Presence of several clades of continental turtles in the Lutetian (Middle Eocene) of the Sobrarbe Formation (Ainsa Basin, South-Central Pyrenees, Northeast Spain)

1. Pérez-García, A.
2. Murelaga, X.
3. Cardiel Lalueza, J.
4. Badiola, A.
5. Díaz-Berenguer, E.