Update 1 : 

With some advises, I made a new version of the Centrosaurus based on the Styracosaurus model ! Since I like both of the version, you can choose as you wish your prefer one ! :D Also, for now, I don't change the skin of Styracosaurus version because of some issues with the alt skins that I can't figure out yet ! 

Version 1 replaces the Torosaurus with Centrosaurus
Version 2 replaces the Styracosaurus with Centrosaurus

Version 1 installation : 
Copy and paste the files into : Steam\steamapps\common\Jurassic World Evolution\Win64\ovldata\Content0/Dinosaurs/Torosaurus

Version 2 installation :
Copy and paste the files into : Steam\steamapps\common\Jurassic World Evolution\Win64\ovldata\Content0/Dinosaurs/Styracosaurus

Please, dont' forget to always backup your files before installing any mods.
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I know it's not a new species but I can't figured it out yet. I'm following all the steps that Harlequinz Eg0 made in his tutoriel but I'm still getting the "SizedStringEntry' object has no attribute 'ext'" error on cobra tools. Until I can figure it out, I wanted to share my ideas and projects anyway and I hope, by doing so, eventually, someone will help me ! 

So, this mod replaces the Torosaurus with Centrosaurus.

Installation :
Copy and paste the files into : Steam\steamapps\common\Jurassic World Evolution\Win64\ovldata\Content0/Dinosaurs/Torosaurus

Please, dont' forget to always backup your files before installing any mods.