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About twenty species of scleractinian corals are known from the shallow marine epicontinental deposits (Middle Triassic: Anisian, Muschelkalk) of Krakow-Upper Silesia region. Four of them require taxonomic revision . On the basis of partly preserved micromorphological features and the microstructure of the skeletons two of them are corrected, i.e. Coelocoenia ? assmanni Weissermel, 1925 and C. exporrecta Weissermel, 1925, from Kamien Śląski, near Opole (Upper Silesia). Coelocoenia ? assmanni was incorporated into Eckastraea prisca (Weissermel, 1925), family Eckastraeidae Morycowa, 2006, in Morycowa and Szulc (2006) and C. exporrecta is assigned to a new genus Opolestraea nov. gen., family Eckastraeidae.

Supplemental data on Triassic (Anisian) corals from Upper Silesia (Poland)