Ammonoids from the Maastrichtian (Late Cretaceous) at El Zancudo, Nuevo Laredo, Tamaulipas, Mexico

@inproceedings{Ifrim2013AmmonoidsFT,
  title={Ammonoids from the Maastrichtian (Late Cretaceous) at El Zancudo, Nuevo Laredo, Tamaulipas, Mexico},
  author={C. Ifrim and W. Stinnesbeck},
  year={2013}
}
  • C. Ifrim, W. Stinnesbeck
  • Published 2013
  • Geology
  • A small assemblage of Maastrichtian ammonoids was collected at El Zancudo, south of Nuevo Laredo, Mexico, on the border with Texas. They are preserved as goethitic internal moulds of the innermost whorls. Nine taxa are described in abbreviated form. Eight taxa have been recorded from northeastern Mexico before: Baculites ovatus, Brahmaites (Anabrahmaites) vishnu (Forbes, 1846), Diplomoceras cylindraceum, Fresvillia sp. indet., Gaudryceras kayei, Hypophylloceras (Neophylloceras) cf. H. (N… CONTINUE READING
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