PlatyrhinopsRaniceps lyelli Wyman, 1858 Pelion lyelli Wyman in Cope, 1868 Tuditanus mordax Cope, 1874 Pilion lyellii Cope, 1875 Ichthycanthus platypus Cope, 1877 Eryops platypus Cope, 1888 Diceratosaurus punctolineatus Moodie, 1909 ?ExzellentAmphibamids