. Bulletin of the British Museum (Natural History). 125 126 1 ^5 "7. 134 135 136 Figs 125, 126 Anisopleurella tricostellata Cooper, 1956, from Pratt Ferry Formation (Llandeilo), SE of Pratt Ferry, Blocton, Alabama, USA. Fig. 125, exterior view of silicified pedicle valve, BB 32855, x 7; Fig. 126, interior of silicified brachial valve, BB 32856, x 7. Figs. 127 Anisopleurella sp., internal mould of brachial valve from the L. Miaopo Formation (Llandeilo), Huanghuachang, Yichang County, Hubei Province, China, BC 3305, x 6. Fig. 128, 129 Eoplectodonta duplicata (J. de C. Sowerby, 183
. Bulletin of the British Museum (Natural History). 125 126 1 ^5 "7. 134 135 136 Figs 125, 126 Anisopleurella tricostellata Cooper, 1956, from Pratt Ferry Formation (Llandeilo), SE of Pratt Ferry, Blocton, Alabama, USA. Fig. 125, exterior view of silicified pedicle valve, BB 32855, x 7; Fig. 126, interior of silicified brachial valve, BB 32856, x 7. Figs. 127 Anisopleurella sp., internal mould of brachial valve from the L. Miaopo Formation (Llandeilo), Huanghuachang, Yichang County, Hubei Province, China, BC 3305, x 6. Fig. 128, 129 Eoplectodonta duplicata (J. de C. Sowerby, 1839), from U. Haverford Mudstone Formation (L. Llandovery), lane opposite Gasworks, Haverfordwest, Dyfed, Wales; Fig. 128, internal mould of brachial valve, BB 31670, x 3; Fig. 129, latex cast of internal mould of brachial valve, BB 31693. x 3. Fig. 130 Eoplectodonta duvalii (Davidson, 1847), a brachial valve from Slite Marl (Wenlock), 1-6 km south of church at Vastergam, Gotland, Sweden, the original of Cocks 1970: pi. 12, figs 14, 15, BB 31837; a, viewed posteriorly, x 4; b, c, viewed downwards and laterally, x 3. Figs 131-136 Eoplectodonta transversalis (Wahlenberg, 1818), from L. Visby Marl (U. Llandovery). Figs 131-3 and 136 from beach 1 km west of Lundbjars, Figs 134-5 from beach north of Nyhamn, all north of Visby, Gotland, Sweden. Fig. 131, brachial view of conjoined valves, BB 34810, X 3; Fig. 132, slightly inclined view of pedicle valve interior, the original of Cocks 1970: pi. 12, fig. 12, BB 32423, x 3; Figs 133-6, all interiors of brachial valves, showing variations in the bema and even an incipient platform in Fig. 136; Fig. 133, BB 34826; Fig. 134, BB 34846; Fig. 135, BB 34847; Fig. 136, BB 34827; all x 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
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