Lower Cretaceous ammonites from Colombia, South America. American Museum novitates ; no. 2005

Haas, Otto, 1887-2005-10-062005-10-061960http://hdl.handle.net/2246/352162 p. : ill. ; 24 cm.Includes bibliographical references (p. 61-62).20915828 bytesapplication/pdfen-USQL1 .A436 no.2005, 1960Ammonoidea -- Colombia -- Cordillera Oriental.Mollusks, Fossil -- Colombia -- Cordillera Oriental.Paleontology -- Cretaceous -- Colombia -- Cordillera Oriental.Paleontology -- Colombia -- Cordillera Oriental.Geology, Stratigraphic -- Cretaceous -- Colombia -- Cordillera Oriental.Geology -- Colombia -- Cordillera Oriental.Lower Cretaceous ammonites from Colombia, South America. American Museum novitates ; no. 2005text