CretaceousCarnivoreLarge
Aerosteon
AIR-o-STEE-on
"air bone"
Overview
A large neovenatorid with highly pneumatic bones housing air sacs like those of birds.
Vital Statistics
Length
9 m
Height
3 m
Weight
2 t
Est. Speed
30 km/h
Discovered
2008
Named by
Paul Sereno et al.
Countries Discovered
Argentina
Interesting Facts
Its bones show bird-like air sacs
Provided key evidence for avian-style respiration in theropods
A large Late Cretaceous predator of Argentina
Closest Relatives
NeovenatorAustralovenatorFukuiraptorMegaraptor