👉 Pleuropterygian refers to a type of fish that has two pairs of wings. These are called pleura, which is the muscular part of the wing and thorax. The pleuridae family includes many species of fish such as the common eel (Eelioidea), the pleuropteran (Pleuroptera), and the pleuropterygian fishes (Pleuridae). These fish have a streamlined body, long limbs, and
