. The Crinoidea flexibilia (with an atlas of and 76 plates). Crinoidea, Fossil. Springer: Crinoidea Flexibilia Plate XXX\^. GLiljavail and 17c Helio^/^•io;l. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Springer, Frank, 1848-1927; Smithsonian Institution. City of Washington, Smithsonian institution

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Keywords: ., bookcentury1900, bookdecade1920, bookpublishercityo, bookyear1920