Cerapoda Ceratopsia Ceratopsidae Ceratopsoidea Chasmosaurinae Coronosauria Dinosauria Genasauria Late Cretaceous Marginocephalia Neoceratopsia Neornithischia North America Ornithischia Triceratopsini

Torosaurus utahensis

Dinosaur: Torosaurus utahensis

Cretaceous: 72.1–66 Ma

TRIASSIC

JURASSIC

CRETACEOUS

252

201

145

Type: Ceratops

*Length:**	6 m	19.7 ft
*Weight:**	3 tons	6,614 lb

ESR: 2 / 4 (estimated size reliability)
*The largest known specimen

Area: North America

Period

Epoch: Late Cretaceous
Stage: Maastrichtian
Years: 72.1–66 Ma

Details

Status: nomen dubium
Author: Lawson
Year: 1976

Distribution

Area: North America
Country: USA
Region: Utah
Formation: North Horn

Classification

Dinosauria
Ornithischia
Genasauria
Neornithischia
Cerapoda
Marginocephalia
Ceratopsia
Neoceratopsia
Coronosauria
Ceratopsoidea
Ceratopsidae
Chasmosaurinae
Triceratopsini

Sources

Material: Incomplete skull, referred at least several individuals ? (problematic).
References: Sullivan, R.M., Boere, A.C. & Lucas, S.G. (2005) "Redescription of the ceratopsid dinosaur Torosaurus utahensis (Gilmore, 1946) and a revision of the genus".