The Jurassic limestone of the Côte includes a pink-veined marble called Pierre de Comblanchien which was laid down in the Bathonian epoch.
Laycock Railway Cutting is the best single exposure of the Bathonian ’Fuller's Earth Rock’ in South Somerset.
It is known from a nearly complete skeleton with a skull found at Wawmda, in the Middle Jurassic (Bathonian-Callovian) Tiougguit Formation, Azilal Province, Tadla-Azilal region, Morocco.
The "Bathonien" of some French geologists differs from the English Bathonian in that it includes at the base the zone of the ammonite Parkinsonia Parkinsoni, which in England is placed at the summit of the Inferior Oolite.
The geology of the area is Cornbrash, the name applied to the uppermost member of the Bathonian stage of the Jurassic formation.
It lived during the Bathonian to Callovian stages, around 165 million years ago, some 20 million years before its famous relative, Stegosaurus appeared in North America.
During the Middle Jurassic, Bathonian and Callovian, the stretching of the crust between North and South America created a broad basin within the continental crust that opened initially to the Pacific Ocean and later to the Atlantic Ocean.