Dinosaurs · Large theropod

Cryolophosaurus

Say it cry-o-loaf-oh-sore-us. The name means ‘frozen crested lizard’.

Cryolophosaurus beside a person 1.75 m tall. Ticks mark every metre.Body shape drawn for this site, showing the general build of large theropods

Length: 8 m
Weight: 500 kg
Diet: Meat-eaterother animals
Walked: On 2 legs
When: Early Jurassicabout 170 million years ago
Fossils found in: Antarctica
Named by: Hammer and Hickerson (1994)
Family tree: Dinosauria › Saurischia › Theropoda › Neotheropoda › Tetanurae › Avetheropoda › Carnosauria

Where Cryolophosaurus sits in the age of dinosaurs.Periods from the ICS chart; dinosaur dates from the Natural History Museum

Large theropods. Big two-legged meat-eaters, such as Tyrannosaurus. See all 63

Lived at the same time

Other large theropods

Dubreuillosaurus Late Jurassic
Poekilopleuron Mid Jurassic
Sinraptor Mid Jurassic
Megalosaurus Mid Jurassic
Eustreptospondylus Mid Jurassic
Torvosaurus Late Jurassic
Piatnitzkysaurus Late Jurassic
Monolophosaurus Mid Jurassic

Source: Cryolophosaurus in the Natural History Museum Dino Directory, read 12 November 2026. Sizes are the museum's estimates for a typical adult. "Lived at the same time" lists dinosaurs whose dates overlap, which does not always mean they met.