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Species Helvetoglobotruncana helvetica Bolli 1945


Discussion / Comments:
Caron (1985):
The species differs from H. praehelvetica in having a true keel throughout all chambers of the last whorl. It resembles G. gafisseri in its plano-convex test with a typical staircase-like imbricate chamber arrangement on the spiral side.
Systematics:

5
 Classis Foraminifera
  Familia Globotruncanidae
   Genus Helvetoglobotruncana
    Species Helvetoglobotruncana helvetica
Synonym list:
Caron (1985):
1945 Globotruncana helvetica Bolli. - Bolli : p.226 pl 9 fig 6
1963 Globotruncana carpathica Scheibnerova. - Scheibnerova : p.140 text-figs 2a-c
1963 Globotruncana helvetica posthelvetica Hanzlikova. - Hanzlikova : 325-327 pl 1 figs 1-4
1985 Helvetoglobotruncana helvetica Bolli. - Caron : 68, 69 figs 30.7-8
References:

Bolli,H. (1945):
Zur Stratigraphie der Oberen Kreide in den höheren helvetischen Decken . Ecoglae geologicae Helvetiae Vol. 37 p. 217-328

Scheibnerova,V. (1963):
Some new Foraminifera from the Middle Turonian of the Klippen Belt of West Carpathians in Slovakia . Geologicky Sbornik, Bratislava Vol. 14 p. 139-143

Hanzlikova,E. (1963):
Globotruncana helevetica posthelvetica n. subsp. from the Carpathian Cretaceous . Vestnik Cestnedniko Ustava Geologickecho Rocnik Vol. 38 p. 325-327

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