This is a list of all species and animate entities (zombies, golems, ghosts...) used and created by Piers Anthony in his series. The most common species is human, and humans appear in all of his series and separate novels. Dragons are another common species throughout several series.
- Xanth and Apprentice Adept share the most species including unicorns, werewolves, vampires, trolls, and self-aware robots.
- Xanth and Mode share intelligent and talented animals and shape shifting creatures.
Piers Anthony is always creating new and punnier species, so this list may not ever be complete.
- Day mares lead by the Day Stallion
- Donkey, see list of donkeys.
- Dust devil
- Hippogryph, see list of horses
- Hipporoc, see list of centaurs and roc
- Horse, see list of horses
- various insects
- Machine, see the list of machines
- Mermaid, Merman, and Merwoman
- Monster under the bed
- Mud grub
- Parody bird
- Pooka, see list of horses
- Sand man
- Sea cow
- Search engine
- Sidehill hoofer
- Werehorse, see list of horses