Avaceratops
In Depth Avaceratops was a relatively small ceratopsian dinosaur from the late Cretaceous of North America. What makes its classification difficult however is the fact that its neck frill is short and lacks any fenestrae (openings), and with the exception of others like Triceratops, ceratopsians can usually be divided into either centrosaurine or chasmosaurine groups, … Read more