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Heterohelix semicostata Cushman 1938 from: Van Eijden, A.J.M.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
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Anonymous: Unedited TaxonConcept data
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Species Heterohelix semicostata Cushman 1938


Discussion / Comments:
Van Eijden & Smit (1991):
Remarks. H. semicostata is extremely rare when present in the upper Maestrichtian of Site 758.
Synonym list:
Van Eijden & Smit (1991):
1938 Gublerina semicostata Cushman. - Cushman : p.16 pl. 3, figs. 6a-b
1991 Heterohelix semicostata Cushman. - Van Eijden & Smit : p.104
References:

Cushman,J.A. (1938):
Cretaceous species of Guembelina and related genera . Cushman Lab. Foraminiferal Res. Contrib. Vol. 14 p. 2-28

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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