| DEX↕️ | ✔️ | Name↕️ | Game↕️ | Location↕ |
|---|---|---|---|---|
| 138 | Omanyte | Moon | Trade | |
| 138 | Omanyte | White | Helix Fossil | |
| 138 | Omanyte | Black2 | Helix Fossil | |
| 138 | Omanyte | White2 | Helix Fossil | |
| 138 | Omanyte | X | Trade | |
| 138 | Omanyte | Y | Helix Fossil | |
| 138 | Omanyte | OmegaRuby | Trade | |
| 138 | Omanyte | AlphaSapphire | Helix Fossil | |
| 138 | Omanyte | Sun | Trade | |
| 138 | Omanyte | Black | Helix Fossil | |
| 138 | Omanyte | UltraSun | Helix Fossil | |
| 138 | Omanyte | UltraMoon | Helix Fossil | |
| 138 | Omanyte | LetsGoPikachu | Helix Fossil | |
| 138 | Omanyte | LetsGoEevee | Helix Fossil | |
| 138 | Omanyte | Sword | Trade | |
| 138 | Omanyte | Shield | Trade | |
| 138 | Omanyte | SwSh-DLC | Sword: Giant's Foot, Roaring-Sea Caves (Surfing) | |
| 138 | Omanyte | Red | Helix Fossil | |
| 138 | Omanyte | SoulSilver | Trade | |
| 138 | Omanyte | HeartGold | Helix Fossil | |
| 138 | Omanyte | Platinum | Helix Fossil | |
| 138 | Omanyte | Pearl | Helix Fossil | |
| 138 | Omanyte | Diamond | Helix Fossil | |
| 138 | Omanyte | LeafGreen | Helix Fossil | |
| 138 | Omanyte | FireRed | Helix Fossil | |
| 138 | Omanyte | Emerald | Trade | |
| 138 | Omanyte | Sapphire | Trade | |
| 138 | Omanyte | Ruby | Trade | |
| 138 | Omanyte | Crystal | Time Capsule, Event | |
| 138 | Omanyte | Silver | Time Capsule, Event | |
| 138 | Omanyte | Gold | Time Capsule, Event | |
| 138 | Omanyte | Yellow | Helix Fossil | |
| 138 | Omanyte | Blue | Helix Fossil |