. Catalogue of the Blastoidea in the Geological Department of the British Museum (Natural History) : with an account of the morphology and systematic positionof the group, and a revision of the genera and species. British Museum (Natural History). Dept. of Geology; Blastoidea. oscliiema 5: TVoostocriYrus .. 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 British Museum (Natural History). Dept. of Geology; Etheridge, Robert,

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. Catalogue of the Blastoidea in the Geological Department of the British Museum (Natural History) : with an account of the morphology and systematic positionof the group, and a revision of the genera and species. British Museum (Natural History). Dept. of Geology; Blastoidea. oscliiema 5: TVoostocriYrus .. 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 British Museum (Natural History). Dept. of Geology; Etheridge, Robert, 1846-1920; Carpenter, P. Herbert (Philip Herbert), 1852-1891. London : Printed by order of the Trustees

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