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Globorotalia (Menardella) praemenardii Cushman & Stainforth 1945 from: Kennett, J.Srinivasan, M.S. (1983): Neogene Planktonic Foraminifera - A Phylogenetic Atlas.
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Species Globorotalia (Menardella) praemenardii Cushman & Stainforth 1945


Alternative name:
Diagnosis / Definition:
Kennett & Srinivasan (1983):
Test low trochospiral, equatorial periphery moderately lobulate, axial periphery acute with a narrow but distinct keel; chambers compressed, five to six chambers in the final whorl, increasing rapidly in size; sutures on spiral side strongly curved, flush on the early chambers, slightly raised on the later; on umbilical side slightly curved to radial, depressed; surface smooth, finely perforate; umbilicus narrow, shallow; aperture interiomarginal, extraumbilical-umbilical with a low slit, bordered by a lip.
Synonym list:
Kennett & Srinivasan (1983):
1945 Globorotalia praemenardii Cushman & Stainforth. - Cushman & Stainforth : p.70 pl 13 figs 14 a-c
Was used in synonym list of:
References:

Cushman,J.A. and Stainforth,R.M. (1945):
The foraminifers of the Cipero Marl Formation of Trinidad, British West Indies . Journal of Foraminiferal Research Vol. 14 p. 1-75

Kennett,J. and Srinivasan,M.S. (1983):
Neogene Planktonic Foraminifera - A Phylogenetic Atlas.

Anonymous: Unedited TaxonConcept data
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