Articles | Volume 21, issue 1
https://doi.org/10.5194/fr-21-55-2018
https://doi.org/10.5194/fr-21-55-2018
Research article
 | 
28 Feb 2018
Research article |  | 28 Feb 2018

Eggs for breakfast? Analysis of a probable mosasaur biting trace on the Cretaceous echinoid Echinocorys ovata Leske, 1778

Christian Neumann and Oliver Hampe

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Cited articles

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Bardet, N., Pereda Suberbiola, X., Iarochene, M., Bouya, B., and Amaghzaz, M.: A new species of Halisaurus from the Late Cretaceous phosphates of Morocco, and the phylogenetical relationships of the Halisaurinae (Squamata: Mosasauridae), Zool. J. Linn. Soc.-Lond., 143, 447–472, 2005a. 
Bardet, N., Suberbiola, X. P., Iarochène, M., Amalik, M., and Bouya, B.: Durophagous Mosasauridae (Squamata) from the Upper Cretaceous phosphates of Morocco, with description of a new species of Globidens, Neth. J. Geosci., 84, 167–176, 2005b. 
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Bonasoro, F., Ferro, P., Di Benedetto, C., Sugni, M., Mozzi, D., and Carnevali, M. C.: Regenerative potential of echinoid test, in: Echinoderms: München: Proceedings of the 11th International Echinoderm Conference, 6–10 October 2003, Munich, Germany, edited by: Heinzeller, T. and Nebelsick, J. H., CRC Press, Munich, 97–103, 2004. 
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Short summary
We describe a biting trace on the oral surface of a large Maastrichtian holasteroid echinoid Echinocorys ovata from Hemmoor (northern Germany) which exhibits four circular punctures, arranged in a semi-circular arc. The punctures were not lethal to the sea urchin as is indicated by progressed skeletal regeneration and closure of the fractures. The shape and arrangement of the biting trace are analyzed suggesting that it was produced most likely by a globidensine mosasauroid.