. Bulletin of the British Museum (Natural History), Geology. . 4b Figs 3, 4 Anagaudryceras involvulum (Stoliczka). Odukpani Formation (Middle Cenomanian), 30-3km from Calabar. Figs 3a,b, , xl. Figs 4a,b, , 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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