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  1. Hypsocrinus, a new genus of crinoids from the Devonian / By Frank Springer and Arthur Ware Slocom -- ; Oliver Cummings Farrington --
    By: Springer, Frank. - Farrington, Oliver C. - Slocom, Arthur Ware, - Field Columbian Museum.
    Publication info: Chicago :Field Columbian Museum ,1906.
    Contributed by: University of Illinois Urbana Champaign
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