In. striatoconcentricus Gumb.

Rock type: 
Age: 
90 millions years

Russia, Caucasus, Stavropol Territory, the village of Podkumok. White chalky limestones with smears of calcareous mudstones of greenish-gray. Fossil: Neohibolites ultimus Orb., Inoceramus scalprum Boehm., In. pictus Sow., In. labiatus Schloth., In. hercynicus Petr., In. apicalis Woods., In. cf cuvieri Sow., In. lamarcki Park., In. seitzi Andert., In. wandereri And., In. koeneni Muller., In. crippsi Mant., In. striatoconcentricus Gumb., In. etheridgei Woods., Holastert subglobosus Leske., Inoceramus protractus Scupin., In. glatziae Andert., In.