Prehistoric Pokémon 3rd Generation

Gallomi: Back in prehistoric times, they were fast running insectivores that sprinted across the deserts. They were very hard to catch for predators.

Gallotheri: Now a herbivore, it also possesses powerful claws for defense. Scientists believe it used to be a carnivore.

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Finsaur: One of the first Pokémon to have learned flight, it opened membranes on its body to glide from branch to branch. It fed on eggs and the fins on its back absorb sunlight to warm itself up.

Dimetrosaur: A primitive carnivore that ambushed large herds of herbivores. It ate 90% of its kills and was highly aggressive in the desert.

Maiasaura ♂ (male): The male version of Maiasaura from the first generation. Its hollow horn made an interesting sound to call its clan. It was highly protective of its family but often fell for the teeth of a Giganosaur.

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Sailon: This Pokémon is the last on my list but I put it with these guys to save space (there's one more picture after this). A Pokémon that escaped the future and introduced itself in the present time. It is one of today's water fish Pokémon that has learned to fly, using its rear fins as wings, and front fins as a sail. It shows also that Pokémon in the future will be a lot stronger. The one encountered was only at level 20 but defeated easily a Pokémon at level 50.