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The function of gastroliths
Ornithomimosaurs, oviraptorosaurs (at least *Caudipteryx*): Instead of chewing,
as in birds.
Sauropods: Not.
http://www.journals.royalsoc.ac.uk/(b41ka4rqduxbx155tatzc4mw)/app/home/contribution.asp?referrer=parent&backto=issue,11,45;journal,1,316;linkingpublicationresults,1:102024,1
I don't have access; I found out via this science news service
http://www.wissenschaft.de/wissen/news/273108.html (in German) which mentions
that sauropods may have _actually eaten_ stones for minerals.
You'll recognize the authors.
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