Ammonite Touch Marks in Upper Cretaceous (Cenomanian-Santonian) Deposits of the Western Interior Sea

  • Neil H. Landman
  • William A. Cobban

Over the course of collecting in the last 50 years in the Upper Cretaceous US Western Interior, one of us (WAC) has assembled a collection of “trace fossils” left by ammonites as they touched the sea floor. These impressions provide clues to the taphonomic history of ammonite shells. They also serve as biostratigraphic markers in the absence of ammonite fossils themselves. In the following pages, we illustrate some of these impressions in association with the species that probably produced them.

Keywords

American Museum Tool Mark Ammonite Fauna Geological Survey Professional Paper Ammonite Shell 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer 2007

Authors and Affiliations

  • Neil H. Landman
    • 1
  • William A. Cobban
    • 1
  1. 1.Division of Paleontology (Invertebrates)American Museum of Natural HistoryNew YorkUSA

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