Re-evaluation of the conodont Iapetognathus and implications for the base of the Ordovician System GSSP

Lethaia

Volumn 45, Issue 2, 2012, Pages 227-237

  Terfelt, Fredrik ^a   Bagnoli, Gabriella ^b   Stouge, Svend ^c  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^b UNIVERSITY OF PISA   (Italy)

^c UNIVERSITY OF COPENHAGEN   (Denmark)

Author keywords

[No Author keywords available]

Indexed keywords

BIOSTRATIGRAPHY; CAMBRIAN; CONODONT; GRAPTOLITE; ORDOVICIAN; STRATOTYPE; SUCCESSION;

CANADA; NEWFOUNDLAND; NEWFOUNDLAND AND LABRADOR;

AGNOSTOIDEA; CORDYLODUS; EOCONODONTUS NOTCHPEAKENSIS;

EID: 84858217135     PISSN: 00241164     EISSN: 15023931     Source Type: Journal    
DOI: 10.1111/j.1502-3931.2011.00275.x     Document Type: Article

References (73)

1. Abaimova, G.P. 1971: New Early Ordovician conodonts from the southeastern part of the Siberian Platform. Paleontological Journal 5, 486-492.
2. Abdulin, A.A., Apollonov, M.K. & Ergaliev, G.K. (eds) 1990: Guide book. The Third International Symposium on the Cambrian System. Excursion 2. 10-16 August 1990, Kazakh SSR. Malyi Karatau. 62 pp.
3. Albanesi, G.L. & Ortega, G. 2002: Advances on conodont-graptolite biostratigraphy of the Ordovician System of Argentina. In Aceñolaza F.G. (ed.): Aspects of the Ordovician System in Argentina. Serie Correlación Geológica 16, INSUEGO, Tucumán, 143-165.
4. Albanesi, G.L. & Pacheco, F.E. 2010: Conodont Biostratigraphy and Paleoenvironments of the Cardonal Formation (Cambrian-Ordovician) from the Cajas Range, Cordillera Oriental, Northwestern Argentina and Paleobiogeographic Interpretation. Ancient Life on Many Scales: Papers on Palynology, Paleontology, and Paleoecology in Honor of Prof. Leonard V. Hills, GeoCanada, Calgary, Alberta. May 10-14, 2010.
5. An, T.X. 1982: Study on the Cambrian conodonts from North and Northeast China. University of Tsukuba Science Reports of the Institute of Geoscience, Section B3, 113-159.
6. Andres, A. 1981: Beziehungen zwischen Kambrischen Conodonten und Euconodonten. Berliner geowissenschaftliche Abhandlungen A 32, 19-31.
7. Apollonov, M.K., Chugaeva, M.N., Dubinina, S.V. & Zhemchuzhnikov, V.G. 1988: Batyrbay Section, South Kazakhstan, USSR - potential stratotype for the Cambrian-Ordovician boundary. Geological Magazine 125, 445-449.
8. Babcock, L.E., Peng, S.C., Geyer, G. & Shergold, J.H. 2005: Changing perspectives on Cambrian chronostratigraphy and progress toward subdivision of the Cambrian System. Geosciences Journal 9, 101-106.
9. Bagnoli, G., Barnes, C.R. & Stevens, R.K. 1987: Tremadocian conodonts from Broom Point and Green Point, western Newfoundland. Bollettino della Societa Paleontologica Italiana 25, 145-158.
10. Bagnoli, G., Albani, R., Ribecai, C. & Qi, Y. 2009: Furongian (Cambrian) fossil associations from Dayangcha (China): a warming up for the Great Ordovician Radiation. In Harper, D.A.T., McCorry, M. (eds): Absolutely Final Meeting of IGCP 503: Ordovician Palaeogeography and Palaeoclimate-Copenhagen 2009, August 31-September 4, 22.
11. Barnes, C. 1988: The proposed Cambrian-Ordovician global Boundary stratotype and point (GSSP) in Western Newfoundland, Canada. Geological Magazine 125, 381-414.
12. Billings, E. 1860: On some new species of fossils from the limestone near Point Levi, opposite Quebec. Canadian Naturalist and Geologist 5, 301-324.
13. Bruton, D.L., Koch, L. & Repetski, J.E. 1988: The Nærnes section, Oslo Region, Norway: tribobite, graptolite and conodont fossils reviewed. Geological Magazine 125, 451-453.
14. Chen, J.Y. & Gong, W.L. 1986: Conodonts. In Chen J.Y. (ed.): Aspects of Cambrian- Ordovician Boundary in Dayangcha, China, 93-223. China Prospect Publishing House, Beijing.
15. Cooper, R.A. 1999: Ecostratigraphy, zonation and global correlation of earliest Ordovician planktonic graptolites. Lethaia 32, 1-16.
16. Cooper, R.A. & Nowlan, G.S. 1999: Proposed Global Stratotype Section and Point for the base of the Ordovician System. Ordovician News 16, COBWG Report March 1999, 21 pp.
17. Cooper, R.A., Maletz, J., Wang, H. & Erdtmann, B.D. 1998: Taxonomy and evolution of earliest Ordovician graptoloids. Norsk Geologisk Tidsskrift 78, 3-32.
18. Cooper, R.A., Nowlan, G.S. & Williams, S.H. 2001: Global Stratotype Section and Point for base of the Ordovician System. Episodes 24, 19-28.
19. Dong, X.P., Repetski, J.E. & Bergström, S.M. 2004: Conodont biostratigraphy of the Middle Cambrian through lowermost Ordovician in Hunan, South China. Acta Geologica Sinica 78, 1185-1206.
20. Druce, E.C. & Jones, P.J. 1971: Cambro-Ordovician conodonts from the Burke River Structural Belt, Queensland. Bureau of Mineral Resources, Geological Geophysical Bulletin 110, 1-159.
21. Dubinina, S.V. 2000: Conodonts and zonal stratigraphy of the Cambrian-Ordovician boundary deposits. Transactions of GIN RAS 517, 1-239 (in Russian).
22. Erdtmann, B.D. 1988: The earliest Ordovician nematophorid graptolites: taxonomy and correlation. Geological Magazine 125, 327-348.
23. Ergaliev, G.K. 1980: Middle and Upper Cambrian Trilobites of the Lesser Karatau, 1-211. Academy of Sciences, Kazakhstan SSR, Kazakhstan SSR Publishing House, Alma-Ata. (in Russian).
24. Ergaliev, G.K. & Ergaliev, F.G. 2008: Middle and Upper Cambrian Agnostida of the Aksai National Geological Reserve South Kazakhstan (Kyrshabakty River, Malyi Karatau Range), 1-376. Gylum, Almaty. (in Russian with English abstract, introduction and figure captions).
25. Fortey, R.F., Landing, E. & Skevington, D. 1982: Cambrian-Ordovician boundary sections in the Cow Head Group, western Newfoundland. In Bassett M.G., Dean W.T. (eds): 1982: The Cambrian-Ordovician Boundary Sections, Fossil Distributions, and Correlations. National Museum of Wales, Geological Series 3, 95-129.
26. International Commission of Zoological Nomenclature 1999: International Code of Zoological Nomenclature, Fourth Edition, Adopted by the International Union of Biological Sciences. International Trust for Zoological Nomenclature, The Natural History Museum, London.
27. James, N.P. & Stevens, R.K. 1986: Stratigraphy and correlation of the Cambro-Ordovician Cow Head Group, western Newfoundland. Geological Survey of Canada Bulletin 366, 1-143.
28. Kaljo, D., Borovko, N., Heinsalu, H., Khazanovich, K., Mens, K., Popov, L., Sergeyeva, S., Sobolevskaya, R. & Viira, V. 1986: The Cambrian-Ordovician boundary in the Baltic-Ladoga clint area (North Estonia and Leningrad Region, USSR). Eesti NSV Teaduste Akadeemia Toimetised. Geologia 35, 97-108.
29. Kaljo, D., Heinsalu, H., Mens, K., Puura, I. & Viira, V. 1988: Cambrian-Ordovician boundary beds at Tônismägi, Tallinn, North Estonia. In Bassett M.G., Dean W.T. (eds) 1982: The Cambrian-Ordovician Boundary: Sections, Fossil Distributions, and Correlations. National Museum of Wales, Geological Series 3, 457-463.
30. Landing, E. 1981: Conodont biostratigraphy and thermal color alteration indices of the upper St. Charles and lower Garden City formations, Bear River Range, northern Utah and southeastern Idaho. US Geological Survey, Open-File Report 81-740, 1-22.
31. Landing, E. 1993: Cambrian-Ordovician boundary in the Taconic Allochthon, eastern New York, and its interregional correlation. Journal of Paleontology 67, 1-19.
32. Landing, E., Ludvigsen, R. & von Bitter, P.H. 1980: Upper Cambrian to Lower Ordovician conodont biostratigraphy and biofacies, Rabbitkettle Formation, District of Mackenzie. Life Sciences Contributions Royal Ontario Museum 126, 1-42.
33. Landing, E., Westrop, S.R. & Knox, L.A. 1996: Conodonts, stratigraphy and relative sea-level changes of the Tribes Hill Formation (Lower Ordovician, east-central New York). Journal of Paleontology 70, 656-680.
34. Landing, E., Franzi, D.A., Hagadorn, J.W., Westrop, S.R., Kröger, B. & Dawson, J. 2007: Cambrian of east Laurentia: field workshop in eastern New York and western Vermont. In Landing E. (ed.): Ediacaran-Ordovician of east Laurentia - S.W. Ford memorial volume. New York State Museum Bulletin 510, 1-93.
35. Landing, E., Westrop, S.R. & Miller, J.F. 2010: Globally practical base for the uppermost Cambrian (Stage 10) - FAD of the conodont Eoconodontus notchpeakensis and the Housian Stage. In Fatka O., Budil P. (eds): The 15th Field Conference of the Cambrian Stage Subdivision Working Group, International Subcommission on Cambrian Stratigraphy. Prague, Czech Republic and south-eastern Germany, 4-11 June 2010. Abstract and Excursion Guide.
36. Lindström, M. 1955: Conodonts from the lowermost Ordovician strata of south-central Sweden. Geologiska Föreningens i Stockholms Förhandlingar 76, 517-604.
37. Löfgren, A. 1996: Lower Ordovician conodonts, reworking, and biostratigrapy of the Orreholmen quarry, Västergötland, south-central Sweden. GFF 118, 169-183.
38. Lu, Y.H. & Lin, H.L. 1984: Late late Cambrian and earliest Ordovician trilobites of Jiangshan-Changshan area, Zhejiang. In Nanjing Institute of Geology and Palaeontology, Academia Sinica (ed.): Stratigraphy and Palaeontology of Systematic Boundaries in China, Cambrian-Ordovician Boundary, 45-143. Anhui Science and Technology Publishing House, Hefei.
39. Lu, Y.H. & Lin, H.L. 1989: The Cambrian trilobites of western Zhejiang. Palaeontologia Sinica 178, New Series 25, 1-287.
40. Ludvigsen, R., Westrop, S.R. & Kindle, C.H. 1989: Sunwaptan (Upper Cambrian) trilobites of the Cow Head Group, western Newfoundland, Canada. Palaeontographica Canadiana 6, 1-175.
41. Miller, J.F. 1969: Conodont fauna of the Notch Peak Limestone (Cambro-Ordovician), House Range, Utah. Journal of Paleontology 43, 413-439.
42. Miller, J.F. 1980: Taxonomic revisions of some Upper Cambrian and Lower Ordovician conodonts with comments on their evolution. The University of Kansas Paleontological Contributions, Paper 99, 1-44.
43. Miller, J.F. 1988: Conodonts as biostratigraphic tools for redefinition and correlation of the Cambrian-Ordovician Boundary. Geological Magazine 125, 349-362.
44. Miller, J.F. 1997a: More discussion on problems with Green Point. International Cambrian-Ordovician Boundary Working Group, Circular November 1997, 21-28.
45. Miller, J.F. 1997b: Letter on correlation of Boundary Sections. International Cambrian-Ordovician Boundary Working Group, Circular January 1997, 29-37.
46. Miller, J.F. & Flokstra, B.R. 1999: Graphic correlation of important Cambrian-Ordovician boundary sections. In Kraft P., Fatka O. (eds): Quo Vadis Ordovician - Short Papers of the Eight International Symposium on the Ordovician System. Acta Universitatis Carolinae, Geologica 43, 81-84.
47. Miller, J.F., Evans, K.E., Loch, J.D., Ethington, R.L., Stitt, J.H., Holmer, L.E. & Popov, L.E. 2003: Stratigraphy of the Sauk III interval (Cambrian-Ordovician) in the Ibex area, western Millard County, Utah. Brigham Young University Geology Studies 47, 23-118.
48. Miller, J.F., Ethington, R.L., Evans, K.R., Holmer, L.E., Loch, J.D., Popov, L.E., Repetski, J.E., Ripperdan, R.L. & Taylor, J.F. 2006: Proposed stratotype for the base of the highest Cambrian stage at the first appearance datum of Cordylodus andresi, Lawson Cove section, Utah, USA. Palaeoworld 15, 384-405.
49. Müller, K.J. 1959: Kambrische Condonten. Zeitung Deutsche Geologische Gessellschaft 111, 434-485.
50. Müller, K.J. 1973: Late Cambrian and Early Ordovician conodonts from northern Iran. Geological Survey of Iran Report 30, 1-77.
51. Nicoll, R.S. 1990: The genus Cordylodus and a latest Cambrian-earliest Ordovician conodont biostratigraphy. BMR Journal of Australian Geology and Geophysics 11, 529-558.
52. Nicoll, R.S. 1991: Differentiation of Late Cambrian-Early Ordovician species of Cordylodus (Conodonta) with biapical basal cavities. BMR Journal of Australian Geology and Geophysics 12, 223-244.
53. Nicoll, R.S., Miller, J.F., Nowlan, G.S., Repetski, J.E. & Ethington, R.L. 1999: Iapetonudus (New Genus) and Iapetognathus Landing, unusual earliest Ordovician multielement conodont taxa and their utility for biostratigraphy. Brigham Young University Geology Studies 44, 27-101.
54. Norford, B.S. 1988: Introduction to papers on the Cambrian-Ordovician boundary. In Norford B.S. (ed.): Cambrian-Ordovician Boundary Issue. Geological Magazine 125, 323-326.
55. Nowlan, G.F. 1985: Late Cambrian and Early Ordovician conodonts from the Franklinian Miogeosyncline, Canadian Arctic Islands. Journal of Paleontology 59, 96-122.
56. Nowlan, G.F. & Nicoll, R.S. 1995: Re-examination of the conodont biostratigraphy at the Cambro-Ordovician Xiaoyangqiao Section, Dayangcha, Jilin Province, China. In Cooper J.D., Droser M., Finney S.C. (eds): Ordovician Odyssey. Short Papers for the Seventh International Symposium on the Ordovician System, 113-116. The Pacific Section of the Society for Sedimentary Geology (SEPM), Fullerton, California, Book 77.
57. Olgun, O. 1987: Komponenten-analyse und conodonten-stratigraphie der orthoceratenkalksteine im gebiet Falbygden, Västergötland, Mittelschweden. Sveriges Geologiska Undersökning Ca 70, 1-78.
58. Pegel, T.V. 2000: Evolution of trilobite biofacies in Cambrian basins of the Siberian Platform. Journal of Paleontology 74, 1000-1019.
59. Peng, S. 2009: The newly developed Cambrian biostratigraphic succession and chronostratigraphic scheme for South China. Chinese Science Bulletin 54, 4161-4170.
60. Peng, S. & Babcock, L. 2005: Two Cambrian agnostoid trilobites, Agnostotes orientalis (Kobayashi, 1935) and Lotagnostus americanus (Billings, 1860): Key species for defining global stages of the Cambrian System. Geosciences Journal 9, 107-115.
61. Pyle, L.J. & Barnes, C.R. 2002: Taxonomy, evolution, and biostratigraphy of conodonts from the Kechika Formation, Skoki Formation and Road River Group (Upper Cambrian to Lower Silurian), northeastern British Columbia. National Research Council of Canada Monograph Series. NRC Research Press, Ottawa, Ontario, Canada, 227 pp.
62. Pyle, L.J., Barnes, C.R. & McAnally, M.C. 2007: Conodont biostratigraphy of the latest Cambrian-Early Ordovician upper McKay Group, southeastern British Columbia. Canadian Journal of Earth Sciences 44, 1713-1740.
63. Rao, R.I. 1999: Los conodontes Cambro - Ordovícicos de la Sierra de Cajas y del Espinazo del Diablo, Cordillera Oriental, República Argentina. Revista Española de Micropaleontologia 31, 23-51.
64. Remane, J., Bassett, M.G., Cowie, J.W., Gohrbandt, K.H., Lane, H.R., Michelson, O. & Wang, N. 1996: Revised guidelines for the establishment of global chronostratigraphic standards by the International Commission on Stratigraphy (ICS). Episodes 19, 77-81.
65. Rong, J., Melchin, M., Williams, H., Koren', T.N. & Verniers, J. 2008: Report of the restudy of the defined global stratotype of the base of the Silurian System. Episodes 31, 315-318.
66. Ross, R.J.J., Hintze, L.F., Miller, J.F., Taylor, M.E. & Repetski, J.E. 1997: The Ibexian lowermost Series in the North American Ordovician. In Taylor, M.E. (ed.): Early Paleozoic Biochronology of the Great Basin. US Geological Survey, Professional Paper 1579A, 1-50.
67. Szaniawski, H. & Bengtson, S. 1998: Late Cambrian euconodonts from Sweden. In Szaniawski H. (ed.): Proceedings of the Sixth European Conodont Symposium (ECOS VI). Palaeantologia Polonica 58, 7-29.
68. Taylor, J.F., Kennedy, D.J., Miller, J.F. & Repetski, J.E. 1991: Uppermost Cambrian slope deposits at Highgate Gorge, Vermont: a minor miscorrelation with major consequences for conodont and trilobite-based chronocorrelation. Journal of Paleontology 65, 855-863.
69. Terfelt, F. & Ahlberg, P. 2010: Pseudagnostus rugosus Ergaliev, 1980: a key agnostoid species for intercontinental correlation of upper Furongian (Cambrian) strata. Geological Magazine 147, 789-796.
70. Troedsson, G.T. 1937: On the Cambro-Ordovician faunas of western Quruq tagh, eastern T'ien-shan. In Reports from the scientific expedition to the northwestern provinces of China under the leadership of Dr Sven Hedin. The Sino-Swedish Expedition, Publication 4, Invertebrate Palaeontology. Palaeontologica Sinica new series B2 (whole series106), 1-74.
71. Viira, V., Sergeyeva, S. & Popov, L. 1987: Earliest representatives of the genus Cordylodus (Conodonta) from Cambro-Ordovician boundary beds of North Estonia and Leningrad region. Proceedings of the Academy of Sciences of the Estonian SSR, Geology 36, 145-153.
72. van Wamel, W.A. 1974: Conodont biostratigraphy of the Upper Cambrian and Lower Ordovician of north-western Öland, south-eastern Sweden. Utrecht Micropaleontological Bulletins 10, 1-126.
73. Zhang, Y., Erdtmann, B.D. & Feng, H. 2003: Tremadocian graptolite biostratigraphy of China and its international correlation. Serie Correlacion Geologica 18, 105-113. Proceedings of the 7th International Graptolite Conference and Field Meeting of the International Subcommission on Silurian Stratigraphy, 2003.