Adamantisaurus This titanosaur was named 50 years after its discovery.

Adasaurus This raptor's hind claws were unusually small.

Adeopapposaurus A close relative of Massospondylus.

Aegyptosaurus Guess what country this dinosaur was found in?

Aeolosaurus Could this titanosaur have reared up on its hind legs?

Aerosteon This air-boned dinosaur may have breathed like a bird.

Afrovenator One of the few carnivores ever to be dug up in northern Africa.

Agilisaurus This "agile lizard" was one of the earliest ornithopods.