👉 The term "Hyadesiidae" is a family of small, marine gastropod mollusks that belong to the order Arthropoda within the class Nematostomeae, commonly known as arachnids. They are characterized by their small size, which ranges from 0.5-1.2 mm in length, and their highly specialized appendages, including a pair of eyes, a mouth with teeth, and a set of four arms or legs. These ar
