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!
The first dinosaur was Eoraptor.
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.
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
the first founded dinosaur is the iguanadon
The dinosaur egg always comes first. Every dinosaur starts is life as an egg. It is like asking what comes first birth, childhood, adulthood, middle age or death.
The first stage in dinosaur times (the Mesozoic Era) was the Triassic.
Earl Douglass discovered utah's first dinosaur
Rex's dinosaur is named Ace, meaning "First" or "The Best".
iguanadon in 1883 in England