Dilophosauridae Dinosauria Early Jurassic Eusaurischia Neotheropoda North America Saurischia Theropoda

Dilophosaurus wetherilli

Dinosaur: Dilophosaurus wetherilli

Jurassic: 199.3–182.7 Ma

Type: Theropod

*Length:**	6.3 m	20.7 ft
*Weight:**	350 kg	772 lb
Speed:	37 km/h	23 mph

ESR: 3.5 / 4 (estimated size reliability)
*The largest known specimen

Area: North America

Period

Epoch: Early Jurassic
Stage: Sinemurian-Pliensbachian
Years: 199.3–182.7 Ma

Details

Status: valid
Author: Welles
Year: 1970

Distribution

Area: North America
Country: USA
Region: Arizona
Formation: Kayenta

Classification

Dinosauria
Saurischia
Eusaurischia
Theropoda
Neotheropoda
Dilophosauridae

Sources

Material: Several partial skeletons with skulls and single fragments.
References: Marsh, (2015). A comprehensive study of Dilophosaurus wetherilli: Anatomy, taxonomy, and evolutionary relationships of the first large-bodied theropod in North America.

Locations

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