Wednesday, December 2, 2009

Small Green River Fish Fossil

A fish fossil? Surprise, it must be from Green River, Wyoming then!

Unidentified fish fossil found in the Green River Formation. This aquatic vertebrate existed in the Eocene Epoch, Palaeogene Period, Cenozoic Era

Thanks to Mary Ann for letting me photograph it.  Might be the size of minnow.

Cretoxyrhina Shark Tooth

Cretaceous Period shark called Cretoxyrhina mantelli produced this tooth. Found in Tarrant County, Texas in the Eagle Ford Group, Tarrant Member.

Thanks to Herb for the images.