Catalog - Zeauvigerina aegyptiaca <title>Catalog - Zeauvigerina aegyptiaca

CATALOG OF ORIGINAL DESCRIPTIONS: Zeauvigerina aegyptiaca Said and Kenawy 1956

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 -> Z -> Zeauvigerina -> Zeauvigerina aegyptiaca
Other pages this level: Z. aegyptiaca, Z. lodoensis, Z. parri, Z. teuria, Z. zelandica

Zeauvigerina aegyptiaca

Citation: Zeauvigerina aegyptiaca Said and Kenawy 1956
Rank: Species
Type specimens: P4091
Type locality: Paleocene, Esna Shale, measured section at Nekhl, lat. 29 50'N., long 33 34' E., northern Sinai, Egypt
Type repository: Washington; USNM

Linked specimens: USNM-4091

Current identification/main database link: Zeauvigerina aegyptiaca Said and Kenawy 1956


Original Description

Test small, about twice as long as broad, gradually broadening from the subacute initial end to the point of greatest breadth, which is slightly above the middle, after which the sides become parallel; periphery slightly rounded, in transverse section some what rectangular; biserial throughout; chambers broader than high, indistinct; sutures indistinct, slightly depressed; wall smooth; aperture rounded, at the end of a short but distinct neck, with a weakly-developed lip. 

Size:
Length 0.3 mm; breadth 0.2 mm."

Etymology:

Extra details from original publication
This species was found in samples no. 21, 8 and 9, Nekhl, and no. 835, Giddi. It is a distinctive species, which is here assigned to the genus Zeauvigerina, although this genus was recently suppressed by Loeblich ( 1951) after a study of the genotype of Eouvigerina. Zeauvigerina deserves to be re-established, to include forms that are completely biserial and with the aperture on a neck. The discovery of the present species in the material examined extends the range of this genus into the Cretaceous.

Editors' Notes

References:

Huber, B. T., Olsson, R. K. & Pearson, P. N. (2006). Taxonomy, biostratigraphy, and phylogeny of Eocene microperforate planktonic foraminifera (Jenkinsina, Cassigerinelloita, Chiloguembelina, Streptochilus, Zeauvigerina, Tenuitella, and Cassigerinella) and Problematica (Dipsidripella). 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 16): 461-508. gs V O

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

Said, R. & Kenawy, A. (1956). Upper Cretaceous and lower Tertiary foraminifera from northern Sinai, Egypt. Micropaleontology. 2: 105-173. gs

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Zeauvigerina aegyptiaca compiled by the pforams@mikrotax project team viewed: 31-1-2023

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