Dinosaur: Barosaurus lentus
Jurassic: 154.8–145 Ma

| Length*: | 40 m | 131.2 ft |
| Weight*: | 44 t | 97,003 lb |
*The largest known specimen
Period
Epoch: Late Jurassic
Stage: Late Kimmeridgian-Early Tithonian
Years: 154.8–145 Ma
Details
Status: valid
Author: Marsh
Year: 1890
Distribution
Area: North America
Country: USA
Region: South Dakota, Utah
Formation: Morrison
Locations
Sources
Material: Several partial skeletons (at least two) and referred bones.
References: Tschopp, E., Mateus, O. & Benson, R.B.J. (2015) "A specimen-level phylogenetic analysis and taxonomic revision of Diplodocidae (Dinosauria, Sauropoda)".

