Species 3: Everyday Life Under Dangerous Circumstances

After credit Beastiary

 * Centaurs
 * Lightweight Centaur
 * Dairy Breed Centaur
 * Heavyweight Centaur

Trivia

 * This episode is based on Chapters 5 and 6 of the manga series.
 * Kimihito Kurusu makes a reference to Jojo's Bizarre Adventure asking if the Centaurs behind Centorea are a stand.

Differences from the Manga
Chapter 5:

Chapter 6: