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Keywords from Image Description:
Walcott Cambrian Geology and Paleontology II plate . Plate Cambrian Faunas of China Coosia Asaphiscus Bathyuriscus and Solenopleura Coosia superba WalcottWalcottWalcottWalcottWalcottWalcottWalcott Charles Walcott Cambrian Faunas of China Smithsonian Miscellaneous Collections Volume Number Publication City of Washington Published