The dinosaurs are placed, according to their hip structure, in two distantly related orders (see ornithischian and saurischian). Some of them may have been warm-blooded, and their closest living relatives are the birds. Dinosaurs were all extinct by the end of the Cretaceous period (65 million years ago), a popular theory being that the extinctions were the result of the impact of a large meteorite
- These great birds were the last successors of the mighty theropod dinosaurs of the Mesozoic.
- We are so used to the enormous size of dinosaurs that we almost forget to think about how they grew to be so large.
- They do still have two skeletons of Tarbosaurus, a theropod dinosaur related to Tyrannosaurus rex.
- I still get invites but I feel like a dinosaur and a bit of a has-been now.
- He is like a Tyrannosaurus Rex, leading a herd of corporate dinosaurs over the cliff and bellowing as he goes.
- She said: "I suppose at 30 I'm considered a bit of a dinosaur in the industry."
- More example sentences
- Thirty years later, the cave city of Matera still stands on the ravine over the River Gravina, a dinosaurian pile the colour of the sandy earth.
- Amongst these dinosaurian beasts, horses were keeping cool in the hazy, humid heat, by standing knee deep in the shallow water.
- This, the last period of dinosaurian evolution, was also the period of their greatest diversity, although only a fraction of the types (mainly latest Cretaceous Western North American and Asian forms) are known.
Definition of dinosaur in:
- The British & World English dictionary