Dinosaurs A to Z
Stegosauridae

Alcovasaurus

Generic stegosaur body-plan outline
You 1.8 m (5.9 ft) tall
Alcovasaurus 6.5 m (21.3 ft) long
as long as 4 people standing fingertip to fingertip
generic stegosaur body plan, scaled to length — not a silhouette of Alcovasaurus
Length
6.5 m (21.3 ft)
Period
Late Jurassic (150 Mya)
Place
North America · United States · Wyoming, USA
Food
Herbivore
Clade
Stegosauridae Dinosauria Ornithischia Thyreophora Stegosauria Stegosaurus and close relatives.
Alcovasaurus reconstruction by Ddinodan
Reconstruction · Ddinodan (CC-BY)

Alcovasaurus is an extinct genus of herbivorous stegosaurian dinosaurs that lived in the Late Jurassic. It was found in the Morrison Formation of Wyoming, United States. The genus contains a single species, Alcovasaurus longispinus, originally assigned to the genus Stegosaurus. It is likely a member of the Dacentrurinae, and has been referred to the genus Miragaia by some authors.

What we know

  • Named by (Gilmore, 1914).
  • Body length estimated at about 6.5 m.
  • Fossils found in North America and United States.

What we guess

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