Gamper 1975

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 mexicana
Other pages this level: << < G. linnei bulloides, G. linnei caliciformis, G. linnei stuarti, G. linneiana obliqua, G. linneiformis, G. lobata, G. loeblichi, G. loefgreni, G. lugeoni, G. lugeoni angulata, G. lunaris, G. marginata austinensis, G. marianosi, G. mariei, G. mayaroensis, G. mexicana, G. monmouthensis, G. morozovae, G. nakkadyi, G. naqibi, G. navarroensis, G. neotricarinata, G. orientalis, G. pessagnoi, G. postrugosa, G. poststephensoni, G. pozaryskae, G. pseudoconica, G. pseudofornicata, G. pura, G. pustulifera, > >>

Globotruncana mexicana

Citation: Globotruncana mexicana Longoria and Gamper 1975
Rank: Species

Current identification/main database link: Globotruncana rosetta (Carsey, 1926)


Original Description
Test planoconvex; spiral side flattened, often slightly convex, formed by about three whorls; peripheral margin subcircular, strongly lobate, truncated by a double keel which sometimes merges into a single keel in the last two chambers; last whorl formed by eight to nine chambers; chambers on spiral side characteristically petalloid, flattened, all of them of about the same size; chambers on umbilical side subtrapezoidal, slightly inflated; sutures on spiral side elevated, curved, and often beaded; sutures on umbilical side depressed and curved; umbilicus wide and shallow; tegilla badly preserved but distinct.

References:

Longoria, J. F. & Gamper, M. A. (1975). Two new species of Upper Cretaceous planktonic Foraminiferida from the Abathomphalus mayaroensis zone of Mexico. Micropaleontology. 20(4): 473-477. gs :: ::


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Globotruncana mexicana compiled by the pforams@mikrotax project team viewed: 30-5-2020

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Short stable page link: http://mikrotax.org/pforams/index.php?id=131467 Go to Archive.is to create a permanent copy of this page - citation notes



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