Figure 3 | Scientific Reports

Figure 3

From: Surviving the Cretaceous-Paleogene mass extinction event: A terrestrial stem turtle in the Cenozoic of Laurasia

Figure 3

Elements of the plastron of the stem turtle (Sichuanchelyidae) Laurasichersis relicta gen. et sp. nov., from the upper Thanetian (upper Paleocene) of Mont de Berru (Marne, France). (A–D), two articulated partial hemiplastra (MNHN.F BR9069, MNHN.F BR9068), including most of the hyoplastra, mesoplastra, hypoplastra and xiphiplastral elements. (E–N), hyoplastra (MNHN.F BR13515, MNHN.F BR13514, MNHN.F BR9085, MNHN.F BR9033, MNHN.F BR9084). (O,P), mesoplastron (MNHN.F BR9070). (Q–T), hypoplastra (MNHN.F BR13508, MNHN.F BR13491). U–AB, xiphiplastral elements (MNHN.F BR9079, MNHN.F BR17486, MNHN.F BR9081, MNHN.F BR9089). AC–AD, articulated right hypoplastron and xiphiplastra (MNHN.F BR9083). All of them in ventral and dorsal views. Abbreviations for the plates (in lowercase and normal type): hp, hypoplastron; hy, hyoplastron; ms, mesoplastron; xi, xiphiplastral element. Abbreviations for the scutes (in uppercase and in bold type): AB, abdominal; AN, anal; AX, axillar; FE, femoral; HU, humeral; IG, inguinal; PC, pectoral.

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