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Species Lilliputianella bizonae Chevalier 1961


Discussion / Comments:
Banner & Desai (1988):
The species is characterised by inflated chambers with distinctly convex sides, especially on the umbilical side of the test, and with broadly and very deeply depressed intercameral sutures. The chambers become radially elongate and swollen in the latter half of the last whorl, and are distally broadly rounded or broadly pointed: these chambers attain their greatest breadth beyond the limits of the intercameral sutures (unlike L. kuhryi,in which the greatest breadth of each chamber is attained while adjacent chambers are still in contact). L. bizonae characteristically possesses a broad, shallow umbilicus in which relict apertures of at least the last three chambers are visible, and the radial elongation of the chambers in the latter part of the last whorl produces all gradations from highly domed to pointed ovoid within and between tests.
Boudagher-Fadel et al. (1997):
Remarks: This species is characterized by having 5,5 to 6 chambers in the last whorl, which become radially elongated and broadly pointed, and a broad, shallow umbilicus in which relict apertures of at least three chambers are visible. The type specimens of bizonae and bollii are identical (our Plate 9.3, Figs 8-10 and Figs 15-17, respectively), and are therefore considered here to be synonymous.
Systematics:

22
 Superfamilia Globigerinaceae
  Familia Praehedbergellidae
   Subfamilia Praehedbergellinae
    Genus Lilliputianella
     Species Lilliputianella bizonae
Synonym list:
Banner & Desai (1988):
p 1959 Hastigerinella aff. subcretacea Tappan. - Bolli : p.271 pl 23 figs 10,11,13 (not fig 12)
1961 Hastigerinella bizonae Chevalier. - Chevalier : p.34 pl 1 figs 24-28
1971 Clavihedbergella bizonae Chevalier. - Gorbatchik : p.138 pl 30 figs 4a-b
1971 Clavihedbergella bizonae Chevalier. - Kuhry : 231-232 pl 3 figs 2a-c
1986 Clavihedbergella bizonae Chevalier. - Gorbatchik : pl 26 fig 3
Boudagher-Fadel et al. (1997):
1961 Hastigerinella bizonae Chevalier. - Chevalier : p.34 pl. 1; fig. 24-28
1971 Clavihedbergella bizonae Chevalier. - Gorbatchik : p.138 pl. 30; fig. 4a-b
1974 Hedbergella bollii Longoria. - Longoria : p.53 pl. 13; fig. 1, 2, 6-8, 10-14
1986 Clavihedbergella bollii Longoria. - Gorbatchik : p. 106, 107 pl. 26; fig. 4-6
1988 Lilliputianella bizonae Chevalier. - Banner & Desai : p.168 pl. 7; fig. 12-15
1993 Lilliputianella bizonae Chevalier. - Shahin : p.422
? 1995 Globigerinelloides bizonae Chevalier. - Weiss : pl. 2; fig. 3-5
1997 Lilliputianella bizonae Chevalier. - Boudagher-Fadel et al. : p.173 pl. 9.3; fig. 8-17; Figure: 9.1
1997 Lilliputianella bizonae Chevalier. - Boudagher-Fadel et al. : pl. 5, fig. 5, 6; pl. 6, fig. 6-9
Was used in synonym list of:
Praehedbergella bizonae Chevalier 1961
References:

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

Chevalier,J. (1961):
Quelques nouvelles espèces dans le Cretaceinférieur méditerranéen . Revue de Micropaléontologie Vol. 4 p. 30-36

Gorbatchik,T.N. (1971):
On Early Cretaceous foraminifera of the Crimea [in Russian] . Voprosy Mikropaleontologii Vol. 14 p. 125-139

Kuhry,B. (1971):
Lower Cretaceous planktonic foraminifera from the Miravetes, Argos and Represa formations (S.E. Spain) . Revista Espanola de Micropaleontología Vol. 3 p. 219-237

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

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

Shahin,A.M.. (1993):
Biostratigraphy of the subsurface Lower Cretaceous succession in the Bardawli area, northern Sinai, Egypt. . Neues Jahrbuch fir Geologie und Paläontologie, Monatshefte p. 413-433

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

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
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