Protohadros byrdi Protohadros

"first hadrosaur"

You 1.8 m (5.9 ft) tall
Protohadros 5 m (16.4 ft) long
3 people holding hands
Length
5 m (16.4 ft)
Period
Late Cretaceous (100–66 Mya)
Place
North America · United States
Food
Herbivore
Clade
Dinosauria

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.