| Answer | Crossword Clue |
|---|---|
| planarian | a kind of aquatic flatworm also PLANARIA |
| planarians | PLANARIAN, a kind of aquatic flatworm also PLANARIA |
| planarias | PLANARIA, an aquatic flatworm |
| trematode | a kind of parasitic flatworm also TREMATOID |
| trematoid | a kind of parasitic flatworm also TREMATODE |
| trematoids | TREMATOID, a kind of parasitic flatworm also TREMATODE |
| trematodes | TREMATODE, a kind of parasitic flatworm also TREMATOID |
