👉 Myochroidea is a group of animals in the phylum Chordata, which includes fish, mammals, birds, and reptiles. They are known for their ability to swim or dive, as well as their ability to move through water with their fins, particularly in aquatic environments. Myochroids have a wide range of body forms, including those that resemble fish, turtles, and amphibians, and some species can also be found on land.