Ceratodus tooth, triassic age

This tooth from the lungfish Ceratodus was found in the layers of the upper triassic layers - Keuper -of 
Neidenfels in Germany.

The tooth measures approximately 3.3 cm, the matrix measures approximately 7 x 7 x 3 cm

Such pieces are very rarely found and seldomoffered for sale.

The stone is unbroken - no manipulation whatsoever!