Eocene Green River Fruit P-GRP2-16-032 Carnivorous Dinosaur A portion of the ammonite

A portion of the ammonite is crushed and replaced with crystalline calcite

coined by Othniel Charles Marsh in 1878

Lower Cretaceous (Albian)

The maximum size of the most common species

Eocene Green River Fruit P-GRP2-16-032 Carnivorous Dinosaur A portion of the ammoniteKoelreuteria sp. fruit and seeds Green River Formation Middle Eocene Lincoln County, Wyoming This remarkable specimen is a Koelreuteria fruit with seeds. This has superb preservation and at least two seeds can be seen inside the fruit. The fruit is 6. 5 cm across. This genus belongs to the "Lychee" or "Soapberry" family Sapindaceae and is seen in the Green River Formation by several different leaf, seed, and fruit types including the example seen