Tabulate and rugose corals, stromatopores (or algae?).
Diverse corals in reef trend:
Tabulata: Archaesphaera minima
A. crassa
Parathurammina dogmarae
Salpingothurammina tuberculata
S. horrida
Paracaligella antropovi
Neoarchaesphaera polypora
Eonodosaria evlanensis
Multiseptida coralina
Thamnopora boloniensis
Cladopora vermicularis
Crassialveolites domrachevi
Abundant Alveolitella and variety of Scoliopora denticulata and other species. 