From Wikipedia, the free encyclopedia
Temporal range: Upper Triassic – Upper Cretaceous (non-avian)
|T. rex foot
Picture taken at Field Museum of Natural History, Chicago
Theropods first appear during the Carnian age of the Upper Triassic about 230 million years ago. They were the sole large terrestrial carnivores from the Lower Jurassic until the close of the Cretaceous, about 65 million years ago.
Related pages [change]
- Zanno L.E; Gillette D.D; Albright L.B. and Titus A.L. 2009. A new North American therizinosaurid and the role of herbivory in 'predatory' dinosaur evolution. Proceedings of the Royal Society B, Published online before print July 15, 2009, doi: 10.1098/rspb.2009.1029.