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Chordata
Sauropsida
Plesiosauria

Plesiosauria

Plesiosauria

Phylum: Chordata
Class: Sauropsida
Order: Plesiosauria

Families of Plesiosauria present in the Cretaceous of the Western Interior Seaway

Pliosauridae

Pliosauridae

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Funding for development and construction of this webpage was provided by the National Science Foundation (DBI 1645520). The Cretaceous Atlas of Ancient Life is one component of the overarching Digital Atlas of Ancient Life project.

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