Stheno Creatures
| Name | Traits | Source | Level |
| Phermeina | UniqueMediumHumanoidStheno | Pathfinder #216: The Acropolis Pyre | 1 |
| Stheno Harpist | RareMediumHumanoidStheno | Pathfinder Bestiary 3 | 1 |
| Pteios | UniqueMediumHumanoidMythicStheno | Pathfinder #218: Titanbane | 11 |