Which Animals Have Cephalization?

Which Animals Have Cephalization? Three groups of animals display a high degree of cephalization: vertebrates, arthropods, and cephalopod mollusks. Examples of vertebrates include humans, snakes, and birds. Examples of arthropods include lobsters, ants, and spiders. Examples of cephalopods include octopuses, squid, and cuttlefish. Are all animals cephalized? All vertebrate animals qualify as highly cephalized organisms