Oppelia aff. richei Lor.

Rock type: 
Age: 
160 millions years

Russia, Caucasus, Kabardino-Balkarian Republic, Chegem River Gorge. Laminated limestones of brown color. Interlayer of dolostones with chalcedony contractions. Thickness - 55 meters. Fossil: Oppelia aff. richei Lor., Peltoceras choffati Lor. Upper Urassic. Oxfordian.