Answer:
trilobite
| Answer | Crossword Clue |
|---|---|
| TRILOBITE | Marine invertebrate of yore |
| TRILOBITE | Horseshoe crab's ancestor |
| TRILOBITE | Marine fossil |
| TRILOBITE | Common fossil in Paleozoic rocks |
| Answer | Crossword Clue |
|---|---|
| TRILOBITE | Marine invertebrate of yore |
| TRILOBITE | Horseshoe crab's ancestor |
| TRILOBITE | Marine fossil |
| TRILOBITE | Common fossil in Paleozoic rocks |