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Fossil Record A palaeontological open-access journal of the Museum für Naturkunde
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Volume 6, issue 1
Foss. Rec., 6, 71–78, 2003
https://doi.org/10.1002/mmng.20030060104
© Author(s) 2003. This work is distributed under
the Creative Commons Attribution 3.0 License.
Foss. Rec., 6, 71–78, 2003
https://doi.org/10.1002/mmng.20030060104
© Author(s) 2003. This work is distributed under
the Creative Commons Attribution 3.0 License.

  01 Jan 2003

01 Jan 2003

Conodonta, Trilobita, and Anthozoa near the Late Frasnian Upper Kellwasser Event of the Geipel Quarry section in Schleiz, Thuringian Mountains (Germany)

D. Weyer1, R. Feist2, and C. Girard3 D. Weyer et al.
  • 1Löwestrasse 15, 10249 Berlin, Germany
  • 2Institut des Sciences de l'Évolution, Université de Montpellier 2, 34095 Montpellier, France
  • 3Université Claude Bernard-Lyon I, Laboratoire de Paléoenvironnements et Paléobiosphère, 2, rue Raphael Dubois, 69622 Villeurbanne Cedex, France

Abstract. New recoveries of Trilobita, Anthozoa and Conodonta from the linguiformis Zone close to the Frasnian/Famennian boundary and Immediately preceding the Upper Kellwasser Event level at Schleiz (Thuringia) are investigated. The trilobites species are Harpes neogracilis Richter & Richter, 1924, Palpebralia cf. brecciae (Richter, 1913) and Acuticryphops acuticeps (Kayser, 1889), the latter is represented by several morphs with different numbers of eye-lenses; the trend to eye-reduction is discussed. The Rugosa fauna that was nearly unknown from the psychrospheric facies worldwide, comprise six taxa of the Cyathaxoniina. The rich conodont faunas permit tracing the exact boundary between the top of the Late Palmatolepis rhenana Zone and the Palmatolepis linguiformis Zone.

Im Niveau der Frasnium/Famennium-Grenze werden neue Fossilfunde der letzten Trilobita, Anthozoa und Conodonta aus der linguiformis-Zone (vor dem Oberen Kellwasser-Event) mitgeteilt. Harpes neogracilis Richter & Richter, 1924, Palpebralia cf. brecciae (Richter, 1913) und Acuticryphops acuticeps (Kayser, 1889) wurden beobachtet; bei letzterem wird an Hand verschiedener Morphen mit unterschiedlicher Linsenzahl der Trend zur Augenreduktion diskutiert. Von der Rugosa-Fauna, die weltweit aus solcher psychrosphaerischer Fazies fast unbekannt blieb, sind sechs Taxa der Cyathaxoniina skizziert. Die reichen Condonta-Faunen erlauben eine präzise Grenzziehung zwischen dem Top der Late Palmatolepis rhenana-Zone und der Palmatolepis linguiformis-Zone.

doi:10.1002/mmng.20030060104

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