Crocodile - probably Dakosaurus maximus
Matrix free tail vertebra from a crocodile. originally Kimmeridgian in age but re-worked into the overlying cretaceous, Aptian Faringdon Sponge gravels. The famous old Wicklesham pit no longer works thee gravels.
Jurassic, Kimmeridge Clay. re-worked into cretaceous, Aptian Faringdon Sponge gravels.
Wicklesham Pit, Faringdon, Oxfordshire.
Vertebra : 4 cm long.