CATALOG OF ORIGINAL DESCRIPTIONS: Globotruncana ansarii Nakkady and Osman 1954

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 -> Globotruncana -> Globotruncana ansarii
Other pages this level: G. adamsi, G. aegyptiaca, G. aegyptiaca duwi, G. alpina, G. andori, G. ansarii, G. appenninica, G. arabica, G. araratica, G. arca caribica, G. arca esnehensis, G. arcaformis, G. aspera, G. asymetrica, G. atlantica, G. aturica, G. azerbaidjanica, G. bahijae, G. bollii, G. bulloides naussi, G. calcarata> >>

Globotruncana ansarii

Citation: Globotruncana ansarii Nakkady and Osman 1954
Rank: Species

Current identification/main database link: Globotruncana aegyptiaca Nakkady 1950

Original Description
Test trochoid, composed of two whorls, ventral side flat or slightly convex, dorsal side constantly strongly convex. The ventral side usually shows three chambers while in some specimens part of the last whorl is also visible. The last chamber is big and occupies almost half the size of the test. Sutures on the ventral side are slightly raised and beaded. On the dorsal side, the sutures are usually slightly raised, beaded and strongly curved. Umbilicus wide, deep and open. Aperture opens into the umbilicus. Keel double.


Nakkady, S. E. & Osman, A. (1954). The genus Globotruncana in Egypt, taxonomy and stratigraphical value. . 79-95. gs


Globotruncana ansarii compiled by the pforams@mikrotax project team viewed: 30-7-2021

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