For the first time, a Mississippian reef is described from Turkey. Th is microbial-sponge-bryozoan-coral bioherm has been discovered in the Central Taurides (South Turkey), at Kongul Yayla located between Hadim and Taşkent. The bioherm contains a rich and diversifi ed fauna: sponges and rugose corals are of particular interest. | Discovery of a mississippian reef in Turkey: The upper Viséan microbial sponge bryozoan coral bioherm from Kongul Yayla (Taurides, S Turkey)