JurassicHerbivoreGiant
Brontosaurus
BRON-to-SORE-us
"thunder lizard"
Overview
A large diplodocid sauropod from the Morrison Formation, long considered synonymous with Apatosaurus before being reinstated.
Vital Statistics
Length
22 m
Height
5 m
Weight
15 t
Est. Speed
15 km/h
Discovered
1879
Named by
Othniel Charles Marsh
Countries Discovered
United StatesPortugal
Interesting Facts
Long considered a synonym of Apatosaurus
Reinstated as a distinct genus in 2015
Its name means 'thunder lizard'
Closest Relatives
ApatosaurusDiplodocusBarosaurusSupersaurus