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Species Globorotalia (Menardella) exilis Blow 1969 | ||||||
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| Diagnosis / Definition: | ||||||
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Kennett & Srinivasan (1983): Test large, thin, delicate, lenticular trochospire, five to seven chambers in the final whorl, equatorial periphery lobulate, axial periphery acute with thin keel; sutures on spiral side recurved, generally overlapped by succeeding chambers, limbate, merging into keel; umbilical side radial, depressed; surface smooth, finely perforate ;umbilicus narrow, deep; aperture a low-arched slit, interiomarginal, umbilical-extraumbilical. |
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| Discussion / Comments: | ||||||
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Kennett & Srinivasan (1983): Gr. (Menardella) exilis is distinguished from Gr. (M.) limbata by having a more compressed, thinner, and delicate test. This species is closely related to Gr. (M.)pertenuis, which is larger and has a distinctly more lobate and compressed test. |
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| Synonym list: | ||||||
| Kennett & Srinivasan (1983): 1969 Globorotalia cultrata exilis Blow. - Blow : p.396 pl 7 figs 1-3
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| References: | ||||||
Blow,W.H. (1969): Kennett,J. and Srinivasan,M.S. (1983): |
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| Anonymous: Unedited TaxonConcept data | ||||||
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