. Bulletin of the British Museum (Natural History). CLASSIFICATION OF PLECTAMBONITACEA 89. Figs 13-17 Akelirui akelina Scvcrgina, 1%7, all from type locality in the Algan Formation (U. Treniadoc). River Akel, Kiisnet/. Alatai. Altai Mountains, USSR. Fig. 13, partly exfoliated interior of pedicle valve, the original of Scvergina 1967: pi. 5, tig. 8, VSEGFl 424/131'^. x 8; Fig. 14, partly exfoliated exterior of brachial valve, the original of Sevcrgina 1967: pi. 5, tig. 10, VSFCiFI 425/1323. x 6: Fig. 1.^, internal mould and latex cast of brachial valve, holotype, the original of Sevcr
. Bulletin of the British Museum (Natural History). CLASSIFICATION OF PLECTAMBONITACEA 89. Figs 13-17 Akelirui akelina Scvcrgina, 1%7, all from type locality in the Algan Formation (U. Treniadoc). River Akel, Kiisnet/. Alatai. Altai Mountains, USSR. Fig. 13, partly exfoliated interior of pedicle valve, the original of Scvergina 1967: pi. 5, tig. 8, VSEGFl 424/131'^. x 8; Fig. 14, partly exfoliated exterior of brachial valve, the original of Sevcrgina 1967: pi. 5, tig. 10, VSFCiFI 425/1323. x 6: Fig. 1.^, internal mould and latex cast of brachial valve, holotype, the original of Sevcrgina 1967: pi. 5, fig. 9, VSECiFl 427/1323, x 6: Fig. 16. latex cast and natural mouldof pedicle valve exterior, the original of Scvergina 1984: pi. 5. fig. 14, VSEGEI 1030/1323. x 6; Fig. 17, natural mould and latex cast of brachial valve interior, VSEGEI 1027/1323, 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 : BM(NH)
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