Name: Trigonia costata Period: Jurassic, Bajocium, blagdeni layers Origin: Ringsheim, Baden-Württemberg, Germany An exceptionally well-preserved shell of the genus Trigonia costata. The finest details are visible. Professional preparation by sand blasting. Please note the small supplement marked with a red circle. The specimen was not glued, the Trigonia shows a natural ventilation on a crack, which was professionally filled. An extraordinary and very rarely offered exhibit of a classic location! The find layer is currently no longer open. Insured shipping with DHL in shatterproof box. Supplied without stand / mount. Combined international shipping possible. See also my other auctions to save shipping costs.