. Bulletin of the British Museum (Natural History). CLASSIFICATION OF PLECTAMBONITACEA 125. f Fig. 95 Brachial valve interiors demonstrating all variants between 'Chonetoidea' and Sericoidea'. a, 'Sericoidea' minor Percivai, 1979, from MalonguUi Formation (U. Caradoc), Copper Mine Creek, New South Wales, Australia (after Percivai 1979: fig. ), x 5; b, 'Chonetoidea' tenerrima Havli'cek, 1952, from Kralflv Dvflr Shales (M. Ashgill), Vysebohy, Bohemia, Czechoslovakia (after Havh'cek 1967: pi. 5, fig. 3), x 7; c, 'Chonetoidea gamma Spjeldnaes, 1957, from Zone 4bY (Caradoc-Ashgill),
. Bulletin of the British Museum (Natural History). CLASSIFICATION OF PLECTAMBONITACEA 125. f Fig. 95 Brachial valve interiors demonstrating all variants between 'Chonetoidea' and Sericoidea'. a, 'Sericoidea' minor Percivai, 1979, from MalonguUi Formation (U. Caradoc), Copper Mine Creek, New South Wales, Australia (after Percivai 1979: fig. ), x 5; b, 'Chonetoidea' tenerrima Havli'cek, 1952, from Kralflv Dvflr Shales (M. Ashgill), Vysebohy, Bohemia, Czechoslovakia (after Havh'cek 1967: pi. 5, fig. 3), x 7; c, 'Chonetoidea gamma Spjeldnaes, 1957, from Zone 4bY (Caradoc-Ashgill), Blakstad, Oslo, Norway (after Spjeldnaes 1957: pi. 2, fig. 12), x 4-5; d, Chonetoidea papillosa (Reed, 1905), from Slade and Redhill Mudstone Formation, Haverfordwest, Wales (after Cocks 1970: pi. 17, fig. 1), X 10; e, 'Chonetoidea' virginica Cooper, 1956, from Edinburg Formation (L. Caradoc), Riverton, Virginia, USA (after Cooper 1956: pi. 215, fig. 33), X 5; f, g, 'Chonetoidea' radiatula (Barrande, 1879), from Killey Bridge Formation (M. Ashgill), Pomeroy, Northern Ireland (after Mitchell 1977: pi. 18, figs 33, 30), x 7 and x 8. Sericoidea sejuncta Percivai, 1979: 113, figs 5A, 1-8 from Goonumbla Volcanics (U. Caradoc), Gunningbland, New South Wales, Australia. Chonetoidea stoermeri Spjeldnaes, 1957: 108, fig. 24a from Zone 4aa (Llandeilo), Dalbo, Asker, Norway. Chonetoidea virginica Cooper, 1956: 804; pi. 215, figs 30-33, from Edinburg Formation (L. Caradoc), Riverton, Virginia, USA. Species questionably assigned Leptaena aequistriata Hadding, 1913: 62; pi. 5, figs 27, 28 from Ogygiocaris shales (Llanvirn-Llandeilo), Anderson, Scania, Sweden (no interiors illustrated). Sericoidea hubeiensis Chang, 1983: 480; pi. 1, fig. 26 from U. Miaopo Formation (U. Llandeilo-L. Caradoc), Huang- huachang, Yichang County, Hubci, China. Chonetoidea mohawkensis Howell, 1949: 7; pi. 2, figs 1-3 from Schenectady Formation (U. Caradoc), Rexford, New York, USA (no interiors illustrated). Leptaena
Size: 1913px × 1306px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorbritishmuseumnaturalhistory, bookcentury1900, bookcoll
