Aristolepis

Aristolepis is a genus of extinct cartilaginous fish that lived during the Carboniferous period. These ancient sharks are known primarily from fossilized teeth and fin spines. The genus name Aristolepis is derived from Greek words meaning "best scale," likely referring to the characteristic dermal denticles or scales found on fossilized remains.

Fossils attributed to Aristolepis have been discovered in various locations around the world, indicating a widespread distribution during its time. The teeth of Aristolepis are typically small and triangular, suggesting a diet that may have consisted of small invertebrates or possibly smaller fish. The fin spines, often found associated with teeth, are robust and likely served a protective function, a common adaptation among many Paleozoic sharks.

While Aristolepis is not as well-known as some other prehistoric sharks, its fossils provide valuable insights into the diversity and evolution of early shark lineages. Understanding Aristolepis contributes to our broader knowledge of marine ecosystems during the Carboniferous, a period characterized by significant evolutionary developments in aquatic life. Research continues to analyze its remains to better understand its phylogenetic relationships and ecological role within its ancient environment.