CretaceousHerbivoreLarge
Opisthocoelicaudia
o-PIS-tho-see-li-CAW-dee-a
"posterior cavity tail"
Overview
A titanosaur from the Late Cretaceous of Mongolia with unusually shaped tail vertebrae.
Vital Statistics
Length
11 m
Height
4 m
Weight
8 t
Est. Speed
15 km/h
Discovered
1977
Named by
Magdalena Borsuk-Białynicka
Countries Discovered
Mongolia
Interesting Facts
Had opisthocoelous (hollow-behind) tail vertebrae
Known from a nearly complete skeleton lacking the skull
From the Nemegt Formation
Closest Relatives
NemegtosaurusQuaesitosaurusAlamosaurusSaltasaurus