Pisanosaurus Temporal range: Upper Triassic, 228–216.5 mya
| |
---|---|
![]() | |
Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
Superorder: | |
Order: | |
Family: | Pisanosauridae Casamiquela, 1967
|
Genus: | Pisanosaurus Casamiquela, 1967
|
Pisanosaurus (meaning "Pisano lizard") is a genus of primitive ornithischian dinosaur from the Upper Triassic of what is now South America. It was a bipedal herbivore described by Argentine paleontologist Rodolfo Casamiquela in 1967. Only one species the type, Pisanosaurus mertii, is known, based on a single partial skeleton.
It is the oldest known ornithischian.