Assertion: columbian mammoth | /r/CapableOf | coexist with other extinct proboscideans
Facets:
value: during the early irvingtonian
type: TEMPORAL
Source sentences:
text: The Columbian mammoth coexisted with the other extinct proboscideans Stegomastodon mirificus and Cuvieronius tropicus at sites in Texas and New Mexico during the early Irvingtonian.