cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia: Sauropterygia)

The Plesiosauria (Reptilia: Sauropterygia) is a group of Mesozoic marine reptiles known from abundant material, with specimens described from all continents. The group originated very near the Triassic-Jurassic boundary and persisted to the end-Cretaceous mass extinction. This study describes the results of a specimen-based cladistic study of the Plesiosauria, based on examination of 34 taxa scored for 166 morphological characters.

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