Plattenhornstein rogowiec (Tabular chert of the Baiersdorf-type) : dokumentacja [2D] Tyton/Górna Jura
Plattenhornstein rogowiec (Tabular chert of the Baiersdorf-type) : dokumentacja [3D] Tyton/Górna Jura
Chocolate' flint : 2D documentation Upper Jurassic
Flint Raurakian : 2D documentation Upper Jurassic - Rauracian
Chocolate' flint : 3D documentation Upper Jurassic
Flint Raurakian : 3D documentation Upper Jurassic - Rauracian
Chocolate' flint : 3D documentation Upper Jurassic
Chocolate' flint : 3D documentation Upper Jurassic
Chocolate' flint : 2D documentation Upper Jurassic
Chocolate' flint : 2D documentation Upper Jurassic