Assertion: african ground squirrel | /r/CapableOf | arise after the joining of africa
Facets:
value: according to mercer
type: TEMPORAL
value: from a single colonization
type: OTHER
value: by an eurasian ancestor
type: OTHER
value: with asia
type: TEMPORAL
Source sentences:
text: According to Mercer and Roth in 2003, African ground squirrels arose from a single colonization by an Eurasian ancestor after the joining of Africa with Asia approximately 18 to 20 million years ago (mya).