. Bulletin of the British Museum (Natural History), Geology. "â XI '. Fig. 49 Microparia (Microparia) teretis sp. nov. Llanfallteg Formation, a, holotype, axial shield, early Llanvirn, D. artus Biozone, loc. 50, x 3, BGS Prl991; b, c, pygidium with one thoracic segment, internal mould and latex cast from counterpart external mould to show sculpture, loc. 50, x 6, ; d, cranidium and thorax, slightly distorted, loc. 55, x 6, SM A44523; e, small pygidium, loc. 52E, latest Arenig, D. levigena Biozone, x 6, Please note that these images are extracted from scanned page images


. Bulletin of the British Museum (Natural History), Geology. "â XI '. Fig. 49 Microparia (Microparia) teretis sp. nov. Llanfallteg Formation, a, holotype, axial shield, early Llanvirn, D. artus Biozone, loc. 50, x 3, BGS Prl991; b, c, pygidium with one thoracic segment, internal mould and latex cast from counterpart external mould to show sculpture, loc. 50, x 6, ; d, cranidium and thorax, slightly distorted, loc. 55, x 6, SM A44523; e, small pygidium, loc. 52E, latest Arenig, D. levigena Biozone, x 6, 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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