Daspletosaurus

dass-PLEE-toh-SORE-us /dæsˌpliːtəˈsɔːrəs/

Accepted genus

frightful lizard

  • dasplētos (δασπλῆτος) · Greek · frightful, terrible
  • sauros (σαῦρος) · Greek · lizard

The name combines the Greek "dasplētos", meaning frightful or terrible, with "sauros", meaning lizard. Dale Russell chose it in 1970 for a large tyrannosaurid from Alberta, Canada, to convey its fearsome appearance as a big predator. The type species is Daspletosaurus torosus.

Named by
Russell
Year named
1970
Period
Late Cretaceous
Stage
Campanian
Found in
Oldman and Two Medicine formations, Alberta (Canada) and Montana (USA)

A tyrannosaurine tyrannosaurid theropod dinosaur. The type species, D. torosus, comes from Alberta's Oldman Formation. Other specimens from Montana's Two Medicine Formation have been referred to the genus, and some of these may represent a separate species.