what should be said.
Definition: The Aetomorphae are a group of 17 species of molluscs found in marine environments throughout the world, including Australia and the Pacific. They have been identified as the first extant fossilized coral reef organisms.
Definition: Aetomorphae are a group of animals that have a central nervous system (CNS) and possess a myelinated axon. They are also characterized by their large brains, which can be several times larger than those of other vertebrates. Some examples of aetomorphae include the chelicerates (which are armored insects), the arthropods (which include many invertebrate animals), and the cephalopods (which include octopuses).