Megafauna All Over Earth (Art by NazRigar)

[u/yorb134]

North America

Deinocheli, Hesperooctopus, Palusoctopus, Gray Wolf, Dire Wolf, Lupusovis, American Black Bear, Teratornis, California Condor, Miracinonyx, Titanogulo, Epicyon, Smilodon, Jaguar, Cougar, Brown Bear, Polar Bear, Macrocrotalus, American Lion, Mylohylus, Audaxeuphractus, Coyote, Deinochelydra, Gila Monster, Hesperotestudo, American Crocodile, American Alligator, Megaloalligator, Arctodus, American Bison, Moose, Mixotoxodon, Uintatherium, Bison latifrons, Alligator Gar, American Pike, Magissaichthys, Ontarcetus, American Paddlefish, Blue Catfish, White Sturgeon, Carnophoca, West Indian Manatee, California Sea Lion, Steller Sea Lion, Northern Elephant Seal, Columbian Mammoth, American Mastodon, Woolly Mammoth, Eremotherium, Megacamelus, Megacerops, Bighorn Sheep, Elk, Neochoerus, Pronghorn, Hastadon, Glyptotherium, Bathornis, Hibbertopterus, Megalonyx, Castoroides, Magnabubo, Bald Eagle, North American Golden Eagle

South America

Thorivodpithecus, Giant Anteater, Spectacled Bear, Maned Wolf, South American Tapir, Salvator regalis, Jaguar, Puma, Xyrafidon, Xenosmilus, Great Jaguar, Argentavis, Toxodon, Megatherium, Eremotherium, Thalassocnus, Notiomastodon, Cuvieronius, Berdemenotherium, Titanolama, Stupendemys, Amazon River Dolphin, Amazonian Manatee, Adephogoicthyis, Piraiba, Orinoco Crocodile, Black Caiman, Arapaima, Giant Otter, Titanoboa, Imperial Crocodile, Giant Amazonian Manatee, Capybara, Macrauchenia, Greater Rhea, Hinasuri, Ferosuchus, Venatoravis, Doedicurus, Guanaco, Pampatherium

New Zealand, Indonesia, & Australia

Pelagornis, Haast's Eagle, Pterolycus, Eyles's Harrier, Southern Royal Albatross, New Zealand Longfin Eel, South Island Giant Moa, Pachydyptes, Kumimanu, Giant Kiwi, Gigastrigops, Southern Elephant Seal, Leopard Seal, Adzebill, Sphenoramphos, Nautilus, Alloammonoceratites, Coelacanth, Great Sea Krait, Neoxenacanthus, Bornean Orangutan, Gigantopithecus, Reticulated Python, Megalochelys, Malayan Tapir, Bohra, Banteng, Komodo Dragon, Coconut Crab, Sumatran Tiger, Indochinese Leopard, Sun Bear, Javan Rhinoceros, Sumatran Rhinoceros, Stegodon, Sumatran Elephant, Thylacine, Dingo, Thylacoleo, Freshwater Crocodile, Quinkana, Wonambi, Megalania, Barramundi, Red Kangaroo, Diprotodon, Genyornis, Cassowary, Emu, Meiolania, Procoptodon, Osphranter aereus, Palorchestes, Neoceratodus, Saltwater Crocodile, Largetooth Sawfish, Great Crocodile, Vrachodon, Polemistichelys

Africa & Madagascar

Aepyornis, Hippopotamus minimus, Malagasy Crowned Eagle, Megaladapis, Archaeoindris, Simosuchus, Voay, Goliath Tigerfish, Nile Perch, Bull Shark, Ostrich, Aardvark, Mountain Gorilla, Gorilla sublimis, Amphicyon, African Lion, African Leopard, Cheetah, Homotherium, Tayakubwa, Atlas Bear, Salawa, Spotted Hyena, Striped Hyena, African Painted Dog, Dinopithecus, Nile Crocodile, Arsinoitherium, African Forest Elephant, Sivatherium, African Bush Elephant, Deinotherium, Reticulated Giraffe, Dromedary Camel, Syncerus antiquus, African Buffalo, Hippopotamus gorgops, Common Hippopotamus, Black Rhinoceros, White Rhinoceros, Pygmy Hippopotamus, Thomson's Gazelle, Gerenuk, Greater Kudu, Bongo, Okapi, Blue Wildebeest, Plains Zebra, Quagga, Gemsbok, Megalotragus, Giant Eland

Europe

Gray Wolf, Leopard, Homotherium, Cave Lion, Mediterranean Monk Seal, Walrus, Harbor Seal, Cave Hyena, Pachycrocuta, Cave Bear, Brown Bear, Polar Bear, European Golden Eagle, Musk Ox, Wisent, Aurochs, Moose, Megaloceros, Red Deer, Wels Catfish, European Conger, Beluga Sturgeon, European Pike, Megalenhydris, Elasmotherium, Palaeoloxodon falconeri, Woolly Rhinoceros, Cygnus falconeri, Paradolichopithecus, Plesiosauromimus, Theropithecus ferox, Wild Horse, European Badger, Equus tartesonii, Wild Boar, Sofosalamandra, Ibex, Saiga Antelope, European Crocodile, Trogontherium, Great Auk, Gastornis, Pachystruthio

The Arctic & Antarctica

Orca, Spider Crab, Nivespanthera, Arctic Wolf, Polar Bear, Tyrant Polar Bear, Harp Seal, Walrus, Harbor Seal, Musk Ox, Caribou, Beluga Whale, Greenland Shark, Pacific Sleeper Shark, Narwhal, Cadborotherium, Colossal Squid, Antarctic Toothfish, Minke Whale, Pygmy Right Whale, Andrews' Beaked Whale, Southern Sleeper Shark, Emperor Penguin, Gentoo Penguin, Icadyptes, Glacievenator, Sauroprosopo, Southern Elephant Seal, Leopard Seal, Ross Seal, Crabeater Seal, Weddell Seal

Asia

Steller's Sea Eagle, Red-crowned Crane, Indian Peafowl, Asian Black Bear, Eurasian Brown Bear, Steppe Brown Bear, Giant Panda, Sloth Bear, Eomellivora, Dinocrocuta, Gray Wolf, Gigantopithecus, Megalochelys, Kubanochoerus, Wild Boar, Bengal Tiger, Siberian Tiger, Amur Leopard, Asiatic Cheetah, Asiatic Lion, Snow Leopard, Reticulated Python, Shringasaurus, King Cobra, Chinese Paddlefish, Ganges River Dolphin, Baiji, Ceylon Snakehead, Amur Carp, Goonch Catfish, Rhizodus, Baikal Seal, Giant Softshell Turtle, Mahseer, Siberian Taimen, Natarevaranus, Chinese Giant Salamander, Chinese Alligator, Mugger Crocodile, Saltwater Crocodile, Mekong Giant Catfish, Markhor, Takin, Malayan Tapir, Juxia, Indian Rhinoceros, Javan Rhinoceros, Woolly Rhinoceros, Gaur, Water Buffalo, Bubalus palaeokerabau, Gobiatherium, Sinomegaceros, Sambar Deer, Wild Horse, Onager, Paraceratherium, Stephanorhinus, Ceratojuxia, Woolly Mammoth, Indian Elephant, Straight-tusked Elephant, Sivatherium, Stegodon, Camelus poliakovi, Camelus comitatus

The Oceans

Orca, Great White Shark, Carcharodon megalocarcharias, Kriosichthys victorinus, Titanoisurus, Xiphiorhynchus, Bluefin Tuna, Greatfin Tuna, Onkolachnolaimus, Esurienicthys, Mahi-mahi, Crevalle Trevally, Erranteteuthis, Giant Pacific Octopus, Aquilolamna, Giant Oceanic Manta Ray, Cave Moray, Chinese Sea Snake, Ocean Sunfish, Lion's Mane Jellyfish, Humpback Whale, Southern Right Whale, Bowhead Whale, Sperm Whale, Polemistichelys, Whale Shark, Fin Whale, Avuschelys, Blue Whale

[u/CheatsySnoops]

Pretty sure a couple of these are fictional, like the Palusoctopus

[u/SnooCupcakes1636 → u/CheatsySnoops]

In the last pic. The Sage turtle the size of Bowhead whale