A big unprepared nothosaurus vertebra. Small pieces of the vertebra are in the counter plates and must be glued back on. 

 Location: Backnang
Epoch/Age: Triassic, "Oberer Muschelkalk, "Grenzbonebed",~ 235 Million years
Size of the stone: 10 × 6,5 cm
Size of the fossil (estimated) : 3 × 3,8 cm