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Figure 5 | BMC Evolutionary Biology

Figure 5

From: A new xinjiangchelyid turtle from the Middle Jurassic of Xinjiang, China and the evolution of the basipterygoid process in Mesozoic turtles

Figure 5

PMOL-SGP A0100-3, skull, mandible and hyoid apparatus of Xinjiangchelys wusu , Middle Jurassic, ?Qigu Formation, "Turtle Cliff", Shanshan area, Turpan Basin, Xinjiang Autonomous Province, China. A, occipital view of skull; B, left ventrolateral view of skull and mandible; C, medial view of right ramus of mandible. Abbreviations: ang: angular, art: articular, bo: basioccipital, bs: basisphenoid, cb I.: cornu branchiale I., co: condylus occipitalis, cor: coronoid, ct: cavum tympani, de: dentary, ex: exoccipital, fm: foramen magnum; fnh: foramen nervi hypoglossi, fpcci: foramen posterius canalis carotici interni, fpo: fenestra postotica, ica: incisura columella auris, ju: jugal, mx: maxilla, op: opisthotic, or: orbit, pmx: premaxilla, ppe: processus pterygoideus externus, pra: prearticular, pt: pterygoid, qj: quadratojugal, qu: quadrate, scm: sulcus cartilaginis Meckelii, so: supraoccipital, spe: splenial, sur: surangular.

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