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Species Globuligerina oxfordiana Grigelis 1956 | ||||||
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| Discussion / Comments: | ||||||
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Boudagher-Fadel et al. (1996): Remarks: This species has been well described by many authors, and its aperture is very variable in shape but is always a bulimine loop, with its posterior margin set forwards into the umbilicus. A bulla covers the primary aperture and the umbilicus (Plate 2.9, Fig. 8); if the bulla is broken off, its trace almost always remains. The bulla has fewer pseudomuricae than the surface of the chambers but these pseudomuricae often fuse into very short, discontinuous ridges (BouDagher-Fadel et al., 1995, plate 1, fig. 3c) as they do on the surface of the chambers (Plate 2.9, Fig. 11). There are about five chambers in each early whorl, reducing to four in the last whorl; the H:D ratio can be quite variable maybe suggesting the possibility of dimorphism. The material illustrated here is beautifully preserved. On analysis by X-ray diffraction the test proved to be aragonitic (Chapter 1). SEM photographs of fractured walls are shown in Plate 1.2, Figs 1-5. |
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| Systematics: | ||||||
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22 Subordo Globigerinina Superfamilia Favusellacea Familia Conoglobigerinidae Genus Globuligerina Species Globuligerina oxfordiana |
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| Synonym list: | ||||||
| Banner & Desai (1988): 1985 Globuligerina oxfordiana Grigelis. - Grigelis : 93, 108 66-70
1988 Globuligerina oxfordiana Grigelis. - Banner & Desai : 148, 149 pl 1 fig 1 a-c, fig 2, figs 3a-c
Boudagher-Fadel et al. (1997): 1958 Globigerina oxfordiana Grigelis. - Grigelis : 109, 110 fig. 1a-c
1971 Globuligerina oxfordiana Grigelis. - Bignot & Guyader : p.83 pl. 1, fig. 1-3;
pl. 2, fig. 3
1986 Globuligerina oxfordiana Grigelis. - Gorbatchik : p.79 pl. 7, fig. 1-3;
pl. 9, fig. 1
p 1986 Globuligerina oxfordiana Grigelis. - Stam : p.105 pl. 7, fig. 1-5 (not fig. 6-12);
pl. 8, fig. 4-12 (not fig. 1-3);
pl. 9, fig. 1-5;
pl. 14, fig. 3, 4, 8-15 only
1986 Globuligerina oxfordiana Grigelis. - Wernli & Kindler : 137-147 pl. 1; fig. 1-4, 17-19
1987 Globuligerina oxfordiana Grigelis. - Riegraf : p.192 pl. 2; fig. 1-7
1988 Globuligerina oxfordiana Grigelis. - Banner & Desai : p.146 pl. 1; fig. 1-3
1992 Globuligerina oxfordiana Grigelis. - Samson et al. : 419, 420 pl. 4, fig. 1-14
1995 Globuligerina oxfordiana Grigelis. - Boudagher-Fadel et al. : p.182 pl. 1; fig. 2, 3
1997 Globuligerina oxfordiana Grigelis. - Boudagher-Fadel et al. : 7, 9, 49 pl. 1.1, fig. 1;
pl. 1.2, fig. 1-5;
pl. 2.9, fig. 1-15;
Figure: 2.2
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| Was used in synonym list of: | ||||||
| References: | ||||||
Grigelis,A.A. (1958): Bignot,G.. and Guyader,J.. (1971): Grigelis,A.A. (1985): Stam,B.. (1986): Wernli,R.. and Kindler,P.. (1986): Gorbatchik,T.N. (1986): Riegraf,W.. (1987): Banner,F.T. and Desai,D. (1988): Samson,Y..; Janin,M.C.. and Bignot,G.. (1992): Boudagher-Fadel,M.K.; Banner,F.T.; Bown,P.R..; Simmons,M.D. and Gorbatchik,T.N. (1995): Boudagher-Fadel,M.K.; Banner,F.T.; Gorbatchik,T.K.; Simmons,M.D. and Whittaker,J.E. (1996): Boudagher-Fadel,M.K.; Banner,F.T.; Whittaker,J.E. and Simmons,M.D. (1997): |
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| Anonymous: Unedited TaxonConcept data | ||||||
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