Maresaurus Temporal range:Bajocian ~171–169 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Superorder:	†Sauropterygia
Order:	†Plesiosauria
Family:	†Rhomaleosauridae
Genus:	†Maresaurus Gasparini, 1997
Species:	†M. coccai
Binomial name
†Maresaurus coccai Gasparini, 1997

Maresaurus is anextinctgenus ofplesiosaur from theMiddle Jurassic (Bajocian)Los Molles Formation ofArgentina. Thetype species,Maresaurus coccai, was named by Gasparini in 1997. Recent phylogenetic analysis foundMaresaurus to be a rhomaleosaurid.^[1][2]

• List of plesiosaur genera
• Timeline of plesiosaur research

• Smith, Adam S. and Dyke, Gareth J. (2008) "The skull of the giant predatory pliosaurRhomaleosaurus cramptoni: implications for plesiosaur phylogenetics".Naturwissenschaften.
• Maresaurus from the Plesiosaur Directory

• Rhomaleosauridae
• Middle Jurassic plesiosaurs
• Plesiosaurs of South America
• Bajocian life
• Jurassic Argentina
• Fossils of Argentina
• Neuquén Basin
• Fossil taxa described in 1997
• Sauropterygian genera

• Articles with short description
• Short description is different from Wikidata
• Articles with 'species' microformats
• Taxonbars with multiple manual Wikidata items
• Taxonbars of monotypic genera missing species