Amphibian Fossil

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Photo credit: © Science History Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: america, amphibia, amphibian, animal, carboniferous, concretion, creek, era, fauna, fossil, fossilized, illinois, ironstone, late, lepospondyl, lepospondyli, mazon, microsaur, microsauria, nodule, north, paleontology, paleozoic, pennsylvanian, period, prehistoric, siderite, vertebrate