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Panthalassa

Panthalassa adds prehistoric aquatic creatures to your world!
by Sniffity
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209,550 downloads
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Updated Jun 30, 2026
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Panthalassa

a lost primordial sea...

 

(this mod requires the latest version of GeckoLib for Forge 1.19.2)

(this mod requires the latest version of Patchouli for Forge 1.19.2)

Venthure forth....

 

 

Panthalassa is a Minecraft mod, inspired by Steve Alten's phenomenal "MEG" book series , that adds prehistoric aquatic creatures to your world! Within, prepare to find laboratory structures, containing portals to a subterranean, fully aquatic dimension, sealed off from our world for countless years... You will be required to use special vehicles to navigate this unique dimension, lest the inmense water pressure crush you to death! Board a Manta Ray Submersible Vehicle, or an Abyss Glider II, and brave the depths! If you are clever, you may just be able to lure these denizens to the Overworld, and keep them in fantastic enclosures! 

 

 

Vision:


Panthalassa is envisioned as a "companion mod", meant to add side, optional content to your Minecraft world. There are no direct, practical benefits gained from progression in this mod. Rather, the benefits are purely aesthetic! You can capture these creatures and lead them to the overworld, and then keep them in enclosures, all for bragging rights!

 

Current Creatures
  • Kronosaurus
  • Archelon
  • Megalodon
  • Mosasaurus
  • Coelacanth
  • Leedsichthys
  • Dunkleosteus
  • Basilosaurus
  • Giant Orthocone
  • Thalassomedon
  • Acrolepis
  • Ceratodus
  • Helicoprion
  • Anglerfish
  • Anomalocaris

 

Social Links:

Panthalassa's Discord: 

https://discord.gg/Hn2WVa9jf8

Feel free to join us, and ask any questions you may have on our Discord channel!

 

Special Thanks:


 

This mod was possible thanks to the help of many amazing individuals, to whom I am extremely grateful:
-BobMowzie

-Innovative Pachyderm

-TelepathicGrunt

-Vitiate

Additionally, many thanks to the amazing team of bug testers:

-Bobbywick

-BurningLake

-KannaSK
-Allee

 

Further Screenshots:
Check out the Images tab up top!

No files available for download.

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