Dinosauria

Rioarribasaurus colberti

Every month, 100,000 readers use the Dinosaur Database, but we receive no support from you. Developing and updating the database requires a lot of work. Therefore, as of September 1, 2025, the database will be closed. If you want it to remain open and be updated, please support us via the "Buy us a coffee" button available on every page.


Dinosaur: Rioarribasaurus colberti

Length*:2.85 m9.4 ft
Weight*:20 kg44 lb
Speed:33 km/h21 mph
ESR: 3 / 4 (estimated size reliability)
*The largest known specimen


Period

Details

Status: nomen rejectum > Coelophysis bauri
Author: Hunt & Lucas
Year: 1991

Distribution

Classification


Sources

References: Hunt & Lucas, (1991). Rioarribasaurus, a new name for a Late Triassic dinosaur from New Mexico (USA).

________________________

If you are interested in Excel Professional version of Dinosaur or Pterosaur Database, write to us


Pterosaur Database