Named By: J. O. Calvo, B. J. González Riga & J. D. Porfiri - 2007.
Classification: Chordata, Reptilia, Dinosauria, Saurischia, Sauropoda, Titanosauria.
Species: M. pecheni (type).
Size: About 11 meters long.
Known locations: Argentina, Neuquén Province - Plottier Formation.
Time period: Coniacian of the Cretaceous.
Fossil representation: Partial skull and post cranial skeletal remains.
Named after the Mapuche word for the Colorado River (Muyelen) Muyelensaurus was a genus of titanosaur that lived in Argentina during the Coniacian of the Cretaceous. Muyelensaurus is notable by being a particularly gracile genus of titanosaur.
A new titanosaur sauropod from the Late Cretaceous of Neuquén, Patagonia, Argentina. - Arquivos do Museu Nacional, Rio de Janeiro 65(4):485-504. - J. O. Calvo, B. J. González Riga & J. D. Porfiri - 2007.