Onychodus is usually a genus of prehistoric lobe-finned fish with the Devonian period of time, around four hundred million several years ago. Noted for its distinct characteristics, Onychodus was an early illustration of sarcopterygian fish, which incorporates ancestors of modern lungfish and tetrapods. Nurse Sharks really are a nocturnal bottom https://bookmarkgenius.com/story18482341/little-known-facts-about-rare-fish