CATALOG OF ORIGINAL DESCRIPTIONS: Globotruncana (Globotruncana) subspinosa Pessagno 1960

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) -> Globotruncana (Globotruncana) subspinosa
Other pages this level: G. (Globotruncana) elevata stuartiformis, G. (Globotruncana) majzoni, G. (Globotruncana) planata, G. (Globotruncana) rosetta pembergeri, G. (Globotruncana) sigali, G. (Globotruncana) subspinosa, G. (Globotruncana) ventricosa carinata, G. (Globotruncana) ventricosa primitiva,

Globotruncana (Globotruncana) subspinosa

Citation: Globotruncana (Globotruncana) subspinosa Pessagno 1960
Rank: Species
Type locality: Approx. 1.9 mi. from Yauco, along a dirt road running northeast from Yauco, near the city dump, along the Quebrada de Quebradas toward the Sierra Alta, in the Mayaguez-Yauco District, southern PR.
Type age: Maastrichtian
Type sample and level: Rio Yauco mudstone
Holotype Repository: Washington; USNM
Type & figured specimens: paratypes 189970 & 189971

Linked specimens: USNM-189971 USNM-189972 USNM-189970

Current identification/main database link: Radotruncana subspinosa (Pessagno, 1960)


Original Description
"Test trochospiral coiled, biconvex to moderately convex ventrally and slightly convex dorsally. Umbilicus large, often flanked by a beaded margin. Sutures straight to slightly curved dorsally, moderately curved ventrally, usually heavily beaded. Chambers more or less angular rhombohedral in shape; 6-7 chambers in last whorl; dorsal surface of chambers sometimes crenulate. Periphery single-keeled, usually quite lobulate. Wall calcareous, finely perforate. Primary aperture interiomarginal, umbilical."

References:

Pessagno, E. A. (1960). Stratigraphy and micorpaleontology of the Cretaceous and lower Tertiary of Puerto Rico. Micropaleontology. 6(1): 87-110. gs :: ::


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Globotruncana (Globotruncana) subspinosa compiled by the pforams@mikrotax project team viewed: 5-7-2020

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Short stable page link: http://mikrotax.org/pforams/index.php?id=131337 Go to Archive.is to create a permanent copy of this page - citation notes



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