Dinosaurs A to Z
Tyrannosauridae

Dynamosaurus DYNA-mo-SOR-us

Generic theropod body-plan outline
You 1.8 m (5.9 ft) tall
Dynamosaurus 10 m (33 ft) long
as long as 6 people standing fingertip to fingertip
generic theropod body plan, scaled to length — not a silhouette of Dynamosaurus
Length
10 m (33 ft)
Period
Late Cretaceous (72.2–66 Mya)
Food
Carnivore
Clade
Tyrannosauridae Dinosauria Saurischia Theropoda Coelurosauria Tyrannosauroidea Late-Cretaceous tyrants: T. rex, Tarbosaurus, Albertosaurus.

Dynamosaurus is a tyrannosauridae known from the Cretaceous period, of uncertain origin. Most of what’s published comes from a small number of specimens, and the fuller picture of how it lived is still being worked out.

What we know

  • Originally named by Osborn 1905.