. Bulletin of the British Museum (Natural History), Geology. b ,y.,-. - I K d Fig. 24 Asaphellus whittardi (Bates 1969). Upper Arenig, Fennian Stage, S. abyfrons Biozone. a, cranidium, internal mould, x 2, It. 18916, loc. 20E, Capel-Dewi; b, incomplete cephalon with seven attached thoracic segments, x 1-5, BGS TCC928, Cwmfelin Boeth Formation, Whitland Abbey. c-h, Cwmfelin Boeth Formation, loc. 36, Cwmfelin Boeth: c, cranidium, internal mould, x 1-25, ; d, free cheek, latex cast of external mould, x 2, ; e, incomplete pygidium, internal mould, x 1-5, ; f, incomplete cra


. Bulletin of the British Museum (Natural History), Geology. b ,y.,-. - I K d Fig. 24 Asaphellus whittardi (Bates 1969). Upper Arenig, Fennian Stage, S. abyfrons Biozone. a, cranidium, internal mould, x 2, It. 18916, loc. 20E, Capel-Dewi; b, incomplete cephalon with seven attached thoracic segments, x 1-5, BGS TCC928, Cwmfelin Boeth Formation, Whitland Abbey. c-h, Cwmfelin Boeth Formation, loc. 36, Cwmfelin Boeth: c, cranidium, internal mould, x 1-25, ; d, free cheek, latex cast of external mould, x 2, ; e, incomplete pygidium, internal mould, x 1-5, ; f, incomplete cranidium, internal mould, x 2, It. 18911; g, incomplete pygidial doublure, internal mould, x 1-5, It. 18914; h, incomplete pygidium, internal mould, x 2-5, 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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