Catalog - Globigerina compressa <title>Catalog - Globigerina compressa

CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina compressa Plummer 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 compressa
Other pages this level: << < G. carteri, G. cerroazulensis, G. chascanona, G. ciperoensis, G. ciperoensis angulisuturalis, G. ciperoensis angustiumbilicata, G. ciperoensis ottnangiensis, G. circumnodifer, G. clarae, G. clarkei, G. clippertonensis, G. coalingensis, G. colomi, G. columbae, G. compacta, G. compressa, G. compressa caucasica, G. compressaformis, G. concinna, G. concinna altihelix, G. concinna anapetes, G. conglobata, G. conglomerata, G. conglomerata Terquem, G. conglomerata paula, G. conica, G. contorta, G. corpulenta, G. crassa, G. crassaformis, G. cretacea> >>

Globigerina compressa

Citation: Globigerina compressa Plummer 1927
Rank: Species
Type specimens: PI. VIII, figs,11a-c; UC 55091
Type age (chronostrat): Danian
Type locality: Zone P2, Wills Point Fm., Midway Group (upper Danian), Navarro County, Texas
Type repository: Chicago; Walker Museum Collection, The Field Museum, Chicago, IL, USA; paratype Washington; USNM

Linked specimens: USNM-488563

Current identification/main database link: Globanomalina compressa (Plummer 1927)


Original Description

Test small, rotaliform, closely coiled, somewhat compressed, equally bioconvex; peripheral margin bluntly angular, lobate; chambers increasing gradually, 5 in last-formed whorl, moderately inflated, overlapping on dorsal face; sutures distinctly depressed and strongly curved on the dorsal side; shell wall thin, smooth, finely punctate; aperture a single moderately arched slit protected by a definite flaring flap at base of septal face and extending into the small but distinct umbilical depression.

Size:
Diameter up to .4 mm.; average .3 mm."

Etymology:

Extra details from original publication
In general the structure of the test resembles G. pseudobulloides, but its shell surface is finer and smoother, the chambers are distinctly compressed rendering the periphery obtusely angular, the sutures curve markedly on the dorsal face, and the size of the test is smaller.
In the upper Midway G. compressa is common in the siltless clays that carry a fauna rich in hyaline species. No similar species occurs in Cretaceous formations. One in the Claiborne referred to G. aequilateralis bears a resemblance in the shape of its chambers but differs in its manner of coiling.

Editors' Notes

References:

Olsson, R. K., Hemleben, C., Berggren, W. A. & Huber, B. T. (1999). Atlas of Paleocene Planktonic Foraminifera. Smithsonian Institution Press, Washington, DC. 1-252. gs

Plummer, H. J. (1927). Foraminifera of the Midway Formation in Texas. University of Texas Bulletin. 2644: 1-206. gs V O

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Globigerina compressa compiled by the pforams@mikrotax project team viewed: 6-2-2023

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Comments (1)

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Le Coze

The date of publication is 1927 see p. 9, footnote: "Manuscript submitted September, 1926 ; issued April, 1927."

Plummer, H. J. (1927). Foraminifera of the Midway formation in Texas. University of Texas Bulletin. 2644[1926]: 1-206., available online at https://repositories.lib.utexas.edu/bitstream/handle/2152/23665/UT-bulletin-no2644.pdf

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Jeremy Young (UK)

changed that - and this means all species from the publication are now cited the same way.

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