Species
Valid Extinct

Hesperosaurus mjosi

(Carpenter et al. 2001)

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
6
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Classification
Dinosauria Unranked clade
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Ornithischia Unranked clade
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Parapredentata Unranked clade
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Saphornithischia Unranked clade
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Prionodontia Unranked clade
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Genasauria Unranked clade
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Thyreophora Unranked clade
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Thyreophoroidea Superfamily
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Eurypoda Unranked clade
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Stegosauria Unranked clade
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Stegosauridae Family
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Neostegosauria Unranked clade
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Stegosaurinae Subfamily
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Hesperosaurus Genus
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Hesperosaurus mjosi Species
Fossil sites 6 geolocated sites
Distribution
Top countries
🇺🇸 United States
6
Geological formations
Temporal distribution
Tithonian (149.2–143.1 Ma)
1
Kimmeridgian (154.8–149.2 Ma)
4
Oxfordian (161.5–154.8 Ma)
1
Bibliography
Original description
K. Carpenter, C. A. Miles, and K. Cloward. 2001. New primitive stegosaur from the Morrison Formation, Wyoming. The Armored Dinosaurs. Indiana University Press, Bloomington
Bibliography (5)
S. C. R. Maidment, D. C. Woodruff, and J. R. Horner. 2018. A new specimen of the ornithischian dinosaur Hesperosaurus mjosi from the Upper Jurassic Morrison Formation of Montana, U.S.A., and implications for growth and size in Morrison stegosaurs. Journal of Vertebrate Paleontology 38(1):e1406366:1-22 DOI ↗
E. T. Saitta. 2015. Evidence for sexual dimorphism in the plated dinosaur Stegosaurus mjosi (Ornithischia, Stegosauria) from the Morrison Formation (Upper Jurassic) of western USA. PLoS ONE 10(4):e0123503:1-20 DOI ↗
H. Galiano and R. Albersdörfer. 2010. A New Basal Diplodocoid Species, Amphicoelias brontodiplodocus from the Morrison Formation, Big Horn Basin, Wyoming, with Taxonomic Reevaluation of Diplodocus, Apatosaurus, Barosaurus and Other Genera. Dinosauria International (Ten Sleep, WY) Report for September 2010
S. C. R. Maidment, D. B. Norman, and P. M. Barrett, P. Upchurch. 2008. Systematics and phylogeny of Stegosauria (Dinosauria: Ornithischia). Journal of Systematic Palaeontology 6(4):367-407 DOI ↗
K. Carpenter, C. A. Miles, and K. Cloward. 2001. New primitive stegosaur from the Morrison Formation, Wyoming. The Armored Dinosaurs. Indiana University Press, Bloomington