. Bulletin of the British Museum (Natural History), Geology. . Fig. 25. Oligosphaeridium pulcherrimum (Deflandre & Cookson). suggested tabulation: left, in ventral view; right, in dorsal view. (1). X Specimen showing the BM(NH) slide 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). London : BM(NH)

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