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Species Globigerina (Globigerina) quinqueloba Natland 1938 | ||||||
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| Diagnosis / Definition: | ||||||
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Kennett & Srinivasan (1983): Test small, slightly compressed, trochospiral, five chambers in the final whorl, rapidly increasing in size as added; chambers inflated, subglobular; final chamber distinctly spinose, early chambers with reticulate ridges and pore pits; sutures radial, depressed; aperture an elongate slit often at the end of flaplike extension of the final chamber. |
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| Discussion / Comments: | ||||||
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Kennett & Srinivasan (1983): Gg. (Gg.) quinqueloba is morphologically similar to Gg. (Gg.) ciperoensis from which it seems to have descended during the earliest Miocene. Individuals with flaplike extension of the final chamber fused to one or more of the earlier chambers of the final whorl are common in Pliocene and Quaternary assemblages and resemble Turborotalita humilis. |
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| Systematics: | ||||||
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3 Species Globigerina (Globigerina) quinqueloba |
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| Synonym list: | ||||||
| Kennett & Srinivasan (1983): 1938 Globigerina quinqueloba Natland. - Natland : p.149 pl 6 figs 7a-c
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| References: | ||||||
Natland,M.L. (1938): Kennett,J. and Srinivasan,M.S. (1983): |
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| Anonymous: Unedited TaxonConcept data | ||||||
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