Fig. 20 in The Perinate Skull of Byronosaurus (Troodontidae) with Observations on the Cranial Ontogeny of Paravian Theropods

Fig. 20. Lateral views of the left maxillary (A), right maxillary (B), and right dentary (C) teeth of IGM 100/972. A fracture in the right dentary reveals the closely appressed rostral dentition of the lower jaw characteristic of troodontids and the restriction of the interdental septae to the base of the tooth roots.