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Swiss Journal of Palaeontology
Fig. 8 | Swiss Journal of Palaeontology

Fig. 8

From: 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 clade

Fig. 8

3D renderings of the cranium of Manouria impressa (SMT 69777), with the left cranial side segmented bone by bone. A Dorsal view. B Ventral view. C Left lateral view. D Posterior view. Note that bones are labelled in bold font, and traits in regular font. boc, basioccipital; crcr, crista cranii; ep, epipterygoid; ex, exoccipital; f, frontal; fjp, foramen jugulare posterius; fon, foramen orbito-nasale; fpp, foramen palatinum posterius; fprp, foramen praepalatinum; fst, foramen stapedio-temporale; ica, incisura columellae auris; j, jugal; labr, labial ridge; linr, lingual ridge; mx, maxilla; op, opisthotic; ops, oropharyngeal slit, par, parietal; pal, palatine; pbs, parabasisphenoid; pm, premaxilla; po, postorbital; prf, prefrontal; pro, prootic; pt, pterygoid; pte, processus pterygoideus externus; pto, processus trochlearis oticum; q, quadrate; qj, quadratojugal; soc, supraoccipital; sq, squamosal; v, vomer

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