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Species Globorotalia (Hirsutella) hirsuta d'Orbigny 1839 | ||||||
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| Diagnosis / Definition: | ||||||
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Kennett & Srinivasan (1983): Test large, high trochospiral, highly convex on spiral side, concave on umbilical side, equatorial periphery ovate weakly lobulate, axial periphery biconvex, strongly tumid on spiral side; four chambers in the final whorl, increasing rapidly in size; sutures on spiral side strongly curved, depressed, on umbilical side sinuously radial, depressed; surface covered with pustular projections, concealed on early chambers by secondary thickening, finely perforate; umbilicus narrow, deep; aperture a low slit with an indistinct lip, interiomarginal, extraumbilical-umbilical. |
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| Discussion / Comments: | ||||||
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Kennett & Srinivasan (1983): Gr. (H.) hirsuta is distinguished by its thick, relatively high-spired test, four chambers in the final whorl, and pustulose surface. |
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| Kennett & Srinivasan (1983): 1839 Rotalina hirsuta d'Orbigny. - d'Orbigny : p.131 pl 1 figs 34-36
1960 Rotalina hirsuta d'Orbigny. - Banner & Blow : p.33 pl 5 fig 4 (lectotype)
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| References: | ||||||
d'Orbigny,A.D. (1839): Banner,F.T. and Blow,W.H. (1960): Kennett,J. and Srinivasan,M.S. (1983): |
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| Anonymous: Unedited TaxonConcept data | ||||||
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