Articles | Volume 21, issue 1
Foss. Rec., 21, 55–66, 2018
https://doi.org/10.5194/fr-21-55-2018

Special issue: Secondary adaptation of tetrapods to life in water...

Foss. Rec., 21, 55–66, 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

ABFO (American Board of Forensic Odontology): Guidelines for bitemark analysis, J. Am. Dent. Assoc., 112, 383–386, 1986. 
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. 
Becker, M. A. and Chamberlain, J. A. Jr.: Squalicorax chips a tooth: A consequence of feeding-related behavior from the lowermost Navesink Formation (Late Cretaceous: Campanian-Maastrichtian) of Monmouth County, New Jersey, USA, Geosciences, 2, 109–129, 2012. 
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.