Hesperornithoides

Field photograph to come

DV-1058Morrison Fm., Wyoming

Hesperornithoides

DV-1058 · type species Hesperornithoides miessleri

Lived
155 to 143 million years ago, Late Jurassic to Early Cretaceous
Diet
Omnivore
Group
Theropods, Troodontidae
Found in
United States
Named by
Hartman et al. 2019

Field notes

About Hesperornithoides

Hesperornithoides was an omnivorous theropod that lived in the Late Jurassic to Early Cretaceous, 155 to 143 million years ago. It belongs to the family Troodontidae.

The Paleobiology Database lists 1 find of Hesperornithoides, from Wyoming. Its fossils come from the Morrison Formation. It was named by Hartman et al. in 2019.

The evidence

Where its fossils were found

Today

1 find

150 million years ago

Map: C. R. Scotese, PALEOMAP

Lived alongside

Found in the same rock formations.

Close relatives

Other members of Troodontidae.

Sources: Paleobiology Database, WikidataNamed in: S. Hartman, M. Mortimer, and W. R. Wahl, D. R. Lomax, J. Lippincott, D. M. Lovelace. 2019. A new paravian dinosaur from the Late Jurassic of North America supports a late acquisition of avian flight. PeerJ 7:e7247