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Micropaleontological studies on the Thebes Formation of the Red Sea Coast and the Nile Valley, Egypt

Published online by Cambridge University Press:  26 July 2017

Mahmoud M. Aref  and
Abbas I. Kenawy
Mahmoud M. Aref
Affiliation:
Dept. of Geology, Kena University, Kena
Abbas I. Kenawy
Affiliation:
Dept. of Geology, Assiut University, Assiut, Egypt

Abstract

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Thirty-eight species of larger foraminifera belonging to Nummulites, Operculina and Assilina are recorded, identified and systematically described from 5 stratigraphic sections of the Thebes Formation in the Red Sea Coast and the Nile Valley, Egypt.

According to these species the age assigned to the Thebes Formation is Lower Eocene (Ypresian).

The Nummulites species are subdivided here into 6 groups based on their evolutionary lineage following Schaub (1981). Moreover, spiral diagrams for the different species showing the relation between the number of whorls and the corresponding radius in median sections are drawn.

Type
21. Evolution and Functional Morphology
Information
The Paleontological Society Special Publications , Volume 6: Fifth North American Paleontological Convention-Abstracts and Program , 1992 , pp. 8
Copyright
Copyright © 1992 Paleontological Society