Abstract
Describes ammonites from Coniacian (Cretaceous) deposits of the eastern cordilleran region of Colombia, and discusses the stratigraphic relations of Cretaceous formations along the cordillera on the basis of included faunas. Descriptions of new species of the new subgenus Donjuaniceras and the new genus Subprionotropis are included.
This content is PDF only. Please click on the PDF icon to access.
You do not have access to this content, please speak to your institutional administrator if you feel you should have access.