J280 - Unusual Unidentified Dinosaur Set of 7 Egg Shells - Upper Jurassic - "The Young Locality" Morrison Fm Spinosaurus collections 93'' Drotops armatus Middle Devonian

93'' Drotops armatus Middle Devonian Trilobite

Mineral formation: The allargentum and silver have formed a "pseudomorph

Trilobita - Phacopida - Acastidae

SIZE 65 mm • 2

the morphology and strong lateral serrations are still reminiscent of normal theropods

J280 - Unusual Unidentified Dinosaur Set of 7 Egg Shells - Upper Jurassic - "The Young Locality" Morrison Fm Spinosaurus collections 93'' Drotops armatus Middle DevonianHere 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