Fig. 2From: A toothed turtle from the Late Jurassic of China and the global biogeographic history of turtlesSkull of IVPP V18094, Sichuanchelys palatodentata n. sp., Late Jurassic (Oxfordian), Shishugou Formation, Wucaiwan, Xinjiang, China, in dorsal (a), ventral (b), and right lateral view (c). Abbreviations: ap = antrum postoticum; bo = basioccipital; ct = cavum tympani; ex = exoccipital; fm = foramen magnum; fpccc = foramen posterius canalis carotici cerebralis; fpccp = foramen posterius canalis carotici palatinum; fpp = foramen palatinum posterius; fr = frontal; ica = incisura columella auris; ju = jugal; man = mandible; mx = maxilla; na = nasal; op = opisthotic; pa = parietal; pal = palatine; pb = processus basipterygoideus; pbs = parabasisphenoid; pf = prefrontal; pm = premaxilla; po = postorbital; pt = pterygoid; ptt = pterygoid teeth; qj = quadratojugal; qu = quadrate; so = supraoccipital; sq = squamosal; vo = vomerBack to article page