. Bulletin of the British Museum (Natural History), Geology. . Fig. 17 Boubeithyris diploplicata sp. nov. Nineteen transverse serial sections through B82750, from the Upper Greensand of Beuzeville, near Le Havre, Normandy. becoming clearer towards the margins. The shell is inflated in the dorsal umbo but remains biconvex in lateral profile. HoLOTYPE. C. W. & E. V. Wright Collection, BB82175; from the Lower Cenomanian, 'Grizzle'; White Hart sand pit, Wilmington, south Devon. Length 45-3mm; width 38-9mm; thickness 18-9 Please note that these images are extracted from scanned page images
. Bulletin of the British Museum (Natural History), Geology. . Fig. 17 Boubeithyris diploplicata sp. nov. Nineteen transverse serial sections through B82750, from the Upper Greensand of Beuzeville, near Le Havre, Normandy. becoming clearer towards the margins. The shell is inflated in the dorsal umbo but remains biconvex in lateral profile. HoLOTYPE. C. W. & E. V. Wright Collection, BB82175; from the Lower Cenomanian, 'Grizzle'; White Hart sand pit, Wilmington, south Devon. Length 45-3mm; width 38-9mm; thickness 18-9 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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