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Species Rugotruncana subpennyi Gandolfi 1955


Discussion / Comments:
Caron (1985):
R. subpennyi differs from R. subcircumnodifer in having 6 instead of 4-5 chambers forming the last whorl, a flat spiral side and two more closely spaced keels, often absent in the two final chambers.
Systematics:

5
 Classis Foraminifera
  Familia Globotruncanidae
   Genus Rugotruncana
    Species Rugotruncana subpennyi
Synonym list:
Caron (1985):
1955 Globotruncana (Rugoglobigerina) pennyi subpennyi Gandolfi. - Gandolfi : p.73 pl 7 figs 7a-c (type reference)
1985 Rugotruncana subpennyi Gandolfi. - Caron : p.74 figs 34.13-14
References:

Gandolfi,R. (1955):
The genus Globotruncana in Northeastern Colombia . Bulletins of American paleontology Vol. 36 p. 7-118

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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