Outline: a typical ornithopod

Lewisville Fm., TexasNamed 2023

Ampelognathus

"grapevine jaw"

Type species Ampelognathus coheni

Lived
101 to 94 million years ago, Late Cretaceous
Diet
Herbivore
Group
Ornithopods
Found in
United States
Named by
Tykoski et al. 2023

Where its fossils were found

The evidence

Today

1 find

95 million years ago

Map: C. R. Scotese, PALEOMAP

Field notes

About Ampelognathus

What it was like

Ampelognathus was a small plant eater known from a lower jaw. It may be related to Rhabdodon and its kin.

Its world

It lived in the Late Cretaceous, in what is now Texas. It comes from the Lewisville Formation, where the early duckbill relative Protohadros also lived.

How it was found

Tykoski and colleagues named Ampelognathus in 2023. The type species is Ampelognathus coheni. Its name comes from the town near where it was found.

Lived alongside

Found in the same rock formations

Close relatives

Other members of Rhabdodontomorpha

Sources: WikidataNamed in: R. S. Tykoski, D. L. Contreras, and C. Noto. 2023. The first small-bodied ornithopod dinosaur fromthe Lewisville Formation (middle Cenomanian) of Texas. Journal of Vertebrate Paleontology 43(2):e2257238:1-10