Catalog - Globotruncana (Rugoglobigerina) petaloidea subpetaloidea Catalog - Globotruncana (Rugoglobigerina) petaloidea subpetaloidea

CATALOG OF ORIGINAL DESCRIPTIONS: Globotruncana (Rugoglobigerina) petaloidea subpetaloidea Gandolfi 1955

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 (Rugoglobigerina) -> Globotruncana (Rugoglobigerina) petaloidea subpetaloidea
Other pages this level: G. (Rugoglobigerina) beldingi beldingi, G. (Rugoglobigerina) beldingi subbeldingi, G. (Rugoglobigerina) circumnodifer subcircumnodifer, G. (Rugoglobigerina) glaessneri glaessneri, G. (Rugoglobigerina) glaessneri subglaessneri, G. (Rugoglobigerina) hexacamerata subhexacamerata, G. (Rugoglobigerina) loetterli subloetterli, G. (Rugoglobigerina) macrocephala submacrocephala, G. (Rugoglobigerina) ornata subornata, G. (Rugoglobigerina) pennyi subpennyi, G. (Rugoglobigerina) petaloidea, G. (Rugoglobigerina) petaloidea subpetaloidea, G. (Rugoglobigerina) rotundata subrotundata

Globotruncana (Rugoglobigerina) petaloidea subpetaloidea

Citation: Globotruncana (Rugoglobigerina) petaloidea subpetaloidea Gandolfi 1955
Taxonomic rank: sub-species
Type specimens: PI. 3, ng. 12a-c; 20846: type description p.52
Type sample (& lithostrat): Km. 92 section, S. 5584
Type age (chronostrat): Campanian-Maastrichtian
Type locality: A section near Km. 92 on the Fonseca-Riohacha road, Rancheria Valley, 40 km. north of Fonseca, NE part of the State of Magdalena, northern Colombia.
Type repository: Ithaca, New York; Paleontological Research Institution

Current identification/main database link: Globotruncanella petaloidea (Gandolfi, 1955)


Original Description

Test slightly convex; five chambers in the last whorl, which are short, high, and protruding with only a partially developed marginal keel. The chambers are less flattened in Globotruncana citae, the periphery is generally lobate in a more outstanding way. The test is dextrally coiling.

Size:
Dimensions of holotype: Width 0.31 x 0.26 mm.; thickness, 0.18 mm

Extra details from original publication
Remarks.—Figure 8 illustrates an isolated specimen of Rugogl. petaloidea subpetaloidea. The test of the earlv chambers is rougher and provided with hantkeninoid sp nes. A comparison of this form with the figures of Plummcrita given by Bronniniann, especially Plummcrita hantkeninoides inflata ( Bronnimann, 1952, pi. 3, figs. 7-9) which appears more primitive, is suggestive of a genetical derivation of Plummerita from such forms.

References:

Gandolfi, R. (1955). Gandolfi, R. (1955). The genus Globotruncana in northeastern Colombia. Bulletins of American Paleontology. 36: 1-118. Bulletins of American Paleontology. 36: 1-118. gs


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Globotruncana (Rugoglobigerina) petaloidea subpetaloidea compiled by the pforams@mikrotax project team viewed: 12-6-2025

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