Crossword clues for Extinct mammal 8 letters:MASTODONMassive extinct mammalMASTODONExtinct mammal that had large tusksMASTODONExtinct mammalMASTODONExtinct tusked mammalMAMMOTHExtinct mammalMASTODONSLarge, extinct mammalsMAMMOTHGigantic extinct mammalDINOCERASExtinct elephantlike mammalELKEastern ___ (extinct North American mammal)