Editing Pellucidar (section)

==Wildlife==
[[File:At the Earths Core 1922 Illustration.jpg|thumb|Painting of a "[[Pterodactylus|thipdar]]" for the cover of ''At the Earth's Core'' (1922), by [[J. Allen St. John]]]]
[[File:Dyryth--At_the_Earths_Core_1922_Illustration.jpg|thumb|Illustration of a "[[Megatherium|dyryth]]" from ''At the Earth's Core'' (1922), by [[J. Allen St. John]]]]

Various animals reside in Pellucidar. Many of Pellucidar's fauna consist of prehistoric creatures, which are extinct on the surface world. However, some animals are creations of Edgar Rice Burroughs himself. They are listed below by outer world name (if known), Pellucidarian name (if known), and the novel in which they first appear, along with any relevant comments.
* '''Ant Bear''' — An elephant-sized [[Orycteropodidae|orycteropodid]] (which the [[Aardvark]] is a part of) which preys on the Giant Ants. It has no outer world equivalent and its Pellucidarian name is unknown.
* '''[[Antelope]]s''' — Pellucidarian name unknown. One antelope species resembles a [[common eland]] with spiral horns curved to the back of their ears. It first appeared in ''At the Earth's Core''.
* '''[[Apatosaurus]]''' — Pellucidarian name unknown.
* '''[[Archaeopteryx]]''' — Pellucidarian name unknown. It first appeared in ''Tarzan at the Earth's Core''.
* '''[[Archelon]]''' (''Tola'') — It first appeared in ''At the Earth's Core''.
* '''[[Aurochs]]''' (''Thag'') — It first appeared in ''At the Earth's Core''.
* '''Aztarag''' — A sea creature which is nicknamed the "Tiger of the Sea". The Pellucidarian name for an unidentified outer world equivalent.
* '''[[Cave bear]]''' (''Ryth'') — It first appeared in ''At the Earth's Core''.
* '''[[Cave hyena]]''' — Pellucidarian name unknown. It first appeared in ''Pellucidar''.
* '''[[Panthera spelaea|Cave lion]]''' (''Ta-ho'') — It first appeared in ''At the Earth's Core''.
* '''[[Deinotherium]]''' — Pellucidarian name unknown. It first appeared in ''Tarzan at the Earth's Core''.
* '''[[Dimetrodon]]''' — Pellucidarian name unknown.
* '''[[Dimorphodon]]''' — Pellucidarian name unknown.
* '''[[Diplodocus]]''' (''Lidi'') — It first appeared in ''At the Earth's Core''.
* '''[[Dire wolf]]''' (''Codon'')
* '''Giant [[Ant]]s''' — No outer world equivalent. Pellucidarian name unknown. They are six feet long and are preyed upon by the Ant Bears.
* '''[[Goat]]s''' — They are domesticated by the Ape-Men. They first appeared in ''At the Earth's Core''.
* '''[[Gomphotherium]]''' — Pellucidarian name unknown.
* '''[[Hyaenodon]]''' (''Jalok'') — A dog-like carnivore which is not related to either [[hyena]]s or [[Wolf|wolves]]. They have been referred to as [[Wolfdog]]s and can be domesticated by the Ape-Men. In Pellucidar David domesticates two of them. It first appeared in ''At the Earth's Core''.
* '''Hydrophidian''' — A giant [[sea snake]] that is designated by Burroughs. Neither the actual outer world or Pellucidarian equivalent are known. It first appeared in ''At the Earth's Core''.
* '''[[Hyracotherium]]''' (''Orthopi'') — It first appeared in ''At the Earth's Core''.
* '''[[Ichthyosaurus]]''' (''Azdyryth'') — It first appeared in ''At the Earth's Core''.
* '''[[Labyrinthodontia|Labyrinthodont]]''' (''Sithic'') — A giant carnivorous amphibian. It first appeared in ''At the Earth's Core''.
* '''[[Mastodon]]''' (''Maj'') — It first appeared in ''Tanar of Pellucidar''.
* '''[[Megacerops]]''' (identified by its synonym ''Brontotherium'') — Pellucidarian name unknown.
* '''[[Megaloceros]]''' — Pellucidarian name unknown. It first appeared in ''Pellucidar''.
* '''[[Megatherium]]''' (''Dyryth'') — It first appeared in ''At the Earth's Core''.
* '''[[Pareiasaurus]]''' (''Gorobor'') — Giant [[lizard]]-like reptiles which serve as the Horibs' mode of transportation, as they are the fastest creatures in Pellucidar. They first appeared in ''Tarzan at the Earth's Core''.
* '''[[Phorusrhacos]]''' (''Dyal'') — It first appeared in ''Tarzan at the Earth's Core''.
* '''[[Plesiosaurus]]''' (''Tandoraz'', ''Ta-ho-az'') — The two Pellucidarian names refer to large and small varieties. It first appeared in ''At the Earth's Core''.
* '''[[Pteranodon]]''' (''Thipdar'') — It first appeared in ''At the Earth's Core''. They are sometimes used as the pets and guard animals of the Mahars.
* '''[[Pterodactylus]]''' (''Thipdar'') — It first appeared in ''At the Earth's Core''.
* '''[[Rhamphorhynchus]]''' (''Mahar'') — An oversized species of intelligent [[pterosaur]]s. It first appeared in ''At the Earth's Core''.
* '''[[Shark]]s''' — The sharks of Pellucidar are larger than normal sharks. It was never mentioned if these sharks are either ''[[Megalodon]]'', ''Carcharodon hubbeli'', or any other related prehistoric sharks.
* '''[[Smilodon]]''' (''Tarag'') — It first appeared in ''At the Earth's Core''.
* '''[[Snake]]s''' — Venomous vipers which the characters use to make poisoned arrows. They first appeared in ''At the Earth's Core''.
* '''[[Stegosaurus]]''' (''Dyrodor'') — A carnivorous variety that able to manipulate its back plates to allow it to glide (unlike a real ''Stegosaurus'').
* '''[[Tapir]]''' — Pellucidarian name unknown.
* '''[[Trachodon]]''' — Pellucidarian name unknown.
* '''[[Triceratops]]''' (''Gyor'') — An ill-tempered dinosaur. They are often hunted by Horibs.
* '''Trodon''' — Pellucidarian name for a creature with no outer world equivalent. The Trodon are [[dragon]]-like flying reptiles with pouches similar to those of kangaroos. Not to be confused with the ''[[Troodon]]'', an actual dinosaur. It first appeared in ''Back to the Stone Age'' where it carried Von Horst to its nest in the crater of a dead volcano. 
* '''[[Troodon]]''' — Pellucidarian name unknown.
* '''[[Tylosaurus]]''' — Pellucidarian name unknown.
* '''[[Tyrannosaurus]]''' (''Zarith'') — The Tyrannosaurus are one of the dominant predators in Pellucidar. Von Horst and La-Ja encountered a juvenile specimen the Forest of Death, and was about to devour a Gorbus, a member of a weird, cruel, albino race. Von Horst was able to kill the beast. La-Ja informs him that adult zarith feed on the giant Bos, the aurochs, and on the mighty mammoth.
* '''[[Whale]]s''' (referred to as "Herbivorous Cetaceans" by Perry) — The whales of Pellucidar weigh around four to five pounds, are vegetarian and brightly colored, and reside in bodies of fresh water instead of salt water, as whales do in the outer world. They first appeared in ''At the Earth's Core''.
* '''[[Woolly mammoth]]''' (''Tandor'') — It first appeared in ''At the Earth's Core''. Some woolly mammoths are used as mounts by a tribe of natives called the Mammoth Men.<ref name="BTTSA">Burroughs, Edgar Rice (1937). ''Back to the Stone Age''. Tarzana, CA: Edgar Rice Burroughs, Inc.</ref>
* '''[[Woolly rhinoceros]]''' (''Sadok'') — It first appeared in ''At the Earth's Core''.