| phyl | unsegmented worms: roundworms |
|---|---|
| phyl | marine invertebrates that resemble mollusks |
| phyl | marine or freshwater animals that form colonies of zooids |
| phyl | arrowworms: a group of small active transparent marine worms |
| phyl | comprises true vertebrates and animals having a notochord |
| phyl | hydras |
| phyl | hydras |
| phyl | a phylum in the kingdom Protoctista |
| phyl | comb jellies |
| phyl | tiny marine organisms each the size of a period found in great numbers on lobsters' lips |
| phyl | radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers |
| phyl | coextensive with or a subphylum of Bryozoa |