Aardonyx
An early stage in the evolution of sauropods.
Abrictosaurus
An early relative of Heterodontosaurus.
Abrosaurus
A close Asian relative of Camarasaurus.
Abydosaurus
The intact skull of this sauropod was discovered in 2010.
Acanthopholis
No, it's not a city in Greece.
Achelousaurus
Might this have been a growth stage of Pachyrhinosaurus?
Acristavus
This early hadrosaur lacked any ornamentation on its skull.
Acrotholus
North America's earliest bone-headed dinosaur.
Adamantisaurus
This titanosaur was named 50 years after its discovery.
Adeopapposaurus
A close relative of Massospondylus.
Aegyptosaurus
Guess...
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