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Species Abathomphalus intermedius Bolli 1951


Discussion / Comments:
Caron (1985):
This species has been described as a transitional form from Globotruncanella havanensis to A. mayaroensis. It has a wide umbilical area and inflated chambers on the spiral side; the ventral keel may be absent on the last chambers of the final whorl.
Van Eijden & Smit (1991):
Remarks. Usually rare, commonly small, and with the second keel typically weakly developed, the A. intermedius that were found are intermediate with Globotruncanella pschadae (Keller, 1946).
Systematics:

5
 Classis Foraminifera
  Familia Globotruncanidae
   Genus Abathomphalus
    Species Abathomphalus intermedius
Synonym list:
Caron (1985):
1951 Globotruncana intermedia Bolli. - Bolli : pl 35 figs 7-9 (type reference)
1985 Abathomphalus intermedius Bolli. - Caron : p.48 figs 21.7-9, 11, 13, 14
Huber (1990):
1951 Globotruncana intermedia Bolli. - Bolli : p. 197-198 pl. 35, figs. 7-9.
1990 Abathomphalus intermedius Bolli. - Huber : Pl. 5, Figs. 5-6
Van Eijden & Smit (1991):
1951 Globotruncana intermedia Bolli. - Bolli : p.198 pl. 35, figs. 7-9
1991 Abathomphalus intermedius Bolli. - Van Eijden & Smit : p.105
References:

Bolli,H.M. (1951):
The genus Globotruncana in Trinidad, B.W.I. . Journal of Paleontology Vol. 25 p. 187-199

Caron,M. (1985):
Cretaceous planktic foraminifera.
In: Plankton stratigraphy Eds: Bolli, H.M.Saunders, J.B.Perch-Nielsen, K. p. 17–86

Huber,B.T. (1990):
Maestrichtian planktonic foraminifer biostratigraphy of the Maud Rise (Weddell Sea, Antarctica): ODP Leg 113 Holes 689B and 690C.
In: Proceedings of the Ocean Drilling Program, Scientific Results Vol. 113 Eds: Barker, P.F.Kennett, J.P.O'Connell, S.B.Pisias, N.G. p. 489-513

Van Eijden,A.J.M. and Smit,J. (1991):
Eastern Indian Ocean Cretaceous and Paleogene quantitative biostratigraphy.
In: Proceedings of the Ocean Drilling Program, Scientific Results Vol. 121 Eds: Weissel, J.Peirce, J.Taylor, E.Alt, J. p. 77-123
Anonymous: Unedited TaxonConcept data
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