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Species Globorotalia (Hirsutella) juanai Bermudez & Bolli 1969 | ||||||
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| Diagnosis / Definition: | ||||||
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Kennett & Srinivasan (1983): Test small, very low trochospiral, biconvex, equatorial periphery slightly lobulate; axial periphery rounded with a tendency to become subangular; chambers inflated on umbilical side, four to four and a half in the final whorl, increasing moderately to rapidly in size; sutures on spiral side oblique, depressed, on umbilical side radial, depressed; surface smooth, finely and densely perforate, pustulate on early chambers on umbilical side; umbilicus narrow; aperture interiomarginal, extraumbilical-umbilical, a low arch or slit bordered by a thin lip. |
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| Discussion / Comments: | ||||||
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Kennett & Srinivasan (1983): Gr. (H.) juanai is distinguished from Gr. (H.) scitula and Gr. (H.) margaritae by its rounded periphery and umbonate early chambers. |
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| Kennett & Srinivasan (1983): 1969 Globorotalia juanai Bermudez & Bolli. - Bermudez & Bolli : 171-172 pl 14 figs 1-6
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| References: | ||||||
Bermudez,P.J. and Bolli,H.M. (1969): Kennett,J. and Srinivasan,M.S. (1983): |
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| Anonymous: Unedited TaxonConcept data | ||||||
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