JurassiCraft-1.12.2-2.1.19.jar is a release file of the Minecraft mod JurassiCraft, made for Minecraft 1.12.2. It was published on December 27, 2018 and is 22 MB in size. For the full description, screenshots and every other version, visit the JurassiCraft mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.