Plesiadapiformes

Description
Plesiadapiformes is a group of Primates, as sister of the Dermoptera. While none of the groups normally directly assigned to this group survived.

Something
Cost: 165 Billion Entropy

Gives: 18.5 Billion Entropy

Upgrades to get it

 * Narrow snouts - Costs 30 Billion Entropy
 * No postorbital bar - Costs 65 Billion Entropy
 * Small brain - Costs 95 Billion Entropy
 * Large canines along with a diastema, and claws. - Costs 140 Billion Entropy