Catalog - Globigerina orbiformis Catalog - Globigerina orbiformis

CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina orbiformis Cole 1927

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 orbiformis
Other pages this level: << < G. minutula, G. moskvini, G. multiloba, G. neofalconensis, G. nepenthes, G. nepenthes delicatula, G. nepenthoides, G. nilotica, G. nipponica, G. nitida, G. nodosa, G. occlusa, G. officinalis, G. officinalis crux, G. oligocaenica, G. orbiformis, G. ouachitaensis, G. ouachitaensis gnaucki, G. ouachitaensis senilis, G. ovoidea, G. oxfordiana, G. panormensis, G. parabulloides, G. paradubia, G. paraobesa, G. paratriloculinoides, G. paravenezuelana, G. parisiensis, G. partidiana, G. parva, G. patagonica> >>

Globigerina orbiformis

Citation: Globigerina orbiformis Cole 1927
Taxonomic rank: species
Type sample (& lithostrat): Guayabal formation
Type locality: 12km E. of Potrero, Vera Cruz, Mexico
Type repository: Washington; USNM

Linked specimens: USNM-243190

Current identification:


Original Description

"Test small, spherical; sutures in most specimens very indistinct; chambers slightly if at all inflated; wall thick, reticulate; surface dull; one main aperture at the base of the last formed chamber with several, smaller apertures. 

Size:
Diameter 0.27 mm.

Extra details from original publication
Remarks: This small species is evidently the ancestor of Globigerina mexicana found in the first 80' of the formation above. It differs from the latter mainly in its constantly smaller size and rougher finish.

References:

Cole, W. S. (1927). A foraminiferal fauna from the Guayabal formation in Mexico. Bulletins of American Paleontology. 14(51): 1-36. gs

Olsson, R. K., Hemleben, C., Huber, B. T. & Berggren, W. A. (2006a). Taxonomy, biostratigraphy, and phylogeny of Eocene Globigerina, Globoturborotalita, Subbotina, and Turborotalita. In, Pearson, P. N., Olsson, R. K., Hemleben, C., Huber, B. T. & Berggren, W. A. (eds) Atlas of Eocene Planktonic Foraminifera. Cushman Foundation for Foraminiferal Research, Special Publication . 41(Chap 6): 111-168. gs O


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Globigerina orbiformis compiled by the pforams@mikrotax project team viewed: 29-4-2025

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