Zanno, L., Tucker, R.T., Canoville, A. et al. Diminutive fleet-footedtyrannosauroid narrows the 70-million-year gap in the North American fossil record
intrepidus. a Graphic illustrating temporal range of North American tyrannosauroids including species-level range prior to the discovery of M. intrepidus
silhouette of M. intrepidus showing recovered elements. Isolated indet. tyrannosauroid premaxillary tooth (NCSM 33393) recovered from nearby strata in (d)