Fig. 8

Testudines from the Iquitos assemblage. A1–A3 left costal 1 of †Chelus colombianus. B–H2 Indeterminate podocnemidids. B Peripheral bone (PIMUZ A/III 4574A). C–D2 Medial portion of a costal bone potentially costal 2 (C: PIMUZ A/III 4576A) and left costal 1 (D1–D2: PIMUZ A/III 4576B). E1–E2 Neural bone, potentially neural 3 (PIMUZ A/III 4582). F1–F2 Partially preserved plastron, including most of both hyoplastra and the left hypoplastron (PIMUZ A/III 4571), and close-up (F2) of its bone surface exhibiting dichotomy sulci. G Partially preserved right hyoplastron (PIMUZ A/III 4576C). H1–H2 Complete right xiphiplastron (PIMUZ A/III 4574B). Abbreviations: cr (costal ridge). Views: external surface (A1, B–D1, E1, F1–H1), internal surface (A2, D2, E2, H2), posterolateral (A3)