Dinosaur: Brontosaurus excelsus
Jurassic: 154.8–149.2 Ma
| Length*: | 21.5 m | 70.5 ft |
| Weight*: | 23 t | 50,706 lb |
| Speed: | 20 km/h | 12 mph |
*The largest known specimen
Period
Epoch: Late Jurassic
Stage: Late Kimmeridgian
Years: 154.8–149.2 Ma
Details
Status: valid
Author: Marsh
Year: 1879
Distribution
Area: North America
Country: USA
Region: Wyoming
Formation: Morrison
Locations
Sources
Material: Majority of skeleton, referred partial skeleton.
References: Tschopp, E., Mateus, O. & Benson, R.B.J. (2015) "A specimen-level phylogenetic analysis and taxonomic revision of Diplodocidae (Dinosauria, Sauropoda)".
