Oldest Animal Species on Earth Platypus The platypus is an egg-laying mammal native to Australia and is estimated to have been on our planet for about 110 million years. Previous Next Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 bee Cockroach Coelacanth Cow shark Crocodile dinosaurs Earth Elephant shark fossil Giant Freshwater Stingray Goblin shark Green sea turtle Horseshoe shrimp Jellyfish Lice living fossils Oldest Animal Platypus Sandhill Crane sharks shrimp Species Spiny anteater Tortoise Tuatara 2025-01-28 pey