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Fossil Record A palaeontological open-access journal of the Museum für Naturkunde
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Volume 13, issue 1
Foss. Rec., 13, 153-202, 2010
https://doi.org/10.1002/mmng.200900011
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.
Foss. Rec., 13, 153-202, 2010
https://doi.org/10.1002/mmng.200900011
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.

  01 Feb 2010

01 Feb 2010

The ammonoids from the Dalle à Merocanites of Timimoun (Late Tournaisian–Early Viséan; Gourara, Algeria)

V. Ebbighausen1, D. Korn2, and J. Bockwinkel3 V. Ebbighausen et al.
  • 1Engstenberger Höhe 12, 51519 Odenthal, Germany
  • 2Museum für Naturkunde Berlin, Invalidenstraße 43, 10115 Berlin, Germany
  • 3Dechant-Feinstraße 22, 51375 Leverkusen, Germany

Abstract. The ammonoids from the Early Carboniferous (Mississippian) Dalle à Merocanites of Timimoun (Gourara, Algeria) are described. The following new ammonoid taxa are introduced: subfamily Hammatocyclinae n. subfam., Hammatocyclus pollex n. sp., Hammatocyclus corrugatus n. sp., Neopericyclus arenosus n. sp., Ammonellipsites pareyni n. sp., Ammonellipsites menchikoffi n. sp., Ammonellipsites conradae n. sp., Muensteroceras fabrei n. sp., Eurites commutatus n. sp., Eurites pondus n. sp., subfamily Trimorphoceratinae n. subfam., Trimorphoceras n. gen., Trimorphoceras crassilens n. sp., Trimorphoceras absolutum n. sp., Trimorphoceras molestum n. sp., Obturgites n. gen., Obturgites polysarcus n. sp., Obturgites oligosarcus n. sp., Dzhaprakoceras dzhazairense n. sp., and Merocanites merocanites n. sp. These species occur in one very prolific horizon and can be attributed to the North African Ammonellipsites-Merocanites Assemblage (Fascipericyclus -Ammonellipsites Genus Zone; Late Tournaisian to Early Viséan). They represent one of the most diverse ammonoid faunas known from this time interval.

doi:10.1002/mmng.200900011

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