Corientes
Corientes is a genus of extinct cartilaginous fish that lived during the Carboniferous period. These ancient sharks are known from fossilized teeth and fin spines, which have been discovered in various parts of the world, including Europe and North America. The genus was first described by paleontologist Arthur Smith Woodward in 1889. Corientes is characterized by its robust, heavily calcified fin spines, which likely served a defensive purpose. The teeth of Corientes are typically small and pointed, suggesting a diet of small invertebrates or possibly fish. Fossil evidence indicates that Corientes inhabited shallow marine environments. Its classification within the broader group of cartilaginous fishes places it among the Chondrichthyes. While specific details about its life habits are limited due to the nature of the fossil record, Corientes represents an important component of Carboniferous marine ecosystems. Ongoing research continues to refine our understanding of this prehistoric shark and its evolutionary relationships.