Notiomastodon is an extinct genus of the extinct family Gomphotheriidae, in the kingdom Animalia.
Notiomastodon is an extinct proboscidean genus of gomphotheres (a distant relative to modern elephants) endemic to South America from the Pleistocene to the Holocene. Family: Gomphotheriidae Kingdom: Animalia Gomphotheres are any members of the diverse, extinct taxonomic family Gomphotheriidae. 
