Pachyrhizodus

Pachyrhizodus is an extinct genus of ray-finned fish that lived during the Late Cretaceous in the Western Interior Seaway in North America and in Colombia, South America. The type species is P. basalis.[2] The species P. etayoi, described in 1997 by María Páramo from the La Frontera Formation in Colombia, was named honouring Colombian geologist and paleontologist Fernando Etayo.

Pachyrhizodus
Temporal range: Cenomanian-Maastrichtian
~94.3–66 Ma
Pachyrhizodus caninus skeletons
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Superclass:
Osteichthyes
Class:
Actinopterygii
Order:
Elopiformes
Suborder:
Elopoidei
Family:
Pachyrhizodontidae

Cope 1872
Genus:
Pachyrhizodus

Dixon 1850
Species [1]
  • P. caninus Cope 1872
  • P. etayoi Páramo 1997
  • P. leptopsis Cope 1874
  • P. minimus Stewart 1899
  • Fossil with gut content
  • Restoration of P. caninus and P. minimus
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References
  1. Mike Everhart (February 2, 2010). "Pachyrhizodus. A Large Predatory Fish from the Late Cretaceous Western Interior Sea". Oceans of Kansas Paleontology. Retrieved May 5, 2011.
  2. Pachyrhizodus at Fossilworks.org

Bibliography
  • Wildlife of Gondwana: Dinosaurs and Other Vertebrates from the Ancient Supercontinent (Life of the Past) by Pat Vickers Rich, Thomas Hewitt Rich, Francesco Coffa, and Steven Morton
  • Kansas Geology: An Introduction to Landscapes, Rocks, Minerals, and Fossils by Rex Buchanan


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