| Extinct | Yes |
| Habitat | Varied areas • Underwater • Mountainous regions |
| Species | Precursor Hominids • Aquatic Hominids • Deep Mountain Hominids |
| Lifespan | Unknown • Unknown • Unknown |
| Interactions | Interacted with other hominids and modern humans • Lived alongside other hominids and modern humans • Had limited contact with other hominids and humans |
| Causes of extinction | Unknown, suspected contact with modern humans • Climate change, competition for resources • Possibly wiped out by other species |
| Cultural adaptations | Technologically advanced • Excelled at water-based skills • Mastered mountaineering and cold-climate survival |
| Biological adaptations | Advanced Brain development • Gill-like respiratory organs • Stocky build, thick fur |
| Impact on modern human civilization | Inspired technological innovations • Fostered appreciation for water-based skills and aquatic life • Influenced cold-climate survival skills |
