11. Kimmeridgian limestone from the Jurassic Period is Chablis's distinctive ingredient, formed by fossilized seashells.12. These fast-moving nektonic carnivores lived during the Upper Jurassic period, in the Kimmeridgian age. 13. Remains have been found in the Kimmeridgian ( Upper Jurassic )-age strata of Guimarota, Portugal. 14. Fossil remains are known from the Kimmeridgian ( Upper Jurassic )-age strata of Guimarota, Portugal. 15. The base of the Kimmeridgian is at the first appearance of ammonite species " magnetic anomaly M22An. 16. It lived during the late Jurassic period ( Kimmeridgian stage ), 155 to 152 million years ago. 17. Jens Zinke in 1998 assigned forty-nine teeth from the Kimmeridgian Guimarota formation of Portugal to the genus. 18. It was collected from the Kimmeridgian -aged Tere�es Formation in La Griega Beach of Asturias, northern Spain. 19. It belongs to the Oxfordian and Kimmeridgian clays of the Jurassic and can grow to a diameter in excess of. 20. This rock unit was then seen as dating from the Kimmeridgian specific name means " wedge-shaped " in Latin.
