The phylum is the second highest rank in the Linnaean system, below the domain and above the class.
Some examples of phyla include:
- Porifera (sponges)
- Cnidaria (jellyfish, corals, and sea anemones)
- Platyhelminthes (flatworms)
- Nematoda (roundworms)
- Annelida (segmented worms)
- Mollusca (clams, snails, and octopuses)
- Arthropoda (insects, spiders, and crustaceans)
- Echinodermata (sea stars, sea urchins, and sand dollars)
- Chordata (fishes, amphibians, reptiles, birds, and mammals)