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Chitinozoan biostratigraphy of the Upper Ordovician D. clingani and P. linearis graptolite biozones on the Island of Bornholm, Denmark

(2013) STRATIGRAPHY. 10(4). p.281-301
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Abstract
The last decade saw a revival of the debate on the exact stratigraphical position of the Upper Ordovician P. linearisgraptolite biozone. Chitinozoan biostratigraphy can be useful to help address this question. Here, we provide a high-resolution chitinozoan biostratigraphy through the Dicellograptus Shale Formation at Vasagard on the Island of Bornholm (Denmark), which recently also was subject to a thorough revision of its graptolite fauna, representing the Dicellograptus folicaceus, Dicranograptus clingani and Pleurograptus linearis biozones. We have identified close to 9000 individual chitinozoan vesicles from 26 samples through the upper c. 9m of the Dicellograptus Shale Formation. The Spinachitina cervicornis, Fungochitina spinifera and Tanuchitina bergstroemi chitinozoan biozones are identified, and their boundaries carefully calibrated against the revised graptolite biostratigraphy. A correlation with the chitinozoan biozonation in the British Cautley district, which has a predominantly Baltoscandian, mid-latitude signature and is well-correlated with the graptolite and shelly fauna biozones described from the historical type region, is established.
Keywords
ZONE, STRATIGRAPHY, CLASSIFICATION, SOUTHWEST WALES, Caradoc, OSLO REGION, SOUTHERN SWEDEN, ASHGILL SERIES, VAUREAL FORMATION, Katian, Ashgill, Upper Ordovician, chitinozoans, biostratigraphy, correlations, graptolites, AREA, CARADOC

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Citation

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Chicago
Vandenbroucke, Thijs, Philippe Recourt, Jaak Nolvak, and Arne T Nielsen. 2013. “Chitinozoan Biostratigraphy of the Upper Ordovician D. Clingani and P. Linearis Graptolite Biozones on the Island of Bornholm, Denmark.” Stratigraphy 10 (4): 281–301.
APA
Vandenbroucke, Thijs, Recourt, P., Nolvak, J., & Nielsen, A. T. (2013). Chitinozoan biostratigraphy of the Upper Ordovician D. clingani and P. linearis graptolite biozones on the Island of Bornholm, Denmark. STRATIGRAPHY, 10(4), 281–301.
Vancouver
1.
Vandenbroucke T, Recourt P, Nolvak J, Nielsen AT. Chitinozoan biostratigraphy of the Upper Ordovician D. clingani and P. linearis graptolite biozones on the Island of Bornholm, Denmark. STRATIGRAPHY. 2013;10(4):281–301.
MLA
Vandenbroucke, Thijs, Philippe Recourt, Jaak Nolvak, et al. “Chitinozoan Biostratigraphy of the Upper Ordovician D. Clingani and P. Linearis Graptolite Biozones on the Island of Bornholm, Denmark.” STRATIGRAPHY 10.4 (2013): 281–301. Print.
@article{5645860,
  abstract     = {The last decade saw a revival of the debate on the exact stratigraphical position of the Upper Ordovician P. linearisgraptolite biozone. Chitinozoan biostratigraphy can be useful to help address this question. Here, we provide a high-resolution chitinozoan biostratigraphy through the Dicellograptus Shale Formation at Vasagard on the Island of Bornholm (Denmark), which recently also was subject to a thorough revision of its graptolite fauna, representing the Dicellograptus folicaceus, Dicranograptus clingani and Pleurograptus linearis biozones. We have identified close to 9000 individual chitinozoan vesicles from 26 samples through the upper c. 9m of the Dicellograptus Shale Formation. The Spinachitina cervicornis, Fungochitina spinifera and Tanuchitina bergstroemi chitinozoan biozones are identified, and their boundaries carefully calibrated against the revised graptolite biostratigraphy. A correlation with the chitinozoan biozonation in the British Cautley district, which has a predominantly Baltoscandian, mid-latitude signature and is well-correlated with the graptolite and shelly fauna biozones described from the historical type region, is established.},
  author       = {Vandenbroucke, Thijs and Recourt, Philippe and Nolvak, Jaak and Nielsen, Arne T},
  issn         = {1547-139X},
  journal      = {STRATIGRAPHY},
  keyword      = {ZONE,STRATIGRAPHY,CLASSIFICATION,SOUTHWEST WALES,Caradoc,OSLO REGION,SOUTHERN SWEDEN,ASHGILL SERIES,VAUREAL FORMATION,Katian,Ashgill,Upper Ordovician,chitinozoans,biostratigraphy,correlations,graptolites,AREA,CARADOC},
  language     = {eng},
  number       = {4},
  pages        = {281--301},
  title        = {Chitinozoan biostratigraphy of the Upper Ordovician D. clingani and P. linearis graptolite biozones on the Island of Bornholm, Denmark},
  volume       = {10},
  year         = {2013},
}

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