Jerzy Fedorowski

• Lower Permian colonial rugose corals, western and northwestern Pangaea
• Aulophyllidae (tetracoralla) from the Upper Viséan of Sudetes and Holy Cross Mountains
• Lower permian tetracorolla of Hornsund, Vestspitsbergen
• The lower Permian Tetracoralla- and Tabulata from Treskelodden, Vestspitsbergen
• Upper Palaeozoic rugose corals from southwestern Texas and adjacent areas, Gaptank formation and Wolfcampian corals =
• Ziemia