If a sguid is not and amphibian what is it?

If a squid is not an amphibian, it is classified as a mollusk, specifically within the class Cephalopoda. This group also includes octopuses and cuttlefish. Squids are characterized by their soft bodies, tentacles, and advanced nervous systems, distinguishing them from amphibians, which typically have a life cycle that includes both aquatic and terrestrial stages.