Lakebed Sea
24 entries.
- Aquilolamna — Xiphactinus arena, right side (after the boss)
- Ophthalmosaurus — Stethacanthus arena, bottom-left (after the boss); later migrates to the main chamber
- Parameteoraspis — Hallways to the boss arenas
- Trilobite — Hallways to the boss arenas
- Stylonurus — Boss arenas
- Ammonite — Main chamber
- Tullimonstrum — Hallways; later migrates to the main chamber
- Promissum — Main chamber
- Hensodon — Main chamber
- Red Sea Lily — Main chamber
- Eomesodon — Main chamber
- Exellia — Main chamber
- Poreia — Main chamber
- Orthoceras — Main chamber
- Burgessomedusa — Stethacanthus arena, bottom-left (after the boss)
- Gyrodus — Main chamber
- Sacabambaspis — Xiphactinus arena, right side (after the boss)
- Platyceramus — Main chamber
- Ciurcopterus — Crab traps (rocks with bubbles)
- Tumidocarcinus giganteus — Crab traps (rocks with bubbles)
- Tuzoia — Crab traps (rocks with bubbles)
- Stethacanthus — Bottom-left corner of the Sea Beneath the Lake
- Xiphactinus — Through the middle-right door of the Sea Beneath the Lake
- Basilosaurus — Bottom of the Sea Beneath the Lake (Epilogue only)