Mastodonsurus or Mastodonsaurus: How To spell?
The word Mastodonsurus is misspelled against Mastodonsaurus, a noun meaning "A large extinct genus of labyrinthodonts, found in the European Triassic rocks."
The word Mastodonsurus is misspelled against Mastodonsaurus, a noun meaning "A large extinct genus of labyrinthodonts, found in the European Triassic rocks."