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in this case
This authentic fossil specimen is from the Pierre Shale (Lower Cretaceous) and was found near the town of Central
6 million years
It is meant to be a study of species which may be found loose or in the mud balls found along the Pierre Seaway
Ray had the vision and wrote the resolution
Platyrhinops (Amphibamus) lyelli, early amphibian skeleton Baryonyx in this caseAmphibians, familiar to most people as frogs, toads, and salamanders, first appeared at the end of the Devonian Period. A notable Pennsylvanian locality is known as Linton, in Jefferson County, Ohio. Waste rock from a coal mine active in the 1800s, represents sediment deposited in a coal swamp lake, perhaps an oxbow lake, that teemed with fishes, including paleoniscoids, lungfishes, and freshwater sharks, and many species of amphibians and even early