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Keywords from Image Description:
Recherches sur les Crinodes du terrain Carbonifre de la Belgique Pl. . PL Fitf Article de tige de Poteriocrmus Verticille de id Racine de id Cyathocrinus mammillaris Phill Poleriocrinus PMlipsianus sp Poteriocrmus calyx Coy Coyanus sp Fid Poteriocrmus conoideus sp spissus sp io crassus Miller plicatus Austin radiatus