Claviblowiella saundersi Bolli 1959 (TaxonConcept

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Species Claviblowiella saundersi Bolli 1959

Discussion / Comments:

Boudagher-Fadel et al. (1997):
Remarks: This species is characterized by its asymmetrically ovoid chambers, which are higher in their posterior part than anteriorly. The specimens figured by Banner and Desai (1988, figs 4-6) from the earliest part of the Late Aptian and those found by us in Jebel Chenanrafa, Tunisia, from the latest part of the Early Aptian, show the phylogenetically early elongation of the chambers. This radial elongation is more pronounced, highest in mid-point, in the latest Aptian of the Maridale Formation (Bolli, 1959, fig. 11, Masters, 1977, fig. 6) and the Crimea (Gorbachik, 1986, fig. 4). The specimens figured here from the Late Aptian of Crimea (Plate 10.2, Figs 7-11) show that the ultimate and penultimate chambers can be asymmetrically higher in their posterior part.

Systematics:

22
Superfamilia Globigerinaceae
  Familia Schackoinidae
   Genus Claviblowiella
    Species Claviblowiella saundersi

Synonym list:

Boudagher-Fadel et al. (1997):

1959 Planomalina saundersi Bolli. - Bolli : p.262 pl. 20; fig. 9-11

1974 Globigerinelloides saundersi Bolli. - Longoria : p.88 pl. 3, fig. 2, 6-12; pl. 9, fig. 8, 9

1977 Globigerinelloides saundersi Bolli. - Masters : p. 412, 413 pl. 11; fig. 6

1986 Blowiella saundersi Bolli. - Gorbatchik : pl.27; fig. 4

1988 Blowiella saundersi Bolli. - Banner & Desai : p.173 pl. 9; fig. 4-6

1995 Globigerinelloides saundersi Bolli. - Weiss : pl. 2; fig. 1, 2

1997 Claviblowiella saundersi Bolli. - Boudagher-Fadel et al. : p. 191, 193 pl. 10.2, fig. 7-11; pl. 10.3, fig. 6-9; Figure: 10.1

Was used in synonym list of:

Blowiella saundersi Bolli 1959

References:

Bolli,H.M. (1959):
Planktonic foraminifera from the Cretaceous of Trinidad, B.W.I. . Bulletins of American Paleontology Vol. 39 p. 257-277

Longoria,J.F. (1974):
Stratigraphic, morphologic and taxonomic studies of Aptian planktonic Foraminifera . Revista Espanola de MicropaleontologíaNo extraord p. 1-107

Masters,B.A. (1977):
Mesozoic Planktonic Foraminifera.
In: Oceanic Micropalaeontology Eds: Ramsay, A.T.S. p. 301-731

Gorbatchik,T.N. (1986):
Jurassic and Early Cretaceous planktonic foraminifera of the south of the USSR [in Russian]. p. 239

Banner,F.T. and Desai,D. (1988):
A review and revision of the Jurassic-Early Cretaceous Globigerinina, with special reference to the Aptian assemblages of Speeton (North Yorkshire, England) . J. micropalaeontol. Vol. 7(2) p. 143-185

Weiss,W.. (1995):
Aptian planktonic foraminifers from the Wiechendorf 1/86 Borehole. . Geologisches Jahrbuch (series A) Vol. 141 p. 113-131

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

Anonymous: Unedited TaxonConcept data

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