scolecodont

plural scolecodonts

1. The fossilized jaw of a polychaete annelid.

   Scolecodonts from the Potter Farm Formation of the Devonian of Michigan

   1938, E. R. Eller, Scolecodonts from the Potter Farm Formation of the Devonian of Michigan, title

   2 more examples

   Striking similarities between scolecodonts and jaws of modern worms has resulted in general agreement that scolecodonts are properly placed in order Errantida of class Polychaetia.

   1968, Craig Bond Hatfield, Stratigraphy and Paleoecology of the Saluda Formation

   Scolecodonts are the partly organic, fossil remains of the jaw apparatus, a tooth-like structure, of eunicid polychaete annelid worms.

   2012, Manfred Schidlowski, Early Organic Evolution: Implications for Mineral and Energy Resources