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Keywords from Image Description:
The North American Crinoidea camerata PLATE XI . Grinoidea Camerata Ghas RKeyes Weste rgren del Helioiype Printing PLATE XI Illustration Atlas biodiversitylibrary org title Springer Frank Wachsmuth Charles Biodiversity Heritage Library National Fossil Day The North American Crinoidea camerata atlas Crinoidea Fossil Echinodermata