Bárbara L. V. Romera, Luiz R. L. Simone, Carlo M. Cunha
Zookeys
Figures 1–6.Diplodonta portesiana. Holotype (NHMUK 1854.12.4.770; L: 20 mm; H: 17 mm). 1 Left valve, external view 2 Right valve, external view 3 Left valve, internal view 4 Right valve, internal view 5 Left hinge detail 6 Right hinge detail. Scale: 2 mm.
Bárbara L. V. Romera, Luiz R. L. Simone, Carlo M. Cunha
Zookeys
Figures 7–14.Specimen of Diplodonta portesiana (MZSP 22747, L: 13.4 mm, H: 13.1 mm, width: 7.7 mm). 7 Left valve, external view 8 Right valve, external view 9 Left valve, internal view 10 Right valve, internal view 11 Dorsal view 12 Left hinge detail 13 Right hinge detail 14 External surface of shell under SEM; Scale: 2 mm, except 14: 200 µm.