Woolly Rhinoceros Tooth - SOLD 3.60" rockinaboxcarch The towering Metasequoia tree was

The towering Metasequoia tree was thought to have gone extinct during the Miocene until a living member of the species was found in 1946

researchers in 2003 discovered that the naturally occurring isotope of the bismuth did in fact undergo alpha decay and calculated a half-life of 1

This board section is set into a sterling silver backing and sealed in a layer of resin

a data point which is reflected in the study of extinction rates in many smaller forms of life including foraminifera as well as larger species like the dinosaurs

HADROSAUR (BONE)

Woolly Rhinoceros Tooth - SOLD 3.60" rockinaboxcarch The towering Metasequoia tree wasThe Woolly Rhinos of the Pleistocene were a sight to behold, with massive bodies covered in thick hair, humped shoulders to carry their heavy heads, and titanic horns which made them tower over the expansive steppe landscapes. This specimen is a 3. 60" Woolly Rhinoceros Tooth recovered from Siberia. The estimated age is 20,000 years old.