| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| The Triassic saw the first of this lactating type of animal, evolving from creatures called synapsids | mammals | $800 | DJ | GEOLOGIC TIME | 2008-10-29 | #5553 | |
| The Cenozoic era is called "the Age of" this class of animals, since they became prominent then | mammals | $1,000 | DJ | GEOLOGY | 1991-01-07 | #1466 |