Pterinea Mollusk

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A mollusk radiate from the Paleozoic time, Pterinea emacerata from the Niagara group.

Keywords

geology, shell, fossil, early life form, Paleozoic, Silurian period, radiate mollusk, ancient mollusk, Niagara group, Pterinea emacerata

Galleries

Other Mollusks

Source

Dana, James D. New Text-Book of Geology (New York: Ivison, Blakeman & Company, 1883) 222

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