| Rating | Solver | Clue |
|---|---|---|
| OTTERS | Aquatic mammals | |
| PINNIPEDIA | A suborder of aquatic carnivorous mammals including the seals and walruses; -- opposed to Fissipedia. | |
| SIRENIA | An order of large aquatic herbivorous mammals, including the manatee, dugong, rytina, and several fossil genera. |