Figure 7. Borings on a single specimen of cf. Echmatemys sp. (UAAES14009). Note that the borings occur on both the plastron and carapace. (1, 2) External (1) and internal (2) views of carapace. The box in 1 denotes the location of the healed boring in (7), (8), and (9). The box in B identifies the holotype of Karethraichnus fiale (also shown in 8). (3, 4) External (3) and internal (4) views of plastron. Note how the small borings follow the sulcus on the xiphiplastra. (E) Close-up of the internal surface of the healed boring in (2). (6) Cross-sectional view of the healed boring in (2). (7) External view of the pit that terminates in the bone healing, identified in the box in (2). (8) The holotype of K. fiale.(9) Close-up of internal view of large boring on left hypoplastron/hyoplastron suture (upper box in 4). Note the raised lip surrounding the hole. (10) Close-up of the penetrative borings with enraised lips shown in the lower box of (4).
