Epachthosaurus

Epachthosaurus (meaning "heavy lizard") was a genus of titanosaurian sauropod dinosaur, belonging to Lithostrotia, from the Late Cretaceous of Central and Northern Patagonia in South America.

==Discovery and naming== thumb|left|Skeleton cast, Coquimbo The type species, E. sciuttoi, was described by Powell in 1990. The bones assigned to it by Powell in 1990 were, originally, assigned to Antarctosaurus sp., and then to Argyrosaurus superbus?, before being named as a new taxon.