| Answer | Crossword Clue |
|---|---|
| ceratodus | (Greek) a genus of ganoid fishes, with lungs so well developed that they can leave the water and breathe in air |
| Answer | Crossword Clue |
|---|---|
| ceratodus | (Greek) a genus of ganoid fishes, with lungs so well developed that they can leave the water and breathe in air |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.