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Species Globorotalia (Menardella) praemenardii Cushman & Stainforth 1945 | ||||||
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| Diagnosis / Definition: | ||||||
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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. |
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| Kennett & Srinivasan (1983): 1945 Globorotalia praemenardii Cushman & Stainforth. - Cushman & Stainforth : p.70 pl 13 figs 14 a-c
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Cushman,J.A. and Stainforth,R.M. (1945): Kennett,J. and Srinivasan,M.S. (1983): |
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| Anonymous: Unedited TaxonConcept data | ||||||
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