Protohadros byrdi
"first hadrosaur"
You 1.8 m (5.9 ft) tall
Protohadros 5 m (16.4 ft) long
as long as 3 people standing fingertip to fingertip
- Length
- 5 m (16.4 ft)
- Period
- Late Cretaceous (100–66 Mya)
- Place
- North America · United States
- Food
- Herbivore
- Clade
- Dinosauria The clade containing all dinosaurs, terrestrial archosaurs with upright limbs.
Protohadros (meaning “first hadrosaur”) is a genus of basal hadrosaurid dinosaur from the early Late Cretaceous (Cenomanian stage, approximately 100-93.9 million years ago) of what is now Texas, United States. It is represented by the species Protohadros byrdi, known from a partially complete skull and associated postcranial remains recovered from the Woodbine Formation. Protohadros was one of the earliest derived hadrosaurs in North America.
What we know
- Named by Head, 1998.
- Fossils found in North America and United States.
What we guess
The reconstruction notes for Protohadros — soft tissue, color, behavior — haven't been written up yet. Only the recorded basics above are filled in so far.