Species: prehistoric species
Species that became extinct prior to about 5,000 years ago, before the earliest known writing systems.
The following tags are aliased to this tag: prehistoric_animal, prehistoric_creatures, paleoart, prehistoric_mammal (learn more).
This tag implicates extinct (learn more).
The following tags implicate this tag: plesiosaur, mosasaur, ammonite, tanystropheid, mastodon, tully_monster, entelodont, cave_bear, saber-toothed_tiger, pelycosaur, archaeoceti, dire_wolf, gorgonopsid, edaphosaurid, ground_sloth, hyracodontid, cave_hyena, embrithopod, andrewsarchus, glyptodont, megaloceros, woolly_rhinoceros, giant_penguin, pterosaur, dinosaur (learn more).