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Formicium giganteum

Giant Ant

Giant Ants as portrayed in "Walking with Beasts"

Giant ants (Formicium giganteum), so far the biggest ever recorded, also lived during the Eocene. They were up to three centimeters long, with the queen as long as five and a half centimeters, with a wingspan of 13 centimeters, which is lager than some hummingbirds. They were carnivorous and probably ate anything that couldn't move out of their way fast enough, much like today's army ants. Fossils have also been found in the Messel shales and at Eckfeld Maar in Germany.