👉 The megalomycters are a family of small, air-breathing animals belonging to the order Chordata, which includes various types of insects and crustaceans. These creatures are characterized by their large size, typically ranging from 10 to 35 millimeters in length, with some species reaching up to 60 millimeters or more. They are known for their specialized air sacs called megalons that allow them to breathe through their skin while swimming and diving.