👉 The term "cephalidae" refers to a group of small, crustacean animals that are commonly found in freshwater environments. These animals have a cephalopod shell, which is composed of a hard, protective outer layer and a soft, inner shell. The cephalopods are typically known as barnacles or sea anemones, but they can also be found in other parts of the oceanic environment. Cephalidae are characterized by their unique body structure,