Only corals mentioned.
8 species in reef frame, table reef.
Astraeomorpha, Retiophyllia, Heterastrea, Protoheterastrea, Volzeia, Margarosmilia are the genera of Mine Verhny.
15 % 'hydroids'
25 % sponges
10 % corals
20 % algae
30 % mollusca and others

Other reefs in area are Sakharnaya Mountain, Verkhnij Rudnik, Bolnichnaya Mountain, Kamennya Vorota, Partizansky Massif.

Upper Carnian to Rhaetian corals:
Volzeia badiotica - upper Carnian
Margarosmilia charlyana - lower Norian
Gablonzeria kiparisovae - middle Norian
Meandrostylis tener - upper Norian
Retiophyllia buonamici - Rhaetian