S232 - Amazing Huge Ice Age Cave Bear (Ursus spelaeus) Claw - Upper Pleistocene Asaphus lepidurus • Westphalian of United States

• Westphalian of United States (1: Illinois)

Ref: SWJ0007

Pseudagnostus

Permineralization is a process of fossilization in which mineral deposits form internal casts of organisms

Zaozhuangaspis

S232 - Amazing Huge Ice Age Cave Bear (Ursus spelaeus) Claw - Upper Pleistocene Asaphus lepidurus • Westphalian of United StatesImpressive claw belonging to the famous and enormous Ice Age cave bear (Ursus spelaeus). Completely natural, without restorations or repairs. Only a colorless professional stabilizer called Paraloid B72 has been applied to ensure its proper preservation. These types of bones, found inside caves, have been exposed to extremely high humidity levels for thousands of years. When they are unearthed from the caves, the moisture within their structure begins