Dinosaurs A to Z
Unaysauridae

Macrocollum

Generic sauropod body-plan outline
You 1.8 m (5.9 ft) tall
Macrocollum 5 m (16.4 ft) long
as long as 3 people standing fingertip to fingertip
generic sauropod body plan, scaled to length — not a silhouette of Macrocollum
Length
5 m (16.4 ft)
Period
Late Triassic (225 Mya)
Place
Brazil
Food
Herbivore
Clade
Unaysauridae

Macrocollum is a genus of unaysaurid sauropodomorph dinosaur that lived during the Late Triassic period (early Norian) in what is now Brazil. It is one of the oldest dinosaurs known.

What we know

  • Named by Müller et al., 2018.
  • Fossils found in Brazil.

What we guess

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