1. The final age in the Devonian period, preceded by the Frasnian, followed by the Hastarian age (Carboniferous), and dated at 374.5–359.2 Ma ago (Int. Commission on Stratigraphy, 2004).

2. The name of the corresponding European stage, which is roughly contemporaneous with the upper Hervyan (Australia) and the Chautauquan (N. America).