Fig. 3 in Decompression syndrome and diving behavior in Odontochelys, the first turtle

Fig. 3. Enface view of right proximal humeral articular surface of Odontochelys semitestacea Li, Wu, Rieppel, Wang, and Zhao, 2008 from the Lower Carnian (Upper Triassic) Wayao Member of the Falang Formation; Guanling, Guizhou Province, southwest China (IVPP V 13240). Irregular defect (arrow) is characteristic for the avascular necrosis found with decompression syndrome.