. Bulletin of the British Museum (Natural History), Geology. b ¥ \. Fig. 65 a-d, Barrandia homfrayi Hicks 1875. Llanfallteg Formation, a, axial shield of large degree 6 meraspis moult arrangement showing pygidial segmentation, early Llanvirn, D. artus Biozone, loc. 50, x 6, It. 19674; b, cast from external mould of pygidium to show details of fine surface sculpture, loc. 50, x 6, It. 19676; c, fused free cheeks and hypostoma from ventral side, loc. 50, x 6, It. 19675; d, small pygidium showing two axial rings, internal mould, loc. 50, x 6, It. 19677. e, Barrandia sp. indet., pygidium, upper Ar
. Bulletin of the British Museum (Natural History), Geology. b ¥ \. Fig. 65 a-d, Barrandia homfrayi Hicks 1875. Llanfallteg Formation, a, axial shield of large degree 6 meraspis moult arrangement showing pygidial segmentation, early Llanvirn, D. artus Biozone, loc. 50, x 6, It. 19674; b, cast from external mould of pygidium to show details of fine surface sculpture, loc. 50, x 6, It. 19676; c, fused free cheeks and hypostoma from ventral side, loc. 50, x 6, It. 19675; d, small pygidium showing two axial rings, internal mould, loc. 50, x 6, It. 19677. e, Barrandia sp. indet., pygidium, upper Arenig, Pontyfenni Formation, B. rushtoni Biozone, Banc-y-felin, compare sculp- ture with Fig. 65b, x 4, GSM 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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