Sandstone

Russia, Caucasus, Stavropol Territory, Kislovodsk. Ferruginous, red, brown, calcareous sandstones. The layer at the base of the Kichmalkinskoy series. Thickness - 10 meters. Fossil: Saynella cf. suessi Simion., Matheronites soulieri Math., Euphylloceras ponticuli Rouss., Phyllopachyceras infundibulum Orb., Leptoceras diplex Koen., Colchidites ellipticus Rouch., Heteroceras astieri Orb., H. obliguatum Orb., Imerites densecostatus Renng., Barbatia aptiensis Pict. et Camp., Panopaea zeichi Maas., Solarium subornatum Pcel., Pleurotomaria aff. daghestanica Anth., Heteraster cf. couloni Agass. Lower Cretaceous. Barremian.