A chunk of sea floor with various Ammonite specimens - individually hand polished.  Bivalve specimens also present.  These specimens are estimated to be from 79 million to 145 million years ago.  25" x 23", approx. 400 lbs. 

Here is a claw from a Chirostenotes oviraptorosaurian dinosaur from the late Cretaceous (about 76.5 million years ago) of Alberta, Canada. Chirostenotes (named from Greek 'narrow-handed') is a genus of oviraptorosaurian dinosaur from the late Cretaceous (about 76.5 million years ago) of Alberta, Canada. The type species is Chirostenotes pergracilis....

This 50 million year old, Eocene-Era fossil fish comes from one of the world's famous Laggerstatten, the Green River Formation in Wyoming. A small portion of the fish fossils from Green River exhibits such fine preservation as this. This Diplomystus dentatus fossil displays 16 fish scattered across a large plate...

Heliobatis Eocene Stingray (Female) fossil.  33-55 Million years old.  This specimen was found in Green River, Wyoming, USA.

Age: Cretaceous Age 67.5 - 65 Million years old From: Hell Creek Formation, Perkins County, South Dakota   Nanotyrannus ("dwarf tyrant") is a potentially dubious genus of tyrannosaurid dinosaur. It is known only from two specimens (possibly three), which are potentially juvenile specimens of the contemporary genus Tyrannosaurus rex.  ...

This is a rare, pyritized crinoid, Codiacrinus schulzi from the famous Lower Devonian Hunsrück Slate of Germany. Has museum quality detail on a large piece of slate.   The lower Devonian (lower Emsian) slates from Bundenback have been quarried for roofing material for centuries. Quarrying continued until the 1960s, when...

From Hell's Creek Formation, Montana, USA 80-66 million years ago in the Cretaceous Period    Struthiomimus is a genus of ornithomimid dinosaur from the late Cretaceous period. It was a long-legged, meat-eating ostrich-like dinosaur. Struthiomimus had long slender arms, and hands, with immobile forearm bones but limited possibility between the...