Dinosaur: Atlantosaurus montanus
![](/dinosaurdatabase/wp-content/uploads/dinos/Sauropod.jpg)
Length*: | 23 m | 75.5 ft |
Weight*: | 20 tons | 44,092 lb |
*The largest known specimen
Period
Epoch: Late Jurassic
Stage: Late Kimmeridgian-Early Tithonian
Details
Status: nomen dubium
Autor: Marsh
Year: 1877
Area: North America
Country: USA
Region: Colorado
Formation: Morrison
Other
Material: Sacrum, femur ?
References: Taylor, M. P. (2010). Sauropod dinosaur research: a historical review.
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