Dinosaur: Apatosaurus ajax
| Length*: | 23 m | 75.5 ft |
| Weight*: | 20 tons | 44,092 lb |
ESR: 3 / 4 (estimated size reliability)
Period
Epoch: Late Jurassic
Stage: Late Kimmeridgian-Early Tithonian
Details
Status: valid
Autor: Marsh
Year: 1877
Area: North America
Country: USA
Region: Colorado
Formation: Morrison
Other
Material: At least one partial skeleton with fragmentary skull. Referred other specimens ?
References: Tschopp, E., Mateus, O. & Benson, R.B.J. (2015) "A specimen-level phylogenetic analysis and taxonomic revision of Diplodocidae (Dinosauria, Sauropoda)".
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