Onychodus is actually a genus of prehistoric lobe-finned fish from the Devonian period of time, roughly four hundred million many years in the past. Noted for its unique features, Onychodus was an early example of sarcopterygian fish, which incorporates ancestors of recent lungfish and tetrapods. Merely a stone throw clear https://bookmarkspiral.com/story18630748/aquarium-cleaning-can-be-fun-for-anyone