Pleurosaurus (from , 'rib' or 'side' and , 'lizard') is an extinct genus of aquatic reptiles belonging to the group Sphenodontia, extinct relatives of the modern tuatara. Pleurosaurus fossils were discovered in the Solnhofen Limestone of Bavaria, Germany and Canjuers, France. It contains two species, P. goldfussi and P. ginsburgi.Dupret, V. (2004). The pleurosaurs: anatomy and phylogeny. Revue de Paléobiologie, 9: 61-80.
