| Answer | Crossword Clue |
|---|---|
| chaetognath | a kind of marine worm |
| chaetognaths | CHAETOGNATH, a kind of marine worm |
| hemichordates | HEMICHORDATE, a kind of marine worm |
| sipunculid | a kind of marine worm with a retractile proboscis also SIPUNCULOID |
| sipunculoid | a kind of marine worm with a retractile proboscis also SIPUNCULID |
| sipunculoids | SIPUNCULOID, a kind of marine worm with a retractile proboscis also SIPUNCULID |
| sipunculids | SIPUNCULID, a kind of marine worm with a retractile proboscis also SIPUNCULOID |
