Naomichelys

Naomichelys is an extinct genus of stem turtle known from the Early Cretaceous (late Aptian-early Albian) of the western US.

Naomichelys
Temporal range: Early Cretaceous Aptian–Albian
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Family: †Helochelydridae
Genus: †Naomichelys
Hay, 1908
Type species
Naomichelys speciosa
Hay, 1908

Distribution

Naomichelys is known numerous remains from western North America, most notably the holotype partial shell from the Cloverly Formation of Montana and a complete skeleton from the Antlers Formation of Texas. It is the only known North American member of Helochelydridae.[1][2]

Taxonomy

Naomichelys is a member of the family Helochelydridae, which is known from Late Jurassic to Late Cretaceous deposits in North America and Europe.

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References
  1. Hay, O.P. 1908. The Fossil Turtles of North America. Carnegie Institute of Washington, Washington DC. https://doi.org/10.5962/bhl.title.1250
  2. W. G. Joyce, J. Sterli, and S. D. Chapman. 2014. The skeletal morphology of the solemydid turtle Naomichelys speciosa from the Early Cretaceous of Texas. Journal of Paleontology 88(6):1257-1287
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