Stegosaurids are amazing! One of the most famous, and beloved, dinosaur groups are the stegosaurids. #Stegosaurus, #Hesperosaurus, and many other genera rock iconic plates and tail spikes, aka the #Thagomizer, that make them popular with every generation. Stegosaurus and Hesperosaurus herald from the Late Jurassic #MorrisonFormation. Lower down in the Morrison Formation is #Hesperosaurus, a Stego cousin. Anagenesis 😉? Stegosaurids lived in Africa as well and were quite successful in the Late Ju