A nice unprepared nothosaurus tooth. The tooth is broken in half and needs to be glued. 

 Location: Backnang
Epoch/Age: Triassic, "Oberer Muschelkalk, "Grenzbonebed",~ 235 Million years
Size of the stone: 13 × 8 cm
Size of the fossil (in cross section) : 0,4 × 0,35 cm 

Size of the fossil (estimated) : 2 × 0,4 cm