Dinosaurs A to Z
Therizinosauridae

Tiantaisaurus sifengensis TIA-ntai-SOR-us

Generic theropod body-plan outline
You 1.8 m (5.9 ft) tall
Tiantaisaurus 6 m (19.7 ft) long
as long as 4 people standing fingertip to fingertip
generic theropod body plan, scaled to length — not a silhouette of Tiantaisaurus
Length
6 m (19.7 ft)
Period
Early Cretaceous (106.3–100.5 Mya)
Food
Herbivore
Clade
Therizinosauridae Dinosauria Saurischia Theropoda Coelurosauria Pot-bellied theropods with giant claws — secondarily plant-eating.

Tiantaisaurus is a therizinosauridae 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 Qian et al. 2012.