Ichthyolite

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Diplomystus (left) and Knightia (right), two fish fossils from the Green River Formation

An ichthyolite ( ancient Greek ἰχθύς ichthys , German 'fish' and lithos 'stone' ) is the fossil of a fully or partially preserved fish (e.g. teeth or scales ) . The fossil dorsal fin spines of primitive fish forms ( sharks ( spiny sharks )), especially Paleozoic age, are called Ichthyodorulith (old Gr . Dóry "spit", "lance").

supporting documents

  1. ^ Keyword “Ichthyolite.” In: Herder-Lexikon der Biologie. Spectrum Akademischer Verlag GmbH, Heidelberg 2003. ISBN 3-8274-0354-5
  2. ^ Ulrich Lehmann : Paleontological Dictionary . 4th edition. Ferdinand Enke Verlag, Stuttgart, 1996. p. 114