. Bulletin of the British Museum (Natural History), Geology. ARENIG IN SOUTH WALES a 201. v \ 1. * f % h Fig. 70 Ectillaenus perovalis (Murchison 1839). Llanfallteg Formation, lower Llanvirn, D. artus Biozone (c-f) or upper Arenig, Fennian Stage, D. levigena Biozone (a, b, g-i). a, cephalon with three thoracic segments, loc. 52N, Llanfallteg, x 5, It. 18936; b, pygidium showing doublure, loc. 521, Llanfallteg, x 2-5, It. 18937; c, axial shield, latex cast from external mould, loc. 50, Cefn-maen-llwyd, x 2, It. 18938; d, small axial shield, Cefn-farchen, x 4-5, BGS Pg96; e, complete specimen wi
. Bulletin of the British Museum (Natural History), Geology. ARENIG IN SOUTH WALES a 201. v \ 1. * f % h Fig. 70 Ectillaenus perovalis (Murchison 1839). Llanfallteg Formation, lower Llanvirn, D. artus Biozone (c-f) or upper Arenig, Fennian Stage, D. levigena Biozone (a, b, g-i). a, cephalon with three thoracic segments, loc. 52N, Llanfallteg, x 5, It. 18936; b, pygidium showing doublure, loc. 521, Llanfallteg, x 2-5, It. 18937; c, axial shield, latex cast from external mould, loc. 50, Cefn-maen-llwyd, x 2, It. 18938; d, small axial shield, Cefn-farchen, x 4-5, BGS Pg96; e, complete specimen with cephalon damaged, to show rostral plate, Rhyd-y-wrach, x 1-5, NMW ; f, pygidium showing form of axis and doublure, loc. 50, Cefn-maen-llwyd, x 4, It. 18939; g, large pygidium with part of thorax, showing sculpture, loc. 521, Llanfallteg, x 1-5, ; h, laterally compressed axial shield, latex cast from external mould, loc. 52P, Llanfallteg, x 15, It. 18941; i, complete specimen, preserving original proportions and relief, loc. 52W, Llanfallteg, x 2, It. 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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