| Answer | Crossword Clue |
|---|---|
| pedigree | The record of descent of an animal, showing it to be purebred |
| pedigrees | The record of descent of an animal, showing it to be purebred |
| conodont | An extinct marine animal of the Cambrian to Triassic periods, having a long wormlike body, numerous small teeth, and a pair of eyes. It is now believed to be the earliest vertebrate |
| conodonts | An extinct marine animal of the Cambrian to Triassic periods, having a long wormlike body, numerous small teeth, and a pair of eyes. It is now believed to be the earliest vertebrate |
