Species
Valid Extinct

Apatosaurus ajax

(Marsh 1877)

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
3
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
🦴
PBDB ↗
Classification
Dinosauria Unranked clade
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Saurischia Unranked clade
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Sauropodomorpha Unranked clade
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Massopoda Unranked clade
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Sauropodiformes Unranked clade
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Sauropoda Unranked clade
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Gravisauria Unranked clade
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Eusauropoda Unranked clade
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Neosauropoda Unranked clade
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Diplodocoidea Unranked clade
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Diplodocimorpha Unranked clade
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Flagellicaudata Unranked clade
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Diplodocidae Unranked clade
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Apatosaurinae Subfamily
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Apatosaurus Genus
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Apatosaurus ajax Species
Fossil sites 3 geolocated sites
Distribution
Top countries
🇺🇸 United States
3
Geological formations
Morrison
3
Temporal distribution
Tithonian (149.2–143.1 Ma)
3
Bibliography
Original description
O. C. Marsh. 1877. Notice of new dinosaurian reptiles from the Jurassic formation. American Journal of Science and Arts 14:514-516 DOI ↗
Bibliography (3)
P. M. Galton. 2010. Species of plated dinosaur Stegosaurus (Morrison Formation, Late Jurassic) of western USA: new type species designation needed. Swiss Journal of Geosciences 103:187-198 DOI ↗
J. H. Ostrom and J. S. McIntosh. 1999. Marsh's Dinosaurs: The Collections from Como Bluff. Yale University Press, New Haven
O. C. Marsh. 1877. Notice of new dinosaurian reptiles from the Jurassic formation. American Journal of Science and Arts 14:514-516 DOI ↗