Phylum -

Soft-bodied animals, often with shells (snails, clams, octopuses).

Phyla help biologists understand evolutionary relationships. Organisms in the same phylum—say, a human and a fish—might look very different, but they share a basic body blueprint (in this case, belonging to Chordata ). Phylum Chordata | manoa.hawaii.edu/ExploringOurFluidEarth phylum

Creatures with stinging tentacles (jellyfish, corals). Porifera : Simple, porous aquatic animals (sponges). Annelida : Segmented worms. Why Does Phylum Matter? often with shells (snails

In botany (plants, fungi), the term division is often used interchangeably with phylum. Key Phyla in the Animal Kingdom corals). Porifera : Simple