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Subspecies Praehedbergella tuschepsensis grigelisi Banner & Desai 1988 | ||||||
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| Discussion / Comments: | ||||||
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Boudagher-Fadel et al. (1997): Remarks: P. tuschepsensis grigelisi has five chambers in the first whorl, reducing from four and a half to four in the final whorl. The final chambers are very slightly depressed (h/L = 0.92 approx.). The umbilicus is small (u/uh = 0.19 approx.) The aperture is a narrow slit, extending from the umbilicus to the periphery and is furnished with a porticus. The spiral side is slightly convex. The revision of the nature of this species shows us that P. tuschepsensis grigelisi differs from P. tuschepsensis s.s in possessing higher chambers, a slightly more convex spiral side and a narrower umbilicus. |
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| Systematics: | ||||||
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22 Superfamilia Globigerinaceae Familia Praehedbergellidae Subfamilia Praehedbergellinae Genus Praehedbergella Subspecies Praehedbergella tuschepsensis grigelisi |
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| Synonym list: | ||||||
| Boudagher-Fadel et al. (1997): 1959 Globigerina sp.1 Obregon. - Obregon De La Parra : p.150 pl. 3; fig. 7a-b
sic! 1988 Praehedbergella grigelisae Banner & Desai. - Banner & Desai : p.154 pl. 2; fig. 11-13 (?8-10)
1997 Praehedbergella tuschepsensis grigelisi Banner & Desai. - Boudagher-Fadel et al. : p.113 pl. 7.1; fig. 12-14; Figure: 7.1
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| References: | ||||||
Obregon De La Parra,J. (1959): Banner,F.T. and Desai,D. (1988): 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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Taxon relations
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