an extinct type of mammal like reptile that lived millions of years ago
The dicynodon was an ancient dinosaur which lived in Africa. It is estimated that this dinosaur lived 250?æmillion years ago and lived partially on land and in the water.
Size varied among different species, but the average would be about 4 feet.
The "dinosaurs" that could fly, such as Pterodactyl, or swim, such as Elasmosaurus, weren't true dinosaurs. Therefore, they were prehistoric animals that were not dinosaurs.