Carboniferous

Carboniferous is the sixth era in this game. there are 6 organisms in this era. The requirement for unlocking this era is researching Oviparity.

Trivia

 * This era spans from 359 to 299 million years ago.
 * This is the first Era with land habitat in this game.
 * This is the first Era with 2 Rebirths per era. The number of rebirths per Era does not increase until Late Cretaceous.
 * In this era, the first of the two flying creature(Meganeura) appear. The other flying creature is in Middle Cretaceous.
 * Arthropods(again) dominate this era's Organisms.