👉 Ichthyoidal is a group of marine animals that belong to the order Ichthyophora. These animals are known for their unique and specialized structures, such as armored plates, which provide protection from predators and protect them from cold water conditions. They also have long, flexible tails that allow them to move through water with ease. The term "Ichthyoid" comes from the Greek word "Ichthus," which means fish or sea creature.