👉 The term "cephhalochordata" is a genus of crustaceans belonging to the family Chordata. This group includes various species of crustacean, including octopuses, squid, and sea urchins. Cephalochordates are known for their unique cephalic structure, which allows them to move through water without the need for a filter membrane. These animals have a large, flexible body that is adapted to swimming in open bodies of water such as oceans