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Keywords from Image Description:
The North American Crinoidea camerata PLATE XXV . Grino ii' ea Cam erata Plate XXV Heliotype printing Cn Boston PLATE XXV Illustration Atlas biodiversitylibrary org title Springer Frank Wachsmuth Charles Biodiversity Heritage Library National Fossil Day The North American Crinoidea camerata atlas Crinoidea Fossil Echinodermata