| Epoch subdivision | 17 |
| Epoch that saw the advent of mammals | 36 |
| Epoch that saw the dawn of modern mammals | 41 |
| Epoch upon epoch | 16 |
| Epoch when bats first appeared | 30 |
| Epoch when mammals appeared | 27 |
| Epoch when mammals arose | 24 |
| Epoch when mammals began | 24 |
| Epoch when modern mammals appeared | 34 |
| Epoch when the landmasses of North and South America joined | 59 |
| Epoch with big birds | 20 |
| Epoch with lots of fish | 23 |
| Epoch's English cousin | 26 |
| Epoch's epitome? | 20 |
| Epoch, e.g. | 11 |
| Epoch, in Venice | 16 |
| Epochal | 7 |
| Epochal segments | 16 |
| Epochs | 6 |
| Epochs and epochs | 17 |
| Epochs unlimited | 16 |
| Epochs upon epochs | 18 |
| Epode | 5 |
| Eponym for a Batavia, IL particle physics lab | 45 |
| Eponym for a campus building, often | 35 |
| Eponym for a day of the week | 28 |
| Eponym for a great city | 23 |
| Eponym for a lifesaving device | 30 |
| Eponym for a measure of speed | 29 |
| Eponym for a peanut butter cup | 30 |
| Eponym for a Plaza Hotel tea service for kids | 45 |
| Eponym for an annual literary award since 1919 | 46 |
| Eponym for an IRA variety | 25 |
| Eponym for failure | 18 |
| Eponym for the fifth of seven | 29 |
| Eponym indicating failure | 25 |
| Eponym of a Carnegie Hall auditorium | 36 |
| Eponym of a classic Minnesota-brewed beer | 41 |
| Eponym of a famous math theorem | 31 |
| Eponym of a Flushing Meadows stadium | 36 |
| Eponym of a Flushing Meadows tennis stadium | 43 |
| Eponym of a frozen fish line | 28 |
| Eponym of a frozen food | 23 |
| Eponym of a gymnastics flip | 27 |
| Eponym of a luncheon snack | 26 |
| Eponym of a major Canadian river | 32 |
| Eponym of a national forest in New Mexico | 41 |
| Eponym of a naturalists' society | 36 |
| Eponym of a New York island | 27 |
| Eponym of a North Carolina "-ville" | 45 |
| Eponym of a number series that begins 1, 1, 2, 3, 5, 8, ... | 59 |
| Eponym of a Parkinson research center in Phoenix | 48 |
| Eponym of a physics lab near Chicago | 36 |
| Eponym of a Southern "-ville" | 39 |
| Eponym of a Tanglewood concert hall | 35 |
| Eponym of a Venetian basilica | 29 |
| Eponym of an African capital | 28 |
| Eponym of an annual award for best left-handed pitcher | 54 |
| Eponym of an annual Norwegian math prize | 40 |
| Eponym of an Australian Open arena | 34 |
| Eponym of an Eastern state | 26 |
| Eponym of an old auto | 21 |
| Eponym of element 41 | 20 |
| Eponym of Gdansk's airport | 30 |
| Eponym of London's bobbies | 30 |
| Eponym of the 45th state | 24 |
| Eponym of the city now known as Istanbul | 40 |
| Eponym of the hockey trophy won 10 times by Gretzky | 51 |
| Eponym of the New York City mayor's mansion | 47 |
| Eponym of the trophy for the NFC champion | 41 |
| Eponym of the world's fifth-largest island | 46 |
| Eponym of Warsaw's airport | 30 |
| Eponym's contribution | 25 |
| Eponymic Dutch city | 19 |
| Eponymic New Jersey city | 24 |
| Eponymic physical therapist Ida | 31 |
| Eponymic town of Cambridgeshire | 31 |
| Eponymous '90s talk show | 28 |
| Eponymous 17th-century settler | 30 |
| Eponymous 1850s-'70s Mexican president | 42 |
| Eponymous 18th-century adventurer | 33 |
| Eponymous 1902 physics Nobelist Pieter | 38 |
| Eponymous 1969 jazz album | 25 |
| Eponymous 2001 pop album | 24 |
| Eponymous Amelia | 16 |
| Eponymous ancestor of the Greeks | 32 |
| Eponymous associate of Stalin | 29 |
| Eponymous astronomer | 20 |
| Eponymous Austrian skater | 25 |
| Eponymous bacteriologist | 24 |
| Eponymous beekeeper Shavitz | 27 |
| Eponymous Belgian town | 22 |
| Eponymous Bloomer | 17 |
| Eponymous botanist Anders | 25 |
| Eponymous British baker Sally | 29 |
| Eponymous British Bobby | 23 |
| Eponymous British virologist Y.M. | 33 |
| Eponymous burner designer | 25 |
| Eponymous California museum founder | 35 |
| Eponymous candy company founder | 31 |