This list of plesiosaurs is a comprehensive listing of all genera that have ever been included in the order Plesiosauria, excluding purely vernacular terms.

The Plesiosauria[a][4] or plesiosaurs are an order or clade of extinct Mesozoic marine reptiles, belonging to the Sauropterygia. Plesiosaurs first appeared in the latest Triassic Period, possibly in the Rhaetian stage, about 203 million years ago. [5] .

Plesiosaurus (Greek: πλησίος (plesios), near to + σαῦρος (sauros), lizard) is a genus of extinct, large marine sauropterygian reptile that lived during the Early Jurassic. It is known by nearly complete skeletons from the Lias of England.

The Plesiosaur Directory is for anyone interested in any aspect of plesiosaurs and their kin. You will find information about their anatomy , classification , evolution , and stratigraphic distribution, along with data on specific genera and species .

This list of plesiosaurs shows all genera that have ever been included in the order Plesiosauria, excluding purely vernacular terms. The list includes all commonly accepted genera, as well as genera now considered invalid, doubtful (nomen dubium), or were not …

This list of plesiosaurs is a comprehensive listing of all genera that have ever been included in the order Plesiosauria, excluding purely vernacular terms.

The following list outlines additional fossil material adopted in the cladistic analysis and/or the morphometric analysis, but not figured or described herein. The list begins with specimens of uncertain taxonomic affinity (1A) and continues with a taxon list (1B). The taxon list includes the type and referred material employed in the analyses

This list of plesiosaurs is a comprehensive listing of all genera that have ever been included in the order Plesiosauria, excluding purely vernacular terms. The list includes all commonly accepted genera, but also genera that are now considered invalid, doubtful (" nomen dubium "), or were not formally published (" nomen nudum

This list of plesiosaurs is a comprehensive listing of all genera that have ever been included in the order Plesiosauria, excluding purely vernacular terms.

This list of plesiosaurs is a comprehensive listing of all genera that have ever been included in the order Plesiosauria, excluding purely vernacular terms. The list includes all commonly accepted genera, but also genera that are now considered invalid, doubtful (nomen dubium), or were not...