Are rhinoceroses distant relatives of triceratops?

Very, very distant relatives. Mammals and dinosaurs branched off from a common ancestor hundreds of millions of years ago. They may both have horns, but triceratops and rhinos are very different. Usually you wouldn't refer to them as “related. read more

Very, very distant relatives. Mammals and dinosaurs branched off from a common ancestor hundreds of millions of years ago. They may both have horns, but triceratops and rhinos are very different. read more

Most distant were the psittacosaurus species of the early Cretaceous. "Triceratops" has no close extant relatives. Birds (or surviving theropods) might be the closest but even their ancestors diverged from the lineage giving rise to ceratopsids way back in the Triassic. read more