 The ichthyosauriforms "Sclerocormus" and "Chaohusaurus" are both found in Majiashan Quarry along with "Cartorhynchus"; "Sclerocormus" is known from the younger Bed 719 (248.16 Ma), while "Chaohusaurus" is found in both beds.The sauropterygian "Majiashanosaurus" is known from Bed 643.Fish diversity in the Majiashan Quarry is poorer than other localities; the most common fish is "Chaohuperleidus", the oldest known member of the Perleidiformes, but a species of the wide-ranging "Saurichthys" and several undescribed fish are also unknown.