. Bulletin of the British Museum (Natural History). 64 M. G. LOCKLEY & A. WILLIAMS. Figs 216-226 Macrocoelia llandeilocnsis (Davidson). Fig. 216, BB 92421, latex cast of the internal mould of a brachial valve x2; Fig. 217, BB 69520, internal mould of a medially split pedicle valve x 1; both from Llanvirn shales. Coed Duon. Llangadog. Fig. 218, B 13618, internal mould of a pedicle valve x2, from the Ffairfach Group, type section. Fig. 219, BB 92445, internal mould of a brachial valve x 15, from the Ashes and Lavas, Ffairfach Group type section. Fig. 220, BB 92433, internal mould of a pedicl
. Bulletin of the British Museum (Natural History). 64 M. G. LOCKLEY & A. WILLIAMS. Figs 216-226 Macrocoelia llandeilocnsis (Davidson). Fig. 216, BB 92421, latex cast of the internal mould of a brachial valve x2; Fig. 217, BB 69520, internal mould of a medially split pedicle valve x 1; both from Llanvirn shales. Coed Duon. Llangadog. Fig. 218, B 13618, internal mould of a pedicle valve x2, from the Ffairfach Group, type section. Fig. 219, BB 92445, internal mould of a brachial valve x 15, from the Ashes and Lavas, Ffairfach Group type section. Fig. 220, BB 92433, internal mould of a pedicle valve x 2; Fig. 221, BB 92444, internal part of an exfoliated pedicle valve x 3; Figs 222-223, BB 92442 and 92443 respectively, internal moulds of pedicle valves, both x2; Figs 224-225, BB 92432 and 92431 respectively, internal moulds of brachial valves, both x 3; all from the Flags and Grits, Ffairfach Group, type section. Fig. 226, NMW , internal mould of a pedicle valve x 2, from Llanvirn shales at Tanlan. Builth. Figs 227-230 Macrocoelia llandeiloensis elongata subsp. nov. Fig. 227, holotype BB 92409, mternal mould of a pedicle valve x 2; Fig. 228, BB 92410, internal mould of a pedicle valve x 2; Fig. 229, BB924I1, internal mould of a pedicle valve x 3; Fig. 230, BB 92418, mternal mould of a brachial valve x 4; all from Llanvirn sandstones, Howey Brook, 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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