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Species Globorotalia cibaoensis Bermudez 1949 | ||||||
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| Discussion / Comments: | ||||||
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Chaisson & Leckie (1993): Similar species: Globorotalia cibaoensis is a variable taxon, particularly in its peripheral outline. It ranges from biconvex to nearly planoconvex, with the spiral side being nearly flat and in extreme cases slightly concave. The planoconvex forms tend to have five chambers, rather than four to four and a half, and resemble G. crassula in possessing an angular, keel-like final chamber. G. juanai has more inflated chambers on the umbilical side and a more rounded periphery. G. margaritae differs from G. cibaoensis in being concavo-convex (i.e., convex ventral side) and in possessing a thin keel. Also see Globorotalia scitula. |
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| Synonym list: | ||||||
| Chaisson & Leckie (1993): 1949 Globorotalia cibaoensis Bermudez. - Bermudez : p.285 pl. 22; fig. 21-23
1983 Globorotalia (Hirsutella) cibaoensis Bermudez. - Kennett & Srinivasan : p.136 pl. 32; fig. 1-3
1993 Globorotalia cibaoensis Bermudez. - Chaisson & Leckie : p.174 pl. 6; fig. 12-14 and 19
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| Stratigraphy - absolute ages: | ||||||
| FAD: 7.8 ± 0 [Ma], Berggren et al. (1995) |
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| References: | ||||||
Bermudez,P.J. (1949): Kennett,J. and Srinivasan,M.S. (1983): Chaisson,W.P. and Leckie,R.M. (1993): Berggren,W.A.; Kent,D.V.; Swisher,C.C. and Aubry,M.P. (1995): |
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| Anonymous: Unedited TaxonConcept data | ||||||
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Taxon relations
Ranking (experimental) |
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