Cave Bear Partial Claw Core - SOLD 1.41" jewelry_purchased Dromaeosaurid fossils are a rare

Dromaeosaurid fossils are a rare find

” American Scientist

Above: Preparing specimens

Olivine is made of magnesium iron silicate with numerous variations on Earth and beyond

but their roots extend back far further into the late Miocene Epoch some 11

Cave Bear Partial Claw Core - SOLD 1.41" jewelry_purchased Dromaeosaurid fossils are a rareThis specimen is a 1. 41" Cave Bear partial claw core recovered from Poland. The estimated age is 25,000 years old. The keratin from the claw has worn away over the years, exposing the bear's bone core. This claw core comes from the species Ursus spelaeus, which gets its common name from the location its fossils are found: within the cave systems the bears used to hibernate.