Anteavis crurilongus

"before birds"

You 1.8 m (5.9 ft) tall
Anteavis 5 m (16.4 ft) long
as long as 3 people standing fingertip to fingertip
Length
5 m (16.4 ft)
Period
Late Triassic (231.4–225.9 Mya)
Place
Argentina
Food
Carnivore
Clade
Dinosauria The clade containing all dinosaurs, terrestrial archosaurs with upright limbs.
Anteavis reconstruction by Connor Ashbridge
Reconstruction · Connor Ashbridge (CC-BY)

Anteavis (“before birds”) is an extinct genus of early theropod dinosaurs known from the Late Triassic (Carnian age) Ischigualasto Formation of Argentina. The genus contains a single species, Anteavis crurilongus, known from a partial skeleton and skull.

What we know

  • Named by Martínez et al., 2025.
  • Fossils found in Argentina.

What we guess

The reconstruction notes for Anteavis — soft tissue, color, behavior — haven't been written up yet. Only the recorded basics above are filled in so far.