Dinosaur: "Atlantosaurus" immanis
Jurassic: 154.8–145 Ma
| Length*: | 24.5 m | 80.4 ft |
| Weight*: | 25 tons | 55,116 lb |
*The largest known specimen
Period
Epoch: Late Jurassic
Stage: Late Kimmeridgian-Early Tithonian
Years: 154.8–145 Ma
Details
Status: nomen dubium
Author: Marsh
Year: 1878
Distribution
Area: North America
Country: USA
Region: Colorado
Formation: Morrison
Sources
Material: Femur, pubis, and ischium.
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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