Austroraptor, despite being a relatively large dromaeosaurid, had unusually short arms compared to its body size. elaborate
Pachyrhinosaurus had a bony boss on its nose instead of a horn like other ceratopsians. elaborate
Limusaurus, a small theropod dinosaur, is notable for losing its teeth as it matured. elaborate
Psittacosaurus had a beak similar to a parrot's, but it was likely used for cropping plants rather than cracking nuts. elaborate
Dreadnoughtus was so massive that even with a significant portion of its skeleton missing, scientists were still able to estimate its weight. elaborate