ballistilistes
Ballistilistes is a genus of extinct cartilaginous fishes that lived during the Carboniferous period. These ancient sharks are known primarily from fossilized teeth and, less commonly, from fin spines and dermal denticles. They belong to the extinct order Eugeneodontiformes, a group characterized by their unusual tooth whorls. However, ballistilistes themselves are distinct from the more well-known Eugeneodonts like Helicoprion, as they did not possess a similarly large, coiled tooth structure.
The teeth of ballistilistes are typically small and triangular, often exhibiting serrated edges, which suggests a