Genus
Valid Extinct

Camptosaurus

Marsh 1885
Etymology Reptile tordu

Camptosaurus is an extinct genus of plant-eating, beaked ornithischian dinosaurs of the Late Jurassic period of western North America and possibly also Europe. The name means 'flexible lizard'.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
42
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Camptosaurus
click to enlarge
A whole-body skeleton of Camptosaurus in Japan. © ★Kumiko★ · CC BY-SA 2.0 · Wikimedia
PBDB Wikipedia
Classification
Dinosauria Unranked clade
Ornithischia Unranked clade
Neornithischia Unranked clade
Pyrodontia Unranked clade
Cerapoda Unranked clade
Ornithopoda Suborder
Iguanodontia Infraorder
Euiguanodontia Unranked clade
Dryomorpha Unranked clade
Ankylopollexia Unranked clade
Camptosaurus Genus
Fossil sites 42 geolocated sites
Distribution
Top countries
🇺🇸 United States
40
🇩🇪 Germany
1
🇪🇸 Spain
1
Geological formations
Süntel
1
Temporal distribution
Tithonian (149.2–143.1 Ma)
36
Kimmeridgian (154.8–149.2 Ma)
5
Oxfordian (161.5–154.8 Ma)
1
Species (7)
Brachyrophus altarkansanus subjective synonym of Camptosaurus dispar 155 Ma
Camptosaurus aphanoecetes 149 Ma
Camptosaurus browni subjective synonym of Camptosaurus dispar 155 Ma
Camptosaurus dispar 155 Ma
Camptosaurus medius subjective synonym of Camptosaurus dispar 155 Ma
Camptosaurus nanus subjective synonym of Camptosaurus dispar 155 Ma
Symphyrophus musculosus subjective synonym of Camptosaurus dispar 155 Ma
Synonyms (4)
Brachyrophus subjective synonym of Camptosaurus
Camptonotus replaced by Camptosaurus
Symphyrophus subjective synonym of Camptosaurus
Uteodon subjective synonym of Camptosaurus
Images 3
Bibliography
Original description
O. C. Marsh. 1885. Names of extinct reptiles. American Journal of Science 29:169
Bibliography (31)
D. Richmond. 2023. Stratigraphy, sedimentology, and paleoclimatic proxies of the Upper Jurassic Morrison Formation of central Montana. Geology of the Intermountain West 10(16867):223–276 DOI ↗
S. Sánchez-Fenollosa, F. J. Verdú, and M. Suñer, C. de Santisteban. 2022. Tracing Late Jurassic ornithopod diversity in the eastern Iberian Peninsula: Camptosaurus-like postcranial remains from Alpuente (Valencia, Spain). Journal of Iberian Geology 48(1):65-78 DOI ↗
D. R. Richmond, T. C. Hunt, and R. L. Cifelli. 2020. Stratigraphy and sedimentology of the Morrison Formation in the western panhandle of Oklahoma with reference to the historical Stovall dinosaur quarries. Journal of Geology 128:477-515 DOI ↗
C. Diedrich. 2011. Upper Jurassic tidal flat megatracksites of Germany—coastal dinosaur migration highways between European islands, and a review of the dinosaur footprints. Palaeobiodiversity and Palaeoenvironments 91:129-155 DOI ↗
D. L. Jeffery, J. L. Bertog, and J. R. Bishop. 2011. Sequence stratigraphy of dinosaur lake: small scale fluvio-deltaic stratal relationships of a dinosaur accumulation at the Aaron Scott Quarry, Morrison Formation, San Rafael Swell, Utah. Palaios 26(5):275-283 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
K. Carpenter and Y. Wilson. 2008. A new species of Camptosaurus (Ornithopoda: Dinosauria) from the Morrison Formation (Upper Jurassic) of Dinosaur National Monument, Utah, and a biomechanical analysis of Its forelimb. Annals of Carnegie Museum 76(4):227-263 DOI ↗
M. T. Carrano. 2006. Fossil Vertebrate Collections, Museum of the Rockies
J. R. Foster. 2003. Paleoecological analysis of the vertebrate fauna of the Morrison Formation (Upper Jurassic), Rocky Mountain region, U.S.A. New Mexico Museum of Natural History and Science Bulletin 23:1-95
M. V. Connely. 2002. Stratigraphy and Paleoecology of the Morrison Formation, Como Bluff, Wyoming
B. K. Wilborn. 2001. Two New Dinosaur Bonebeds from the Late Jurassic Morrison Formation, Bighorn Basin, WY: An Analysis of the Paleontology and Stratigraphy.
C. A. Miles and D. W. Hamblin. 1999. Historical update: paleontological excavation in the Como Region. In J. H. Ostrom & J. S. McIntosh, Marsh's Dinosaurs. Yale University Press, New Haven
J. H. Ostrom and J. S. McIntosh. 1999. Marsh's Dinosaurs: The Collections from Como Bluff. Yale University Press, New Haven
C. E. Turner and F. Peterson. 1999. Biostratigraphy of dinosaurs in the Upper Jurassic Morrison Formation of the Western Interior, U.S.A. Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1:77-114
K. Carpenter. 1998. Vertebrate biostratigraphy of the Morrison Formation near Cañon City, Colorado. Modern Geology 23:407-426
C. A. Bjoraker-Naus. 1997. The Warm Springs Ranch Dinosaur Locality, Thermopolis, Wyoming. Preliminary flora and fauna analysis. Journal of Vertebrate Paleontology 17(3):32A
J. B. Smith. 1997. Cleveland-Lloyd Dinosaur Quarry. Encyclopedia of Dinosaurs
D. Chure, C. Turner, and F. Peterson. 1994. An embryo of Camptosaurus from the Morrison Formation (Jurassic, Middle Tithonian) in Dinosaur National Monument, Utah. In K. Carpenter, K.F. Hirsh & J.R. Horner (eds.), Dinosaur Eggs and Babies (Cambridge: Cambridge University Press)
B. Britt. 1991. Theropods of Dry Mesa Quarry (Morrison Formation, Late Jurassic), Colorado, with emphasis on the osteology of Torvosaurus tanneri. BYU Geology Studies 37:1-72
J. Howard. 1991. The Mill Canyon Dinosaur Trail. Guidebook for Dinosaur Quarries and Tracksites Tour, Western Colorado and Eastern Utah
J. S. McIntosh. 1990. The second Jurassic dinosaur rush. Earth Sciences History 9(1):22-27 DOI ↗
D. J. Chure and G. F. Engelmann. 1989. The fauna of the Morrison Formation in Dinosaur National Monument. In J. J. Flynn (ed.), Mesozoic/Cenozoic Vertebrate Paleontology: Classic Localities, Contemporary Approaches: Field Trip Guide Book T322. American Geophysical Union, Washington, DC DOI ↗
D. B. Weishampel and J. B. Weishampel. 1983. Annotated localities of ornithopod dinosaurs: implications to Mesozoic paleobiogeography. The Mosasaur 1:43-87
P. M. Galton and J. A. Jensen. 1973. Skeleton of a hypsilophodontid dinosaur (Nanosaurus (?) rex) from the Upper Jurassic of Utah. Brigham Young University Geology Studies 20(4):137-157
J. W. Stovall. 1938. The Morrison of Oklahoma and its dinosaurs. Journal of Geology 46:583-600 DOI ↗
B. Brown. 1935. Sinclair Dinosaur Expedition, 1934. Natural History 36:2-15
C. C. O'Harra. 1917. Fossil footprints in the Black Hills. Pahasapa Quarterly 6(4):20-24
C. W. Gilmore. 1914. Osteology of the armored Dinosauria in the United States National Museum, with special reference to the genus Stegosaurus. United States National Museum Bulletin 89:1-136 DOI ↗
C. W. Gilmore. 1909. Osteology of the Jurassic reptile Camptosaurus, with a revision of the genus, and descriptions of two new species. Proceedings of the United States National Museum 36(1666):197-332 DOI ↗
O. C. Marsh. 1894. The typical Ornithopoda of the American Jurassic. American Journal of Science, series 3 48:85-90 DOI ↗
O. C. Marsh. 1879. Notice of new Jurassic reptiles. The American Journal of Science and Arts, series 3 18:501–505 DOI ↗