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.
Linked specimens: London, UK; NHM (45614) London, UK; NHM (PM P 45613)
Current identification:
Original Description
Description. - Test medium-sized, concavo-convex, strongly compressed, coiled in a very low trochospire: dorsal side slightly convex, ventral side concave; equatorial per iphery roughly ovoid, slightly elongate, moderately lobate; axial periphery subrounded, compressed; chamber on the dorsal side 13, arranged in 2 sinistrally coiled whorls; the initialones are small, globigerine, compressed and increase slowly in size; the last whorl is composed of 4½, roughly lenticular, slightly compressed chambers which increase rapidly in size; on the ventral side the chambers are 4½, roughly lenticular and increase rapidly in size; sutures on the dorsal sid e curved, depressed in the early part, almost straight, depressed later: on the ventral side they are straight, radial and strongly depressed; umbilicus large, shallow and open; aperture interiomarginal, extraumbilical-umbilical covered with a prominent, flaring lip; wall calcareous, perforate; surface perfectly smooth with few, small, delicate papillae on the ventral side of the early chambers.
Size:
Extra details from original publication
El-Naggar, Z. R. (1966). Stratigraphy and planktonic foraminifera of the Upper Cretaceous-Lower Tertiary succession in the Esna-Idfu region, Nile Valley, Egypt, U. A. R. Bulletin of the British Museum (Natural History). supplement 2: 1-291. gs Loeblich, A. R. & Tappan, H. (1957b). Planktonic foraminifera of Paleocene and early Eocene Age from the Gulf and Atlantic coastal plains. 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: 173-198. gs References:

![]()
![]() |
Globorotalia kilabiyaensis compiled by the pforams@mikrotax project team viewed: 13-8-2026
Short stable page link: https://mikrotax.org/pforams/index.php?id=131161 Go to Archive.is to create a permanent copy of this page - citation notes |
This policy contains information about your privacy. By posting, you are declaring that you understand this policy:
This policy is subject to change at any time and without notice.
These terms and conditions contain rules about posting comments. By submitting a comment, you are declaring that you agree with these rules:
Failure to comply with these rules may result in being banned from submitting further comments.
These terms and conditions are subject to change at any time and without notice.
Comments