👉 Cladocera, also known as clams or barnacles, are a group of marine invertebrates that belong to the phylum Chordata. They have segmented bodies and a single stipe (an outer covering) on each side of their body. Cladocera include various forms of animals such as clams, snails, and barnacles. Cladocera are characterized by their simple, segmented bodies and their ability to change color or pattern based on the conditions they