J215 - Unusual Unidentified Dinosaur Set of 6 Egg Shells - Upper Jurassic - "The Young Locality" Morrison Fm Colpocoryphe bohemica 895'W Mass (g): 8-10 kg

895'W Mass (g): 8-10 kg Pieces: 3 Class: Martian (shergottite) Ferrosilite (mol%): 39

-Mosasaurus beaugei (Arambourg

Sister taxa: Otarionides

7g(143935922737)

The Ancyloceratina were a diverse suborder of ammonite most closely related to the ammonites of order Lytoceratina

J215 - Unusual Unidentified Dinosaur Set of 6 Egg Shells - Upper Jurassic - "The Young Locality" Morrison Fm Colpocoryphe bohemica 895'W Mass (g): 8-10 kgHere we present an extremely rare eggshells fragments set from an unidentified dinosaur coming from the upper Jurassic of the famous Morrison geological formation. Extremely rare to find nowadays. They come from a well documented site called "The Young Locality" in Delta County, Colorado (USA). The exact ID is unknown but they are either ornithopod or a small theropod according to the last published papers. A rarity worthy of the most discerning