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This only involves removing 1-2 mm of the tomium by the way – it isn’t anything like the brutal de-beaking indulged in by the factory chicken industry.

Later oviraptorosaurs were toothless, but the bony premaxillary margins of their upper jaw were serrated, raising the possibility that the tomium was serrated too.

Tomium, tō′mi-um, n. the cutting edge of a bird's bill.—adj.