The Earliest Ursine Bear Demonstrates the Origin of Plant-Dominated Omnivory in Carnivora - ScienceDirect
Juandertal - Bears, extinct
Nearest ancestor of living bears discovered from Gansu, China
File:Haystack Assemblage Mural.jpg - Wikipedia
FOSSIL HUNTRESS: URSIDAE: URSAVUS
What's the Oldest Bear Fossil Ever Found? - A-Z Animals
Life Science - Even fossil remains of possible ancestors of modern species have been classified and named using the Binomial Nomenclature System of Carolus Linneaus. Parictis is the earliest genus of bears