Summary[
edit] Description: Italiano: Symmetrolestes parvus (NSM PV 20562, holotype). A. Lingual stereo view of the dentary. Note the ledge of matrix left along the ventral edge of the jaw, which continues toward the back bearing impressions of the condyloid and coronoid processes. B. Drawing of the jaw in approximately the same position as in A. The back of the coronoid process has been reconstructed from impressions left in the main block and the fragments preserved in the smaller block (Fig. 6). Scale bar 2 mm. The arrow indicates the position of Meckel's sulcus. The dark circle towards the back of the jaw is the mandibular foramen. Date: 18 November 2016. Source: Tsubamoto, T., Rougier, G.W., Isaji, S., Manabe, M., and Forasiepi, A.M. 2004. New Early Cretaceous spalacotheriid “symmetrodont” mammal from Japan. Acta Palaeontologica Polonica 49 (3): 329–346. Author: Tsubamoto, T., Rougier, G.W., Isaji, S., Manabe, M., and Forasiepi, A.M.