| Answer | Crossword Clue |
|---|---|
| hurcheon | same as urchin |
| hurcheons | HURCHEON, same as urchin |
| scrobicule | a small pit or depression, as around the tubercles of a sea urchin |
| scrobicules | SCROBICULE, a small pit or depression, as around the tubercles of a sea urchin |
| echinoderms | A marine invertebrate of the phylum Echinodermata, such as a starfish, sea urchin, or sea cucumber |
| echinoderm | A marine invertebrate of the phylum Echinodermata, such as a starfish, sea urchin, or sea cucumber |
