. The Crinoidea flexibilia (with an atlas of and 76 plates). Crinoidea, Fossil. 14b 13b HeliolypeCoBoslon. 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