The first vertebrate was Pikaia, which lived 510 million years ago, 280 million years BEFORE dinosaurs.
Reptile (Vertebrate)
Dugongs are vertebrates. Most invertebrates are usually small.
The first dinosaur was Eoraptor.
A vertebrate is an animal that has a backbone. All dinosaurs had backbones. Therefor, dinosaurs were vertebrates.
The dinosaur was an ancient vertebrate, and all vertebrates belong to the taxonomic domain of Eukarya.Eukarya covers all organisms in the Kingdom Animalia, as well as the Kingdoms Plantae, Fungi and Protista.
The dinosaur mother came first. Both the dinosaur mother and father were needed to produce the egg where the dinosaur baby came from.
The first dinosaur was about the size of a horse.
Dinosaurs had the same aerobic metabolism that all vertebrate animals have. Thus, oxygen was necessary to their survival, and even a few minutes without air would have killed any dinosaur.
William Buckland found megalosaurus as the first dinosaur.
The first dinosaur to be described scientifically was Megalosaurus in 1824.
Cryolophosaurus was the first dinosaur discovered in antarctica
That's A Good Question! The First Dinosaur Was The Euraptor. It Was The Size Of A Chicken! I Think Looking At A Dinosaur The Size Of A Chicken Is HILARIUS!