The Manuscript and Collectibles Sale

Horseshoe crabs are living fossils that can trace their origin back over 500 million years. They have always been rather rare animals that started ou

This enormous 18 1/2"x5" museum quality fish is from the Green River area of Wyoming and was a very large relative of a herring-lik...

Complete, finely-detailed plant fossils are rare, and flowers are much rarer still. These beautiful brown and gray fossils from Shanddong Province, C

Over 200 million years ago, near Lincoln Park, New Jersey, a medium size predatory dinosaur walked in the mud near the ocean, leaving its footprints

Glossopteris browniana was a strange type of tree known as Pteridospermale, and only grew in the Southern Hemisphere. This very colorful 14&#34...

This complete unhatched Hadrosaur (duckbilled) dinosaur egg is 70-80 million years old and measures 6 ½" long and 5 ...

Selenopeltis bucchi was an unusually large spiny trilobite that crawled on the seafloor of the warm seas of Western Morocco 450 million years ago. Tr

One of the rarest and most sought after Green River Wyoming fossil fish plates is one having a fish aspiration: a fish that choked to death while swa

Aepyornis maximus, the elephant bird, laid the largest egg of any bird known. These eggs would hold over eight quarts of yolk, the equivalent of 170

Because birds have such delicate bones, they rarely fossilize, which is why the early history of bird evolution was poorly understood. The spectacula