Fig. 3 in Shell bone histology of solemydid turtles (stem Testudines): palaeoecological implications

Fig. 3 Thin-sections of solemydid specimens shown in normal transmitted (left) and cross-polarized light (right). a Solemys vermiculata, costal fragment (MCNA-15047). b Solemys sp., costal fragment (UPUAM-14001). c Solemys sp., costal fragment (UPUAM- 14001), close-up of external cortex. Abbreviations: CB cancellous bone; ECO external cortex; ICO internal cortex; ISF interwoven structural fibres; PFB parallel-fibred bone