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An illustration of Dimetrodon extracting an unfortunate boomerang-head amphibian from its burrow. Shed teeth mingled with amphibian bones reveal that the fin-back ate these strange burrowing creatures in the Permian period.
Bones of the creature
(Image credit: Houston Museum of Natural Science.)
A dimetrodon skeleton. These lizard-like creatures are actually related to modern mammals.
FIGHT!
(Image credit: Robert Bakker.)
Dimetrodon loomisi, flipping another amphibian, Trimerorhachis.
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