Palaeoniscus is an ancient ray-finned fish in the Early Permian interval, close to 290 million a long time back. Recognized for its robust ganoid scales and streamlined entire body, it represents early actinopterygian evolution, the ancestor of Newest fish. The Hallucigenia is definitely an elongated, worm-like creature with spiney oppendages https://bookmarkfriend.com/story18609492/details-fiction-and-freshwater-fish