Ahvaytum bahndooiveche a:'vaytuhm
"long ago"
You 1.8 m (5.9 ft) tall
Ahvaytum 1.3 m (4.3 ft) long
as long as 2 people standing fingertip to fingertip
- Length
- 1.3 m (4.3 ft)
- Period
- Late Triassic (230 Mya)
- Place
- Asia · United States · Wyoming, USA
- Food
- Herbivore
- Clade
- Dinosauria The clade containing all dinosaurs, terrestrial archosaurs with upright limbs.
Ahvaytum ( ; “long ago”) is an extinct genus of probable basal sauropodomorph saurischian dinosaurs from the Late Triassic Popo Agie Formation of Wyoming, United States. The genus contains a single species, A. bahndooiveche, known from fragmentary hindlimb bones. Ahvaytum represents the oldest known named dinosaur of the ancient Laurasian landmass.
What we know
- Named by Lovelace et al., 2025.
- Body length estimated at about 1.3 m.
- Fossils found in Asia and United States.
What we guess
The reconstruction notes for Ahvaytum — soft tissue, color, behavior — haven't been written up yet. Only the recorded basics above are filled in so far.