superphylum
/ˌsupərˈfaɪləm/
noun
- A high-level group in biological classification that includes several phyla (major divisions of living things).
- Scientists debate whether certain groups of organisms should be placed in the same superphylum.
- In biology class, we learned that the superphylum Ecdysozoa includes animals that shed their outer skin.
- The superphylum Lophotrochozoa contains many types of worms and mollusks.