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A current moved this prehistoric ammonite’s lifeless shell across the seafloor, producing an almost 28-foot-long fossilized scratch. 

By | May 17, 2017

A digital model of the drag left by a deceased ammonite (Subplanites rueppellianus) along with its fossilized remains, created using 645 photographs. Fossil and mark were found near Solnhofen in Southern Germany. 


       (See D.R. Lomax et al., “An 8.5 m long ammonite drag mark from the Upper Jurassic Solnhofen Lithographic Limestones, Germany,” PLOS ONE, doi:10.1371/journal.pone.0175426, 2017.)

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