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The succession of small shelly fossils (especially conoidal microfossils) from English Precambrian–Cambrian boundary beds

  • Martin D. Brasier (a1)

Small shelly fossils, especially conoidal microfossils, have potential for biostratigraphic correlation of Precambrian–Cambrian boundary rocks where evolutionary successions of taxa can be recognized. A succession of hyoliths, brachiopods and species of Sunnaginia, Torellella, Eccentrotheca and Rhombocorniculum can be recognized in the Home Farm Member of Nuneaton and/or the Comley Limestone of Shropshire, England. Revised ranges of taxa are given and Sunnaginia neoimbricata n.sp., S. parva n.sp., S. angulata n.sp., Eccentrotheca grandis n.sp. and several new records are described from Nuneaton and Comley. The similarity in the sequence of small shelly fossils in England and Siberia indicates that a correlation can be achieved between the two areas. It is suggested that the lower Tommotian to lower Atdabanian correlates with the Hartshill Formation of Nuneaton, of which the condensed Home Farm Member spans the mid Tommotian to lowest Atdabanian, while the upper Atdabanian to lower Botomian correlates with the condensed Comley Limestone of Shropshire.

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Azmi, R. J. 1983. Microfauna and age of the Lower Tal Phosphorite of Mussoorie Syncline, Garwhal Lesser Himalaya, India. Himalayan Geology 11, 373409.
Azmi, R. J. & Pancholi, V. P. 1983. Early Cambrian (Tommotian) conodonts and other shelly microfauna from the Upper Krol of Mussoorie Syncline, Garwhal Lesser Himalaya with remarks on the Precambrian-Cambrian boundary. Himalayan Geology 11, 360–72.
Bengtson, S. 1970. The Lower Cambrian fossil Tommotia. Lethaia 3, 363–92.
Bengtson, S. & Fletcher, T. P. 1983. The oldest sequence of skeletal fossils in the Lower Cambrian of southeastern Newfoundland. Canadian Journal of Earth Sciences 20, 525–36.
Bergström, J. 1981. Lower Cambrian shelly faunas and biostratigraphy in Scandinavia. Open File Report of the US Geological Survey 81–743, 22–5.
Billings, E. 1864. Palaeozoic Fossils, volume 1. I. On some new or little known species of Lower Silurian Fossils from the Potsdam Group (Primordial Zone), pp. 118. Montreal: Geological Survey of Canada (date on title page, 1861).
Brasier, M. D. 1979. The Cambrian radiation event. In The Origin of Major Invertebrate Groups (ed. House, M. R.), pp. 103–59. London: Academic Press.
Brasier, M. D. 1984. Microfossils and small shelly fossils from the Lower Cambrian Hyolithes Limestone at Nuneaton, English Midlands. Geological Magazine 121, 229–53.
Brasier, M. D. 1985. Evolutionary and geological events across the Precambrian–Cambrian boundary. Geology Today 1, 141–6.
Brasier, M. D. & Hewitt, R. A. 1979. Environmental setting of fossiliferous rocks from the uppermost Proterozoic–Lower Cambrian of central England. Palaeogeography, Palaeoclimatology, Palaeoecology 27, 3557.
Brasier, M. D. & Hewitt, R. A. 1981. Faunal sequence within the Lower Cambrian ‘Non-Trilobite Zone’ (S. L.) of central England and correlated regions. Open File Report of the U.S. Geological Survey 81–743, 26–8.
Brasier, M. D., Hewitt, R. A. & Brasier, C. J. 1978. On the Late Precambrian–Early Cambrian Hartshill Formation of Warwickshire. Geological Magazine 115, 2136.
Cobbold, E. S. 1919. Cambrian Hyolithidae etc., from Hartshill in the Nuneaton district, Warwickshire. Geological Magazine 56, 149–58.
Cobbold, E. S. 1921. The Cambrian horizons of Comley (Shropshire) and their Brachiopoda, Pteropoda and Gasteropoda etc. Quarterly Journal of the Geological Society of London 76, 325–86.
Cobbold, E. S. 1931. Additional fossils from the Cambrian rocks of Comley, Shropshire. Quarterly Journal of the Geological Society of London 87, 459512.
Cobbold, E. S. & Pocock, R. W. 1934. The Cambrian area of Rushton (Shropshire). Philosophical Transactions of the Royal Society of London, Series B 223, 305409.
Cowie, J. W. 1978. I.U.G.S./I.G.C.P. Project 29 Precambrian–Cambrian Boundary Working Group in Cambridge, 1978. Geological Magazine 115, 151–2.
Cowie, J. W., Rushton, A. W. A. & Stubblefield, C. J. 1972. A correlation of Cambrian rocks in the British Isles. Special Report of the Geological Society of London 2, 42 pp.
Eichwald, E. 1860. Lethaea Rossica ou Paleontologie de la Russie. Stuttgart: E. Schweizerbart, 1657 pp.
Føyn, S. & Glaessner, M. F. 1979. Platysolenites, other animal fossils, and the Precambrian–Cambrian transition in Norway. Norsk Geologisk Tidsskrift 59, 2546.
Grigorieva, N. V. 1982. Incertae Sedis. In The Precambrian/Cambrian boundary in the Geosynclinal areas (the reference section of Salany-Gol, MPR) (ed. Voronin, I. Yu.), pp. 4165. Transactions of the Joint Soviet-Mongolian palaeontological expedition 18. Moscow: Nauka Izdatelstvo. (In Russian.)
Holl, H. B. 1865. On the geological structure of the Malvern hills and adjacent districts. Quarterly Journal of the Geological Society of London 58, 89149.
Holm, G. 1893. Sveriges Kambrisk–Siluriska Hyolithidae och Conulariidae. Sveriges Geologiska Undersökning (Afhandlingar), Series C 112, 172 pp.
Kirschvtnk, J. L. & Rozanov, A. Yu. 1984. Magnetostratigraphy of Lower Cambrian strata from the Siberian Platform: a palaeomagnetic pole and a preliminary polarity time-scale. Geological Magazine 121, 189203.
Landing, E. 1984. Skeleton of lapworthellids and the suprageneric classification of tommotiids (early and middle Cambrian phosphatic problematica). Journal of Palaeontology 58, 1380–98.
Landing, E. & Brett, C. E. 1982. Lower Cambrian of eastern Massachusetts: microfaunal sequence and the oldest known borings. Geological Society of America, Abstracts with progams 14, 35.
Landing, E, Nowlan, G. S. & Fletcher, T. P. 1980. A microfauna associated with early Cambrian trilobites of the Callavia Zone, northern Antigonish highlands, Nova Scotia. Canadian Journal of Earth Sciences 17, 400–18.
Lendzion, K. 1972. Kambr subholmiowy w pótnocnowschodniej Polsce. Kwartalnik Geologiczny 16, 557–68.
Lindström, M. 1977. White sand crosses in turbated siltstone bed, basal Cambrian, Kinnekulle, Sweden. Geologica et Palaeontologica 11, 15.
Linnarsson, J. G. O. 1871. Geognostika och palaeontologiska iakttagelser öfver Eophytonsandstenen i Vestergotland. Handlingar kongliga Svenska Vetenskaps Akadamiens 9, 19 pp.
Huilin, Luo Zhiwen, Jiang, Xiche, Wu, Xueliang, Song, & Lin, Ouyang. 1982. The Sinian–Cambrian Boundary in Eastern China. People's Publishing House, Beijing, China, 265 pp. (In Chinese.)
Huilin, Luo Zhiwen, Jiang, Xiche, Wu, Xueliang, Song, Lin, Ouyang Yusheng, Xing, Guizhi, Liu, Shishan, Zhang & Yonghe, Tao. 1984. Sinian-Cambrian boundary stratotype section at Meishucun, Jinning, Yunnan, China. People's Publishing House, Yunnan, China, 154 pp.
Mambetov, A. M. 1977. On revision of the genus Helenia. Paleontological Journal 10, 9095.
Martinsson, A. 1974. The Cambrian of Norden. In Cambrian of the British Isles, Norden and Spitsbergen (ed. Holland, C. H.), pp. 185283. London: Wiley.
Matthew, G. F. 1899. The Etcheminian fauna of Smith Sound, Newfoundland. Proceedings and Transactions of the Royal Society of Canada 5, 97119.
Matthews, S. C. 1973. Lapworthellids from the Lower Cambrian Strenuella Limestone at Comley, Shropshire. Palaeontology 16, 139–48.
Matthews, S. C. & Missarzhevsky, V. V. 1975. Small shelly fossils of late Precambrian and early Cambrian age: a review of recent work. Journal of the Geological Society of London 131, 289304.
Missarzhevsky, V. V. 1966. In (Biostratigraphy and faunas of the lower horizons of the Cambrian) (ed. Yu Rozanov, A. and Missarzhevsky, V. V.), pp. 5119. Trudy Geologicheskogo Instituta Akademii Nauka SSR, Moscow 148, (In Russian.)
Missarzhevsky, V. V. 1969. (Description of hyolithids, gastropods, hyolithelminths, camenides and forms of an obscure taxonomic position.) In The Tommotian Stage and the Cambrian Lower Boundary Problem (ed. Yu. Rozanov, A. and others). Trudy Geologecheskii Institut, Nauka, Moscow 206. (In Russian; English translation, US Department of the Interior, 1981.)
Missarzhevsky, V. V. 1982. (Subdivision and correlation of the Precambrian–Cambrian boundary beds using some groups of the oldest skeletal organisms.) Byulleten' Moskovskogo Obschestva Ispytatelej Prirody, Otd. Geol., 57, 5, 5267. (In Russian.)
Missarzhevsky, V. V. & Mambetov, A. J. 1981. (Stratigraphy and fauna of Cambrian and Precambrian boundary beds of Maly Karatau.) Trudy Akademii Nauka SSSR, Moscow 326. (In Russian.)
Odin, G. S., Gale, N. H., Auvray, B, Bielski, M., Doré, F., Lancelot, J.-R. & Pasteels, P. 1983. Numerical dating of Precambrian–Cambrian boundary. Nature 301, 21–3.
Pander, C. H. 1851. Sur une découverte de fossiles faite dans la partie inferieur du terrain silurien de Russie. Bulletin de la Société Géologique de France 8, 251–9.
Pelman, Yu. L. 1977. Lower and Middle Cambrian inarticulate brachiopods, Siberian Platform. Novosibirsk: Akademii Nauka.
Poulsen, C. 1967. Fossils from the Lower Cambrian of Bornholm. Det Kongelige Danske Videnskabernes Selskab, Matematisk-fysiske Meddelelser 36 (2), 48 pp.
Robison, R. A., Rosova, A. V., Rowell, A. J. & Fletcher, T. P. 1977. Cambrian boundaries and divisions. Lethaia 10, 257–62.
Rozanov, A. Yu. 1983. Platysolenites. In Upper Precambrian and Cambrian Palaeontology of the East-European Platform (ed. Urbanek, A. and Yu. Rozanov, A..) Publishing House Wydawnictwa Geologiczne Warszawa.
Rozanov, A. Yu., Missarzhevsky, V. V., Voronova, L. G., Volkova, N. A., Krylov, I. N., Keller, B. M., Lendzion, K., Michyak, R., Korylyuk, J. K., Pychova, N. G. & Sidorov, A. D. 1969. The Tommotian Stage and the Cambrian Lower Boundary Problem. Trudy Geologecheskii Institut, Nauka, Moscow, 206. (In Russian; English translation, US Department of the Interior, 1981.)
Rozanov, A. Yu. & Sokolov, B. S. 1984. Lower Cambrian Stage Subdivision. Stratigraphy. Akademii Nauk SSSR: Iztdatelstvo ‘Nauka’, Moscow. (In Russian.)
Rushton, A. W. A. 1978. Appendix 3. Description of the macrofossils from the Dolwen Formation. Bulletin of the Geological Survey of Great Britain 61, 46–8.
Shergold, J. H. & Brasier, M. D. 1986. Biochronology of Proterozoic and Cambrian Phosphorites. In Proterozoic and Cambrian Phosphorites (ed. Cook, P. J. and Shergold, J. H.). Cambridge: Cambridge University Press.
Smith, J. D. D. & White, D. E. 1963. Cambrian trilobites from the Purley Shales. Palaeontology 6, 397407.
Sokolov, B. S. & Zhuravleva, I. T. 1983. Lower Cambrian stage subdivision of Siberia Atlas of fossils. Transactions of the Institute of Geology and Geophysics 558. Akademii Nauk SSSR: Izdatelstvo ‘Nauka’, Moscow. (In Russian.)
Syssoiev, V. A. 1962. (Stratigraphy and Hyoliths of basal beds of the Lower Cambrian of the Siberian Platform). Akademii Nauk SSSR, Yakutsk. (In Russian.)
Vidal, G. 1981. Lower Cambrian acritarch stratigraphy in Scandinavia. Geologiska Foreningens i Stockholm Fordhandlingar 103, 183–92.
Voronin, Yu. L, Voronova, L. G., Grigorieva, N. V., Drosdova, N. A., Shegallo, E. A., Zhuravlev, A. Yu. Ragozina, A. L., Rozanov, A. Yu., Sayutina, T. A., Sisoev, V. A., Fonin, V. D. 1982. The Precambrian/Cambrian boundary in the Geosynclinal areas (the reference section of Salany-Gol, MPR). Transactions of the Joint Soviet-Mongolian palaeontological expedition 18. Moscow: Nauka Izdatelstvo (In Russian.)
Walcott, C. D. 1890. The fauna of the Lower Cambrian or Olenellus Zone. 10th Report of the US Geological Survey 515774
Walliser, H. Von O. 1958. Rhombocorniculum comleyense n.gen. n.sp. (Incertae sedies, Unterkambrium, Shropshire). Paläontologische Zeitschrift 32, 176–80.
Yusheng, Xing Qixiu, Ding, Huilin, Luo Tinggui, He & Yangeng, Wang, 1984. The Sinian–Cambrian boundary of China and its related problems. Geological Magazine 121, 155–70.
Zhuravleva, I. T. 1975. (Description of the palaeontological characteristics of the Nemakit-Daldyn Horizon and its possible equivalents in the territory of the Siberian Platform.) In Equivalents of the Vendian Complex in Siberia (ed. Sokolov, B. S. and Khomentovsky, V. V.), pp. 62100. Trudy Instituta Geologii i Geofisiki, Akademii Nauk, SSSR, Moscow 232. (In Russian.)
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