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Temporal range: Late Jurassic, Oxfordian
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Order: Plesiosauria
Family: Aristonectidae or Cryptoclididae
Genus: Tatenectes
O'Keefe and Wahl, 2003
Species: T. laramiensis
Binomial name
Tatenectes laramiensis
(Knight, 1900)
  • Cimoliasaurus laramiensis Knight, 1900

Tatenectes is an extinct genus of cryptoclidid plesiosaur known from the Upper Member of the Sundance Formation (late Jurassic) of Wyoming.[1] It was named by O'Keefe and Wahl in 2003 and the type species is Tatenectes laramiensis.[1]

See also[edit]


  1. ^ a b F. Robin O'Keefe and Hallie P. Street (2009). "Osteology Of The Cryptoclidoid Plesiosaur Tatenectes laramiensis, With Comments On The Taxonomic Status Of The Cimoliasauridae" (PDF). Journal of Vertebrate Paleontology. 29 (1): 48–57. doi:10.1671/039.029.0118.