Catalog - Biglobigerinella kerisensis Catalog - Biglobigerinella kerisensis

CATALOG OF ORIGINAL DESCRIPTIONS: Biglobigerinella kerisensis Suleymanov 1966

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 -> B -> Biglobigerinella -> Biglobigerinella kerisensis
Other pages this level: B. algeriana, B. barri, B. kerisensis, B. multispina, B. pulchra, B. sigali

Biglobigerinella kerisensis

Citation: Biglobigerinella kerisensis Suleymanov 1966
taxonomic rank: Species

Current identification:


Original Description

[Translation from the Russian.- Test planispiral, involute, consisitng of globular, inflated chambers gradually altering in size. Five chambers in the last whorl. Last chamber divided. Peripheral margin of test rounded, contour lobate. Septal sutures simple, depressed, converging in the depressed umbilicus. Wall smooth, calcareous, secreted. Two apertures in the last, divided chamber, slit-shaped, one on each side of the last chamber at the marginal suture. Each aperture covered with a small lip. The medial position of the aperture in the earlier chambers was determined by breaking off the subsequent chambers. "Dimensions in mm.- Holotype: Diameter 0.3; thickness of the test at first chamber of last whorl 0.1; thickness of divided chamber 0.24. Other specimens: Diameter 0.22- 0.3; thickness of the test at first chamber of last whorl0.06- 0.1; thickness of divided chamber 0.15-0.24.

References:

Olsson, R. K. & Hemleben, C. (2006). Taxonomy, biostratigraphy, and phylogeny of Eocene Globanomalina, Planoglobanomalina n. gen and Pseudohastigerina. 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 14): 413-432. gs O

Suleymanov, I. S. (1966). New upper Eocene species of the genus Biglobigerinella. Paleontologicheskiy Zhurnal. 148-149. gs


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Biglobigerinella kerisensis compiled by the pforams@mikrotax project team viewed: 22-2-2024

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