Mastodonsaurus (meaning "breast tooth lizard") is an extinct genus of temnospondyl amphibian from the Middle Triassic. It belongs to a Triassic group of temnospondyls called Capitosauria, characterized by their large body size and presumably aquatic lifestyles.
Mastodonsaurus has been suggested to play 8 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.
