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Swiss Journal of Palaeontology
Fig. 14 | Swiss Journal of Palaeontology

Fig. 14

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. 14

3D renderings of the left mandibular ramus of UMMP 9318, referred to Stylemys nebrascensis. A Lateral view. B Dorsal view. C Medial view. D Close-up onto articulation area. Note that bones are labelled in bold font, and traits in regular font. Abbreviations: an, angular; art, articular; cor, coronoid; corp, coronoid process; den, dentary; fai, foramen alveolare inferius; fat, foramen auriculotemporalis; fdfm, foramen dentofaciale majus; fim, foramen intermandibulare medius; fM, foramen into fossa Meckelii; labr, labial ridge; linr, lingual ridge; pcp, posteromedial coronoid process; pctf, posterior chorda tympani foramen; pimf, posterior intermandibular foramen; pre, prearticular; rap, retroarticular process; secf, surangular ectocondylar flange; sM, sulcus Meckelii; sur, surangular; syg, symphyseal groove

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