CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina quadrata White 1928

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 -> Globigerina -> Globigerina quadrata
Other pages this level: << < G. pseudocorpulenta, G. pseudocretacea, G. pseudodruryi, G. pseudoedita, G. pseudoeocaena, G. pseudoeocaena compacta, G. pseudoeocaena ellipsocamera, G. pseudoeocaena perfida, G. pseudoeocaena pseudoeocaena, G. pseudoeocaena trilobata, G. pseudoiota, G. pseudotriloba, G. pseudotriloba Shutskaya, G. puncticulata, G. pyriporosa, G. quadrata, G. quadricamerata, G. quadrilatera, G. quadrilobata, G. quadritriloculinoides, G. quinqueloba, G. quinqueloba egelida, G. radians, G. regina, G. regularis, G. reticulata, G. ridenda, G. riveroae, G. roblesae, G. rohri, G. rosacea> >>

Globigerina quadrata

Citation: Globigerina quadrata White 1928
Rank: Species
Type locality: locality No. 28, Tampico Embayment, Mexico
Type specimens: 19880
Type repository: Nw York AMNH; Columbia University Paleo. Coll. No. 19880

Current identification:


Original Description
Test quadrilateral, composed of about two coils arranged in a low trochoid spire; chambers inflated, very little appressed, rapidly enlarging with the last two about equal in size, four comprising the last whorl; sutures deep; finely perforate; aperture obscured, undoubtedly in the relatively small umbilicus.

Size: Diameter of type specimen, 0.35 mm.; thickness, 0.2 mm.

Extra details from original publication
Synonym

Occurrence: This species occurs as a rare form in the middle and upper Mendez, becomes quite abundant at the very base of the Velasco and only slightly less so throughout the lower part of the Velasco.
This form is similar to G. bulloides of some authors, but its relative size and arrangement of chambers, as well as the fact that it cannot possess an aperture of the size or position comparable with the latter species, prevents its inclusion in that species.

References:

White, M. P. (1928). Some Index Foraminifera of the Tampico Embayment Area of Mexico. Journal of Paleontology. 2(3): 177-215. gs


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Globigerina quadrata compiled by the pforams@mikrotax project team viewed: 23-7-2021

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