Maresaurus Gasparini, 1997
Maresaurus has been classified as apliosaurid and as a rhomaleosaurid.
Classification
Sauropterygia --> Eosauropterygia --> Eusauropterygia --> Pistosauroidea --> Plesiosauria --> Pliosauroidea --> Rhomaleosauridae
M. coccai Gasparini, 1997
Material
Type material: MOZ 4386 V Museo Prof. Olsacher, Zapala, Neuquén, articulated skull and mandible, atlas-axis and first cervical vertebrae.
Age and Location
Upper part of the Los Molles Formation, Cuyo Group, Emileia giebeli and Emileia multiformis subzone, Lower Bajocian, Middle Jurassic, Chacaico Sur, (39* 15' S, 70* 18' W), 70 km southwest of Zapala, Neuquén Province, Argentina.






