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Craspedodon (meaning 'edge tooth') is an extinct genus of ornithischian dinosaur from the Late Cretaceous Lonzée Member of Belgium. Only a single species, C. lonzeensis, is known.
Since its description, Craspedodon was considered an ornithopod following the relationship with Iguanodon suggested by Dollo, but this was revisited in 2007 by Belgian paleontologists Pascal Godefroit and Olivier Lambert. Godefroit and Lambert identified that the three teeth described by Dollo are IRSNB R57, R58 and R59, and rather than being an ornithopod, are actually some of the earliest evidence of Neoceratopsia from Europe. They were unable to determine whether Craspedodon was a diagnostic taxon or a nomen dubium, identifying some features that suggest separation but also noting that tooth anatomy is too poorly understood to be definitive.
If the reidentification is correct, Craspedodon would be the first neoceratopsian known from Europe. However, the describers of Ajkaceratops noted that Craspedodon might instead represent a hadrosauroid ornithopod.
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