3D model based on a microCT scan of the tooth that represents the holotype of Cretacladoides noricum, which is about 138 million years old (Early Cretaceous). The tooth was found in a limestone from the Calcareous Alps in upper ...

3D scan of an Otodus (Carcharocles) megalodon tooth. This specimen comes from St. Margarethen in Austria, and is about 9 cm long. Megalodon means “big tooth”, and this species is an extinct species of shark that lived during the ...