Genus
Valid Extinct

Byronosaurus

Norell et al. 2000

Byronosaurus is a genus of troodontid dinosaur from the Late Cretaceous Period of Mongolia.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
3
Group
Dinosaures
Carnivore, omnivore Ground dwelling Terrestrial
Byronosaurus
click to enlarge
Skeletal restoration of Byronosaurus jaffei. Scale bar = 10cm © Jaime Headden (User:Qilong) · CC BY 3.0 · Wikimedia
Byronosaurus
Byronosaurus
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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Maniraptora Unranked clade
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Paraves Unranked clade
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Deinonychosauria Infraorder
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Troodontidae Family
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Troodontinae Subfamily
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Byronosaurus Genus
Measurements
Length
1,55 m ⓘ
Byronosaurus jaffei
Mass
7 kg ⓘ
Byronosaurus jaffei
Fossil sites 3 geolocated sites
Distribution
Top countries
🇲🇳 Mongolia
3
Geological formations
Djadokhta
3
Temporal distribution
Campanian (83.6–72.2 Ma)
3
Species (1)
Byronosaurus jaffei 84 Ma
Images 2
Bibliography
Original description
M. A. Norell, P. J. Makovicky, and J. M. Clark. 2000. A new troodontid theropod from Ukhaa Tolgod, Mongolia. Journal of Vertebrate Paleontology 20(1):7-11 DOI ↗
Bibliography (3)
G. S. Bever and M. A. Norell. 2009. The perinate skull of Byronosaurus (Troodontidae) with observations on the cranial ontogeny of paravian theropods. American Museum Novitates 3657:1-51 DOI ↗
P. J. Makovicky, M. A. Norell, and J. M. Clark, T. Rowe. 2003. Osteology and relationships of Byronosaurus jaffei (Theropoda: Troodontidae). American Museum Novitates 3402:1-32 DOI ↗
M. A. Norell, P. J. Makovicky, and J. M. Clark. 2000. A new troodontid theropod from Ukhaa Tolgod, Mongolia. Journal of Vertebrate Paleontology 20(1):7-11 DOI ↗