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Geology / Coniacian


  • Cretaceous
    • Upper Cretaceous
      • Coniacian

The Brezno Formation (lower Coniacian) of the Bohemian Cretaceous contains several Stromboidea

The Strehlen-Formation belongs to the lower Coniacian, upper Turonian, upper Cretaceous


  • Al Rawahi, Z. & Dunkley, Jones T. (2019). Calcareous nannofossil assemblages of the Late Cretaceous Fiqa Formation, north Oman. Journal of Micropalaeontology, 38, 25–54, 2019
  • Anoh, N.O., & Petters, S.W. (2014). Preliminary investigation of Late Turonian-Early Campanian shallow marine foraminifera of the Mungo River/Logbadjeck Formation, NW Douala Basin, Cameroon. Journal of African Earth Sciences, 99, 442–451
  • Arapova, N.D., Suleymanov, N.S. (1966) On foraminifers from the Coniacian deposits of Western Uzbekistan and Kyzylkum // Tashkent State University. Vol.273. P.121-127. [in Russian]
  • Cobban, W.A., Walaszczyk, I., Obradovich, J.D., and McKinney, K.C. (2006). A USGS zonal table for the Upper Cretaceous middle Cenomanian−Maastrichtian of the Western Interior of the United States based on ammonites, inoceramids, and radiometric ages. U.S. Geological Survey Open-File Report 2006-1250, 45 p.
  • Collignon, M., Cregut, E., Fabre-Taxy, S., Philip, J. & Tronchetti, G. (1979). Ammonites du Coniacien de Provence. Géologie Méditerranéenne. Tome 6, numéro 3, 1979
  • Helenes, J. & Somoza, D. (1999). Palynology and sequence stratigraphy of the Cretaceous of eastern Venezuela. Cretaceous Research, 20(4), 447–463
  • Kennedy, W.J. (2021). On some Turonian and Coniacian ammonites from central Colombia. Acta Geologica Polonica, Vol. 71 (2021), No. 3, pp. 259–285
  • Landman, N.H., Plint, A.G., Walaszczyk, I.; Hooper, B.A., Grifi, M.D., Gröcke, D.R., Trabucho A., João P., Jarvis, I. (2017). Allostratigraphy and biostratigraphy of the Upper Cretaceous (Coniacian-Santonian) Western Canada Foreland Basin. Bulletin of the American Museum of Natural History, no. 414.
  • Niebuhr, B., Wilmsen, M. & Voigt, T. (2020). Die Oberkreide (Cenomanium–Mittelconiacium) im Zittauer Sandsteingebirge (Deutschland, Tschechien). [The Upper Cretaceous (Cenomanian–Middle Coniacian) of the Zittau Sandstone Mountains (Germany, Czechia).] – Z. Dt. Ges. Geowiss., 171: 163–197, Stuttgart
  • Ohmert, W. (2006). Radiolarien-Faunen und Obergrenze der Amden-Formation (Coniacium – Santonium) im Tölzer Helvetikum (Oberbayern). Zitteliana, Vol. A 46: pp. 3-40
  • Reyment, R.A. (1954). Some new Upper Cretaceous ammonites from Nigeria. Colonial Geology and Mineral Resources, V. 4, no. 3. pp. 248-270
  • Reyment, R.A. (1955). The Cretaceous Ammonoidea of Southern Nigeria and the Southern Cameroons. Bull. Geol. Surv. Nigeria no.25. 112 p
  • Samuel, M.D., Ismail, A.A., Akarish, A.I.M., & Zaky, A.H. (2009). Upper Cretaceous stratigraphy of the Gebel Somar area, north-central Sinai, Egypt. Cretaceous Research, 30(1), 22–34
  • Schulz, M.-G., Ernst, G., Ernst, H. and Schmid, F (1984). Coniacian to Maastrichtian stage boundaries in the standard section for the Upper Cretaceous white chalk of NW Germany (Lagerdorf - Kronsmoor - Hemmoor): definitions and proposals. Bull. geol. Soc. Denmark, vol. 33, pp. 203-215, Copenhagen
  • Strasser, A., Charollais, J., Conrad, M.A., Clavel, B., Pictet, A. & Mastrangelo, B. (2016). The Cretaceous of the Swiss Jura Mountains: an improved lithostratigraphic scheme. Swiss J. Geosci., 7 June 2016 (published online)
  • Wood, C. J., Ernst, G. & Rasemann, G. (1984). The Turonian-Coniacian stage boundary in Lower Saxony (Germany) and adjacent areas: the Salzgitter-Salder Quarry as a proposed international standard section.
  • Zharkov, M.A., Murdmaa, I.O. & Filatova, N.I. (1998) Palaeogeography of the Coniacian-Maastrichtian ages of the Late Cretaceous // Stratigraphy. Geological correlation. Vol.6. no.3. P.3-16. [in Russian]

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