Coelophysis

SEE-loh-FY-sis /ˌsiːloʊˈfaɪsɪs/

Accepted genus

hollow form

  • koilos · Greek · hollow
  • physis · Greek · form, nature

The name Coelophysis refers to the hollow, thin-walled bones of its skeleton, which made it lightweight and agile. Cope chose it to describe the hollow vertebrae, which are somewhat like the hollow stems of plants.

Named by
Cope
Year named
1889
Period
Late Triassic
Stage
Norian
Found in
Chinle Formation, Ghost Ranch, New Mexico, USA

A small, early theropod dinosaur. The type species is Coelophysis bauri. Ghost Ranch has yielded many specimens, which suggests the animals lived in groups.