Uintan
The Uintan North American Stage on the geologic timescale is the North American faunal stage according to the North American Land Mammal Ages chronology ( NALMA ) , typically set from 46 , 200 , 000 to 42 , 000 , 000 years BP lasting . 
<triplet> Uintan <subj> North American Land Mammal Ages <obj> part of