. Bulletin of the British Museum (Natural History). CLASSinCATION OF PLECTAMBONITACEA 121. Figs 85, 86 Xenambonites undosus Cooper, 1956, topotypes from Pratt Ferry Formation (Llandeilo), SE of Pratt Ferry, Blocton. Alabama. USA. Fig. 85, interior and exterior views of a silicificd pedicle valve, BC 10293. x 12; Fig. 86, interior of a silicificd brachial valve. BC 10292, X 9. Figs 87-89 Aet^iria (Acgiria) aqiiila aquila (Barrande, 1848). from Zahorany Formation (M. C'aradoc). Bohemia. Czechoslovakia. Fig. 87, natural internal mould of brachial valve from F'almovka. Praha-Libefi. BC 7
. Bulletin of the British Museum (Natural History). CLASSinCATION OF PLECTAMBONITACEA 121. Figs 85, 86 Xenambonites undosus Cooper, 1956, topotypes from Pratt Ferry Formation (Llandeilo), SE of Pratt Ferry, Blocton. Alabama. USA. Fig. 85, interior and exterior views of a silicificd pedicle valve, BC 10293. x 12; Fig. 86, interior of a silicificd brachial valve. BC 10292, X 9. Figs 87-89 Aet^iria (Acgiria) aqiiila aquila (Barrande, 1848). from Zahorany Formation (M. C'aradoc). Bohemia. Czechoslovakia. Fig. 87, natural internal mould of brachial valve from F'almovka. Praha-Libefi. BC 7212. x 4; Fig. 88. natural internal mould of pedicle valve from Beroun. BB 13658. x 5; Fig. 89. natural internal mould of brachial valve from Sporilov. Prague. BB 33341. x 5. Fig. 90 Acgiria (Aegiria) aquilii praecursor HavliCek. 1952, from Letna Formation (L. Caradoc). BIyskava Hill, near Chrustenicc, Czechoslovakia, natural internal mould of brachial valve, BC 6831, x 6. Fig. 91 Aegiria (Aegiria) garlhensis (Jones, 1928). topotvpe from I owcr I landovcrv beds, north of (larth. I\nv\s. Wales, natural internal mould of brachial valve. GSM .S()4I8, x 7. Figs 92, 93 Chonetoidea papulosa {Recti. 1905). from Slade and RcdIull Mudstone l ormation (M. Ashgill). L'pper Slade. near Haverfordwest. Dyfed. Wales. Fig. 92. natural internal moulds of conjoined valves. SMA 11313. x 4; Fig. ^)3. leciotype (selected CiKks 1970: 194). the original of Reed 1905: pi. 23. tig. 13. natural mould ol a valve. .SMA 1 131 1. 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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