Catalog - Globigerina ciperoensis angulisuturalis Catalog - Globigerina ciperoensis angulisuturalis

CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina ciperoensis angulisuturalis Bolli 1957

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 ciperoensis angulisuturalis
Other pages this level: << < G. bulloides extensa, G. bulloides incrusta, G. bulloides quadripartita, G. bulloides recumbens, G. bulloides rubra pyramidalis, G. bulloides tripartita, G. butti, G. calabra, G. calida, G. calida praecalida, G. canariensis, 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> >>

Globigerina ciperoensis angulisuturalis

Citation: Globigerina ciperoensis angulisuturalis Bolli 1957
Rank: Species
Type specimens: P5608
Type sample (& lithostrat): Cipero Formation
Type age (chronostrat): Globorotalia opima opima zone to Globigerina ciperoensis ciperoensis zone.
Type locality: Type section of the Globorotalia opima opima zone, Trinidad, sample Bo 306A (TTOC 215657).
Type repository: Washington; USNM

Linked specimens: USNM-5608

Current identification/main database link: Ciperoella angulisuturalis (Bolli, 1957)


Original Description

Shape of test very low trochospiral ; equatorial periphery almost circular, lobate, with deep, angular, U-shaped sutures between the chambers; axial periphery rounded. Wall calcareous, perforate, sm-face very finely pitted. Chambers spherical; about 10, arranged in 2 to 2½ whorls; the 5 chambers of the last whorl increase moderately in size. Sutures on spiral side depressed, radial; on umbilical side depressed, radial. Umbilicus fairly wide. Aperture arched; interiomarginal, umbilical. Coiling random.


Size:
Largest diameter of holotype 0.19 mm.

Extra details from original publication
Remarks: Globigerina ciperoensis angulisuturalis, new subspecies, is distinguished from G. ciperoensis ciperoensis by having deep cut, angular, U-shaped sutures

References:

Bolli, H. M. (1957b). Planktonic foraminifera from the Oligocene-Miocene Cipero and Lengua formations of Trinidad, B.W.I. In, Loeblich, A. R. , Jr., Tappan, H., Beckmann, J. P., Bolli, H. M., Montanaro Gallitelli & E. Troelsen, J. C. (eds) Studies in Foraminifera. U.S. National Museum Bulletin . 215: 97-123. gs V O

Olsson, R. K., Hemleben, C., Coxall, H. K. & Wade, B. S. (2018). Taxonomy, biostratigraphy, and phylogeny of Oligocene Ciperoella. In, Wade, B. S., Olsson, R. K., Pearson, P. N., Huber, B. T. & Berggren, W. A. (eds) Atlas of Oligocene Planktonic Foraminifera. Cushman Foundation for Foraminiferal Research, Special Publication . 46(Chap 7): 215-230. gs V O

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Globigerina ciperoensis angulisuturalis compiled by the pforams@mikrotax project team viewed: 2-4-2023

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