Oxfordian

Rock type: 
Age: 
163 millions years

Russia, Caucasus, Karachay-Cherkess Republic, Gumbashi pass. Limestones, sandy limestones, dolomitic limestones, dolostones, marl interbeds. Gerpegemskaya series. Fossil: Quenstedtoceras cf. brasili Douv., Perisphinctes sp., "Rhynchonella" spatica Douv., Zeilleria balkarensis Moiss., Z adygensis Moiss., Radulopecten subinaequicostatus Kas., R fibrosodichotomus Kas., Trigonia planulata Ag., Chlamys viminea Sow., Avicula argoviensis Moesch., Lima malkensus Pcel., Aviculoperna caucasica Pcel., Kosmoceras dagestanicum Kas., Lima duplicata Sow., Loboidothyris zeiteni Lor., Rhactorhynchia aff.

Rock type: 
Age: 
163 millions years

Russia, Caucasus, Karachay-Cherkess Republic, Gumbashi pass. Limestones, sandy limestones, dolomitic limestones, dolostones, marl interbeds. Gerpegemskaya series. Fossil: Quenstedtoceras cf. brasili Douv., Perisphinctes sp., "Rhynchonella" spatica Douv., Zeilleria balkarensis Moiss., Z adygensis Moiss., Radulopecten subinaequicostatus Kas., R fibrosodichotomus Kas., Trigonia planulata Ag., Chlamys viminea Sow., Avicula argoviensis Moesch., Lima malkensus Pcel., Aviculoperna caucasica Pcel., Kosmoceras dagestanicum Kas., Lima duplicata Sow., Loboidothyris zeiteni Lor., Rhactorhynchia aff.

Rock type: 
Age: 
163 millions years

Russia, Caucasus, Karachay-Cherkess Republic, Gumbashi pass. Limestones, sandy limestones, dolomitic limestones, dolostones, marl interbeds. Gerpegemskaya series. Fossil: Quenstedtoceras cf. brasili Douv., Perisphinctes sp., "Rhynchonella" spatica Douv., Zeilleria balkarensis Moiss., Z adygensis Moiss., Radulopecten subinaequicostatus Kas., R fibrosodichotomus Kas., Trigonia planulata Ag., Chlamys viminea Sow., Avicula argoviensis Moesch., Lima malkensus Pcel., Aviculoperna caucasica Pcel., Kosmoceras dagestanicum Kas., Lima duplicata Sow., Loboidothyris zeiteni Lor., Rhactorhynchia aff.

Rock type: 
Age: 
163 millions years

Russia, Caucasus, Karachay-Cherkess Republic, Gumbashi pass. Limestones, sandy limestones, dolomitic limestones, dolostones, marl interbeds. Gerpegemskaya series. Fossil: Quenstedtoceras cf. brasili Douv., Perisphinctes sp., "Rhynchonella" spatica Douv., Zeilleria balkarensis Moiss., Z adygensis Moiss., Radulopecten subinaequicostatus Kas., R fibrosodichotomus Kas., Trigonia planulata Ag., Chlamys viminea Sow., Avicula argoviensis Moesch., Lima malkensus Pcel., Aviculoperna caucasica Pcel., Kosmoceras dagestanicum Kas., Lima duplicata Sow., Loboidothyris zeiteni Lor., Rhactorhynchia aff.

Rock type: 
Age: 
157 millions years

Russia, Caucasus, Karachay-Cherkess Republic, Kich-Malka river valley. Dolomitic sandy limestones, recrystallized stromatopore reefs. Fossil: Aspidoceras oegiri Opp., Limatula gerassimovi Pcel., Camptonecies grenieri Contej. Upper Jurassic. Oxfordian, Kimmeridgian.

Rock type: 
Age: 
157 millions years

Russia, Caucasus, Kabardino-Balkarian Republic, Chegem River Gorge. Light gray, tan, non-layered limestones. Thickness - 50 meters. Fossil: Exogyra bruntrutana Thurm., Diceras (Plesiodiceras) valfinense Boehm. Upper Jurassic. Oxfordian.