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Temporal range: Late Santonian-Thanetian (Tiupampan)
~84.9–58.7 Ma
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Testudines
Suborder: Pleurodira
Family: Chelidae
Subfamily: Hydromedusinae
Genus: Yaminuechelys
De la Fuente et al. 2001[1]
  • Y. gasperinii De la Fuente et al. 2001
  • Y. maior Staesche 1929

Yaminuechelys is an extinct genus of chelid turtle from Argentina. The genus first appeared during the Late Cretaceous, and then becomes extinct during the Late Paleocene.[2]


The genus contains the following two species:


  1. ^ a b De la Fuente, M., F. Lapparent de Broin, and T. Manera de Bianco. 2001, The oldest and first nearly complete skeleton of a chelid, of the Hydromedusa sub-group (Chelidae, Pleurodira), from the Upper Cretaceous of Patagonia. Bullettin de la Société Géologique de France. 172:237–244.
  2. ^ Bona, P. & De la Fuente, M. 2005. Phylogenetic and paleobiogeographic implications of Yaminuechelys major (Staesche, 1929) new comb., a large long-necked chelid turtle from the early Paleocene of Patagonia, Argentina. Journal of Vertebrate Paleontology 25(3):569–582.
  3. ^ a b Yaminuechelys at Fossilworks.org
  4. ^ Staesche K. 1929. Schildkroteneste aus der oberen Kreide Patagoniens. Palaeontographica 72(1-6):103-123