FIG. 11. — Elements of the shell of several individuals of the freshwater clade of turtles Ptychogasterinae, from the lower Miocene (MN3) of the Bardenas Reales of Navarre (Navarre, Spain): A, B, plastron of the shell of Ptychogaster sp. N5-28, in ventral (A) and dorsal (B) views; C-L, isolated elements of Ptychogaster (Temnoclemmys) bardenensis Murelaga, Lapparent de Broin, Pereda Suberbiola & Astibia, 1999, including the holotype (H, I), and several paratypes (C-E, L); C, partial nuchal, BT3-90, in dorsal view; D, suprapygal and articulated anterior region of the pygal, RB1-37, in dorsal view; E, pygal, RB1-20, in dorsal view; F, G, epiplastron, BT3-29, in dorsal (F) and ventral (G) views; H-I, epiplastron, BT3-21, in ventral (H) and dorsal (I) views; J, K, epiplastron, N2-125, in dorsal (J) and ventral (K) views; L, entoplastron, N1-63, in ventral view. Abbreviations for the plates (in lower case): en, entoplastron; ep, epiplastron; hp, hypoplastron; hy, hyoplastron; py, pygal; spy, suprapygal; xi, xiphiplastron. Abbreviations for the scutes (in upper case): AB, abdominal; AN, anal; CE, cervical; FE, femoral; GU, gular; HU, humeral; PC, pectoral; V, vertebral. Scale bar: 3 cm.

Published as part of Pérez-García, Adán, Suarez-Hernando, Oier, Hernández, Jose M., García, Salvador & Murelaga, Xabier, 2021, The freshwater and terrestrial turtles from Monte Pila and Fuenmayor (La Rioja, northern Spain): new data on the lower Miocene turtle diversity of the Ebro Basin, pp. 75-94 in Geodiversitas 43 (3) on page 87, DOI: 10.5252/geodiversitas2021v43a3, http://zenodo.org/record/4548375