2005  Nikolava & Bogosovskii: 44, at Kiya River. 900 m above Grebeshok Rock. Middle and late delphinus, annulata and                      serpentina  Zones, genozones  Clymenia-Gonioclymenia, Wocklumeria-Kalloclymenia. Section situated at steep
               right bed of Kiya River at Grebeshok Rock, 25 m above water level.