FOSSILS

Share
twitterlinkedinfacebook
Image 13 of 200
< Prev Next >
RWolf_20090728_20426-1.jpg
Trilobite (Homotelus bromidensis). Found in the Bromide Formation. Middle Ordovician period, about 465 million years ago. Criner Hills, Carter County Oklahoma (Collection of the Colorado School of Mines Geology Museum. Golden, Colo.)