Fig. 3From: Digital skull anatomy of the Oligocene North American tortoise Stylemys nebrascensis with taxonomic comments on the species and comparisons with extant testudinids of the Gopherus–Manouria clade3D renderings of the cranium of UMMP 9319, referred to Stylemys nebrascensis, as preserved in the fossil. A Dorsal view. B Ventral view. C Left lateral view. D Right lateral view. E Anterior view. F Posterior view. Note that the mandible is articulated to the cranium. cem, cheek emargination; cty, cavum tympani; exn, external naris; fpp, foramen palatinum posterius; fjp foramen jugulare posterius; fst, foramen stapedio-temporale; man, mandible; occ, occipital condyle; or, orbit; tem, upper temporal emargination; XII, hypoglossal nerve (CN XII) foraminaBack to article page