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Blefuscuiana excelsa cumulus Banner et al. 1993 from: Boudagher-Fadel, M.K.Banner, F.T.Whittaker, J.E.Simmons, M.D. (1997): Early Evolutionary History of Planktonic Foraminifera. Vol. 1
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Subspecies Blefuscuiana excelsa cumulus Banner et al. 1993


Discussion / Comments:
Boudagher-Fadel et al. (1997):
Remarks: This subspecies has five slightly depressed (h/L = 0.6 approx.) chambers abutting the umbilicus, a strongly convex dorsal side (d/t = 0.4 approx.) (this convexity being more pronounced in some specimens, Plate 8.5, Fig. 10)a small and deep umbilicus and a narrow aperture with a thin rim.
Systematics:

22
 Superfamilia Globigerinaceae
  Familia Praehedbergellidae
   Subfamilia Praehedbergellinae
    Genus Blefuscuiana
     Species Blefuscuiana excelsa
      Subspecies Blefuscuiana excelsa cumulus
Synonym list:
Boudagher-Fadel et al. (1997):
1993 Blefuscuiana excelsa cumulus Banner et al.. - Banner et al. : p.11 pl. 6; fig. 1a-c, 2a-c
1997 Blefuscuiana excelsa cumulus Banner et al.. - Boudagher-Fadel et al. : p.145 pl. 8.5; fig. 7-12; Figure: 8.1
1997 Blefuscuiana excelsa cumulus Banner et al.. - Boudagher-Fadel et al. : pl. 2; fig. 1-8 (in press)
References:

Banner,F.T.; Copestake,P.. and White,M.R.. (1993):
Barremian-Aptian Praehedbergellidae of the North Sea area: a reconnaissance . Bulletin of The Natural History Museum, London (Geology) Vol. 49 p. 1-30

Boudagher-Fadel,M.K.; Banner,F.T.; Whittaker,J.E. and Simmons,M.D. (1997):
Early Evolutionary History of Planktonic Foraminifera. Vol. 1

Boudagher-Fadel,M.K.; Banner,F.T.; Gorbatchik,T.N. and Simmons,M.D. (1997):
Barremian-Aptian planktonic foraminifera from the Crimea, compared to those from Tunisia and the North Sea area..
In: Micropalaeontology of the Former Soviet Union Eds: Simmons, M.D.
Anonymous: Unedited TaxonConcept data
Creative Commons Attribution 2.5 License
This work is licensed under a Creative Commons Attribution 2.5 License.