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Unusual Spawning

An natural spawning addon for Unusual Prehistory 2
by MHI
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19,411 downloads
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Updated Jul 6, 2026
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Mobs World Gen

This addon will add a natural spawn system to both mobs and plants from Unusual Prehistory 2 mods that exist on their respective biome.


List of Mobs biome

Carnotaurus - Savanna, Badlands
Diplocaulus - Swamp, Mangrove Swamp
Dromaeosaurus - Plains, Forests
Dunkleosteus - Warm Ocean, Lukewarm Ocean
Jawless Fish - Warm Ocean, Lukewarm Ocean
Kentrosaurus - Plains, Jungle, Savanna, Forests
Kimmeridgebrachypteraeschnidium - Swamp, Beach
Majungasaurus - Jungles, Beach 
Megalania - Savanna
Metriorhynchus - Warm Ocean, Lukewarm Ocean
Onchopristis - Rivers
Stethacanthus - Warm Ocean, Lukewarm Ocean
Talpanas - Dark Forest, Lush Caves, Beach
Tartuosteus - Warm Ocean, Lukewarm Ocean, Deep Ocean, Deep Lukewarm Ocean, Ocean
Telecrex - Plains, Meadow, Savanna
Kaprosuchus - Savanna
Desmatosuchus - Swamp
Lystrosaurus - Swamp
Pachycephalosaurus - Badlands
Psilopterus - Savanna
Leptictidium - Desert, Badlands
Ulughbegsaurus - Plains, Beach
Coelacanthus - Deep Ocean
Lobe Finned Fish - River
Hibbertopterus - Swamps
Pterodactylus - Caves, Beach
Brachiosaurus - Sparse Jungle, Beach
Praepusa -  Frozen Ocean, Snowy Beach
Aegirocassis - Deep Ocean
Mosasaurus - Deep Ocean

List of Plants biome

Gingko - Forests
Lepidodendron - Swamps
Bennettitales - Badlands, Deserts
Calamophyton - Swamps
Cladophlebis - Swamps, Forests, Jungles
Cooksonia - Meadow, Plains
Horsetail - Swamps, Forests, Jungles
Giant Horsetail - Swamps, Forests, Jungles
Leefructus - Swamps, Forests, Jungles, Plains
Moss Layer - Swamps
Quillwort - Swamps, Rivers
Raiguenrayun - Sunflower Plains
Rhynia - Swamps, Beach
Aethophylllum - Jungles, Swamp
Archaeosigillaria - Swamp
Brachyphyllum - Old Growth Taiga, Swamp
Neomariopteris - Badlands, Desert
Tempskya - Old Growth Taiga
Delitzschala Stalk - Swamps
Zhangsolva Bloom - Sunflower Plains

 

This addon is also compatible with:
Windswept
Spawn
Environmental
Atmospheric
Nature's Spirit
Biomes O' Plenty
Oh the Biomes We've Gone
Region Unexplored

 



Special Thanks to:
Unusual Prehistory 2 Team for creating the mod
Platypus, for helping and tweaking the spawn system

 

If you found any problem or bugs, please report to the comment section or discord server

unusual_spawning-1.20.1-1.3.1.jar
MC 1.20.1, Forge, Server
Release 2026-04-02 Get

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