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Pelagic Prehistory Mod adds prehistoric sea creatures and fossil excavation to ocean biomes. It lets you search the sea floor for ancient sediment to extract DNA and bring extinct marine animals back to life. You can also find living cuttlefish and dugongs, plant ancient trees, and craft specialized revival machinery. Revived animals safely drop as items if they perish, allowing you to place them back into the water without losing them.

Pelagic Prehistory Mod

Features:

  • Spawns ancient sediment on the ocean floor containing preserved fossils and rich coal deposits.
  • Adds two specialized machines to process fossils into DNA vials and grow ancient eggs.
  • Populates ocean biomes with living cuttlefish and gentle dugongs.
  • Introduces the Ginkgo tree wood type alongside ancient aquatic flora.
  • Returns defeated revived animals as collectible inventory items.

Prehistoric Sea Creatures:

  • Plesiosaurus, Pliosaurus, and Shonisaurus giant marine reptiles.
  • Dunkleosteus, Bawitius, and Cladoselache armored prehistoric fish.
  • Spinosaurus and Irritator prehistoric carnivores.
  • Prognathodon, Henodus, Orthacanthus, and Eurhinosaurus ancient aquatic species.
  • Lepidotes prehistoric ray-finned fish.

How to Use:

  1. Search ocean biomes to mine ancient sediment on the sea floor and collect fossils.
  2. Place your fossils into an Analyzer to extract usable DNA vials.
  3. Hold Shift while hovering over a DNA vial to check its required ingredient.
  4. Insert the DNA vial and its matching item inside an Infuser to create a plant, egg, or animal pup.
  5. Place the resulting item directly into water to hatch the fully grown creature.

Screenshots:

An armored Dunkleosteus swims through the dark depths of the ocean
An armored Dunkleosteus swims through the dark depths of the ocean
A player explores the dark ocean floor using lanterns for light
A player explores the dark ocean floor using lanterns for light
Specialized revival machinery from Pelagic Prehistory Mod placed on a stone counter
Specialized revival machinery from Pelagic Prehistory Mod placed on a stone counter
Prehistoric armored fish swimming through the water near the rocky ocean floor
Prehistoric armored fish swimming through the water near the rocky ocean floor
A prehistoric Spinosaurus swims through deep blue water near tall kelp plants
A prehistoric Spinosaurus swims through deep blue water near tall kelp plants
A Spinosaurus stands in a grassy field next to a calm river
A Spinosaurus stands in a grassy field next to a calm river
Two prehistoric fish swimming in a deep ocean biome with seagrass
Two prehistoric fish swimming in a deep ocean biome with seagrass

Pelagic Prehistory Mod Download Links

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For Minecraft 1.21.1, 1.21

NeoForge 2 MB Aug 17, 2026

For Minecraft 1.20.1, 1.20

Forge 2 MB Aug 17, 2026

For Minecraft 1.19.2

Forge 2 MB Aug 17, 2026

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