uppermost Famennian Milankovitch Cyclicity - Drewer Sandstone (pre-Hangenberg regression) - anoxic Hangenberg Black Shale Event (lower Hangenberg Crisis Interval) - Hangenberg Regression with early postextinction goniatites (middle Hangenberg Crisis Interval) - Stockum Limestone equivalents (Upper Hangenberg Crisis Interval) - D/C boundary and cyclic Lower Tournaisian with pelagic fauna - euxinic global Lower Alum Shale Event with phosphorite-rich black shale (Middle Tournaisian) - Erdbach Limestone equivalents (Upper Tournaisian) - type locality of various ammonoids, trilobites, ostracods, and corals - gamma ray, magneto- and stable element chemostratigraphy - possible future D-C boundary GSSP section