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
Ornithischia Unranked clade
Parapredentata Unranked clade
Saphornithischia Unranked clade
Prionodontia Unranked clade
Genasauria Unranked clade
Thyreophora Unranked clade
Thyreophoroidea Superfamily
Eurypoda Unranked clade
Stegosauria Unranked clade
Stegosauridae Family
Neostegosauria Unranked clade
Stegosaurinae Subfamily
Hesperosaurus Genus
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