Dinosaur: Astrodon johnstoni
Cretaceous: 121.4–100.5 Ma
| Length*: | 21.7 m | 71.2 ft |
| Weight*: | 23 tons | 50,706 lb |
*The largest known specimen
Period
Epoch: Early Cretaceous
Stage: Late Aptian-Early Albian
Years: 121.4–100.5 Ma
Details
Status: nomen dubium
Author: Leidy
Year: 1865
Distribution
Area: North America
Country: USA
Region: Maryland
Formation: Arundel
Sources
Material: Two teeth and many other referred bones (also Pleurocoelus altus and P. nanus material).
References: D’Emic, M. D. (2013). Revision of the sauropod dinosaurs of the Lower Cretaceous Trinity Group, southern USA, with the description of a new genus.
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