Genus
Valid Extinct

Stokesosaurus

Madsen 1974

Stokesosaurus is a genus of early tyrannosauroid theropod dinosaurs from the late Jurassic period of Utah, United States. They were small, bipedal predators measuring around 3 to 4 meters in length.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
6
Group
Dinosaures
Carnivore Ground dwelling, solitary Terrestrial
Stokesosaurus
click to enlarge
Left ilium of Stokesosaurus clevelandi, Madsen 1974 (UMNH VP 7473), Morrison Formation, Utah, USA, Late Jurassic (early Tithonian). © Stephen L. Brusatte and Roger B.J. Benson · CC BY 2.0 · Wikimedia
PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
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Theropoda Unranked clade
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Neotheropoda Unranked clade
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Averostra Unranked clade
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Tetanurae Unranked clade
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Coelurosauria Unranked clade
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Tyrannosauroidea Superfamily
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Stokesosaurus Genus
Fossil sites 6 geolocated sites
Distribution
Top countries
🇺🇸 United States
6
Geological formations
Morrison
6
Temporal distribution
Tithonian (149.2–143.1 Ma)
6
Species (1)
Stokesosaurus clevelandi 155 Ma
Images 1
Bibliography
Original description
J. H. Madsen. 1974. A new theropod dinosaur from the Upper Jurassic of Utah. Journal of Paleontology 48(1):27-31
Bibliography (5)
A. S. S. Barros. 2018. Upper Jurassic Dinosaur Bonebeds at Ten Sleep, Wyoming: Stratigraphy, Preliminary Results and Field Reports of 2016 and 2017.
M. T. Carrano and J. Velez-Juarbe. 2006. Paleoecology of the Quarry 9 vertebrate assemblage from Como Bluff, Wyoming (Morrison Formation, Late Jurassic). Palaeogeography, Palaeoclimatology, Palaeoecology 234(2-4):147-159 DOI ↗
D. J. Chure and J. H. Madsen. 1998. An unusual braincase (?Stokesosaurus clevelandi) from the Cleveland-Lloyd Dinosaur Quarry, Utah (Morrison Formation; Late Jurassic). Journal of Vertebrate Paleontology 18(1):115-125 DOI ↗
W. E. Miller, J. L. Baer, and K. L. Stadtman, B. B. Britt. 1991. The Dry Mesa Dinosaur Quarry, Mesa County, Colorado. Guidebook for Dinosaur Quarries and Tracksites Tour, Western Colorado and Eastern Utah
J. H. Madsen. 1974. A new theropod dinosaur from the Upper Jurassic of Utah. Journal of Paleontology 48(1):27-31