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Temporal range: Eocene
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Order: Crocodilia
Superfamily: Alligatoroidea
Family: Alligatoridae
Subfamily: Alligatorinae
Genus: Chrysochampsa
Estes, 1988
  • C. mlynarskii Estes, 1988 (type)

Chrysochampsa is an extinct genus of alligatorine. Fossils have been found from the Golden Valley Formation of North Dakota and date back to the Wasatchian regional North American faunal stage of the early Eocene.[1] The genus has been proposed to be synonymous with Allognathosuchus at times,[2][3] but it is now generally accepted that Chrysochampsa is distinct from all other alligatoroids and is its own taxon.[4]


  1. ^ Estes, R. (1988). "Lower vertebrates from the Golden Valley Formation, Early Eocene of North Dakota". Acta Zoologica Cracoviensia. 31 (20): 541–562. 
  2. ^ Lucas, S. G. and Sullivan, R. M. (2003). Chrysochampsa is Allognathosuchus. Journal of Vertebrate Paleontology 23:(3, supplement). 73A.
  3. ^ Lucas, S. G.; Sullivan, R. M. (2004). "The taxonomic status of Chrysochampsa, an Eocene crocodylian from North Dakota, USA and the paleobiogeography of Allognathosuchus". Neues Jahrbuch für Geologie und Paläontologie Monatshefte. 2004: 461–472. 
  4. ^ Brochu, Christopher A. (2004). "Alligatorine phylogeny and the status of Allognathosuchus Mook, 1921". Journal of Vertebrate Paleontology. 24 (4): 857–873. doi:10.1671/0272-4634(2004)024[0857:APATSO]2.0.CO;2. 

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