Ceratodus would have had the ability to breathe air when out of water

an agile and fast predator

suggesting that it may have had a distinctive cranial structure

Rhomaleosaurus (R

Shunosaurus jiangyiensis Ichthyostega Ceratodus would have had theShunosaurus jiangyiensis was a herbivorous sauropod that lived during the Middle Jurassic Period, approximately 170 to 160 million years ago, in what is now China. This dinosaur belongs to the family Shunosauridae, a group of relatively primitive and smaller sauropods compared to other giant sauropods from the same period. Shunosaurus jiangyiensis is notable for being one of the first known sauropods to have a unique defensive adaptation: a bony club