22165 - Top Rare Unidentified Dinosaur - Reptile Giant Limb Bone Cretaceous KemKem Shark vertebrae Leonaspis sp: Fossilworks (Paleobiology Database)

Leonaspis sp: Fossilworks (Paleobiology Database)

one of the three most common naturally occurring crystal forms of calcium carbonate

Impressive natural and completely intact associated specimens of Cambropallas exceptionally preserved

• Ordovician of Belgium

22165 - Top Rare Unidentified Dinosaur - Reptile Giant Limb Bone Cretaceous KemKem Shark vertebrae Leonaspis sp: Fossilworks (Paleobiology Database)The bone rests from the sites in the south of Morocco are very scarce and valuable because of many reasons. One of them is the very same nature of the geological formation that contains them. The sediments were formed in delta and fluvial environments, where the transportation energy was relatively high. Because of this, any possibility of finding articulated rests is very rare, since the rests of dead animals where transported and deteriorated. That