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Species Globorotalia truncatulinoides d'Orbigny 1839 | ||||||
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Alternative name: | ||||||
Discussion / Comments: | ||||||
Chaisson & Leckie (1993): Remarks: In its sensu stricto form, this species possesses a raised keel; however, many early forms show only an imperforate band, particularly on the earliest formed chamber of the final whorl. At Site 806 no obvious stratigraphic progression toward the development of the raised keel was observed. The deepest specimens have a distinct keel around the entire periphery; therefore, the presence or absence of a raised keel was probably a function of the degree of secondary calcification during ontogeny. Similar species: See Globorotalia tosaensis. |
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Synonym list: | ||||||
Vincent & Toumarkine (1990): 1839 Globorotalia truncatulinoides d'Orbigny. - d'Orbigny : p. 132 pl.2, figs.25-27
1990 Globorotalia truncatulinoides d'Orbigny. - Vincent & Toumarkine : p. 834 pl.5, figs. 12, 18 and 23
Chaisson & Leckie (1993): 1839 Rotalia truncatulinoides d'Orbigny. - d'Orbigny : p.132 pl. 2; fig. 25-27
1972 Globorotalia truncatulinoides d'Orbigny. - Lamb & Beard : p.56 pl. 24, fig. 1-4;
pl. 25, fig. 1-7;
pl. 26, fig. 1-3
1972 Globorotalia truncatulinoides d'Orbigny. - Jenkins & Orr : p.1104 pl. 33; fig. 4-6
1975 Globorotalia truncatulinoides d'Orbigny. - Stainforth et al. : fig. 209-211
1983 Globorotalia (Truncorotalia) truncatulinoides d'Orbigny. - Kennett & Srinivasan : p.148 pl. 34, fig. 2;
pl. 35, fig. 4-6
1985 Globorotalia truncatulinoides truncatulinoides d'Orbigny. - Bolli & Saunders : p.234 fig. 37.4-37.5
1993 Globorotalia truncatulinoides d'Orbigny. - Chaisson & Leckie : p.174 pl. 6; fig. 3-4
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Was used in synonym list of: | ||||||
Stratigraphy - absolute ages: | ||||||
FAD: 2.58 ± 0 [Ma], Berggren et al. (1995) Southwest Pacific FAD: 2 ± 0 [Ma], Berggren et al. (1995) Mediterranean FAD: 2 ± 0 [Ma], Norris (1998) ODP Leg 159 Site 959 |
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References: | ||||||
d'Orbigny,A.D. (1839): Jenkins,D.G. and Orr,W.N. (1972): Lamb,J.L. and Beard,J.H. (1972): Stainforth,R.M.; Lamb,J.L.; Luterbacher,H.P.; Beard,J.H. and Jeffords,R.M. (1975): Kennett,J. and Srinivasan,M.S. (1983): Bolli,H.M. and Saunders,J.B. (1985): Vincent,E. and Toumarkine,M. (1990): Chaisson,W.P. and Leckie,R.M. (1993): Berggren,W.A.; Hilgen,F.J.; Langereis,C.G.; Kent,D.V.; Obradovich,J.D.; Raffi,I.; Raymo,M.E. and Shackleton,N.J. (1995): Norris,R.D. (1998): |
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Anonymous: Unedited TaxonConcept data | ||||||
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