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Helcionelloid molluscs and hyoliths from the Miaolingian (middle Cambrian) of the subsurface of the Delitzsch–Torgau–Doberlug Syncline, northern Saxony, Germany

  • Gerd GeyerEmail author
  • John M. Malinky
Research Paper

Abstract

Miaolingian rocks of the Delitzsch–Torgau–Doberlug Syncline yield Helcionelloida and Hyolitha that are otherwise poorly known from this stratigraphical interval in Central Europe. The two faunal intervals from the lower part of the Wuliuan and the lower part of the Drumian Stage include the helcionelloid genera Helcionella, Marocella and Leptostega, and at least nine different species of hyoliths, mostly preserved in a manner that does not permit precise determination, but they distinctly broaden the paragon of the West Gondwana molluscan faunas and revise earlier reports on the faunal spectrum. A new species of Aladraco is introduced as A. kirchhainensis sp. nov.

Keywords

Cambrian Helcionelloida Hyolitha Biostratigraphy West Gondwana Germany 

Notes

Acknowledgements

Study and loan of specimens was made possible by Dr. Angela Ehling (collections of the Bundesanstalt für Geowissenschaften und Rohstoffe, Berlin-Spandau), which is gratefully acknowledged. P. Yu. Parkhaev (Moscow) and an anonymous reviewer provided helpful comments and suggestions on the manuscript. The study was made possible by research grants of the Deutsche Forschungsgemeinschaft (DFG) to the senior author (grant GE 549/22-1 to G.G.).

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© Paläontologische Gesellschaft 2019

Authors and Affiliations

  1. 1.Institut für Geographie und Geologie, Lehrstuhl für Geodynamik und GeomaterialforschungBayerische Julius-Maximilians-Universität WürzburgWürzburgGermany
  2. 2.Physical Science DepartmentSan Diego City CollegeSan DiegoUSA

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