Outline: a typical sauropod
Dystrophaeus
Type species Dystrophaeus viaemalae
- Lived
- 158 to 155 million years ago, Late Jurassic
- Diet
- Herbivore
- Group
- Sauropods
- Found in
- United States
- Named by
- Cope 1877
Where its fossils were found
The evidence
Today
155 million years ago
Field notes
About Dystrophaeus
What it was like
Dystrophaeus was a long-necked sauropod known from a few broken bones of the front leg, shoulder and hand.
Its world
It lived in the Late Jurassic in what is now Utah. Its bones come from the lowest layers of the Morrison Formation.
How it was found
Cope named Dystrophaeus in 1877. It was the first sauropod found in the western United States. Its bones are too poor to show which sauropod family it belonged to.
Lived alongside
Found in the same rock formations
Close relatives
Other members of Eusauropoda
Sources: WikidataNamed in: E. D. Cope. 1877. On a dinosaurian from the Trias of Utah. Proceedings of the American Philosophical Society 16:579-584








