This is an example of an Oviraptor dinosaur egg. This dinosaur was rather small, only about 6-7 feet long and weighing 60-70 pounds. The dinosaur lived during the Late Cretaceous Period, and this egg was collected in northwestern China near the Mongolian border. The egg is 6 inches long and weighs 11.3 ounces.
Here are the remains of an animal that is similiar to the modern Cuttlefish. It lived in the Mesozoic seas. This particular specimen was collected from the Malm Formation, at Treuchtlingen, Germany and lived during the Jurassic Period.
Centriscus heinrichsi, a paddle fish, from the Miocene Period, Messinian Formation, Marecchia, Rimini, Italy.
Insect from the Eocene Period, of the Green River Formation. Garfield County, Colorado.
Trilobite from the Lower Ordovician Period, Yinchufu Series. Collected from Houshan NE, Kienstehsien, China.