Definition from Wiktionary, the free dictionary
tetanuran (plural tetanurans)
- Any theropod dinosaur of the clade Tetanurae, all theropods that are more closely related to modern birds than to the genus Ceratosaurus.
1999 June 25, Paul C. Sereno, “The Evolution of Dinosaurs”, in Science, volume 284, number 5423, DOI:10.1126/science.284.5423.2137, pages 2137-2147:
- The oldest tetanuran, the crested allosauroid Cryolophosaurus, was discovered in Lower Jurassic rocks on Antarctica and is quite similar to allosauroids from Upper Jurassic rocks on several continents.
tetanuran (not comparable)
- Of or pertaining to the dinosaurs of the clade Tetanurae.
1998 May 15, Scott D. Sampson et al., “Predatory Dinosaur Remains from Madagascar: Implications for the Cretaceous Biogeography of Gondwana”, in Science, volume 280, number 5366, DOI:10.1126/science.280.5366.1048, pages 1048-1051:
- During Late Cretaceous times, the top predators in most Laurasian terrestrial ecosystems were the large-bodied tyrannosaurids, which suggests that this tetanuran clade may have originated after the split between Laurasia and Gondwana.