1 A northern European interglacial stage dating from about 0.6–0.55 Ma ago. It coincides approximately with the Günz/Mindel interglacial of the Alps.
2 Temperate deposits of Middle Pleistocene age found at West Runton, Norfolk, England. Estuarine sands and silts, and freshwater peat (Upper Freshwater Bed), with a temperate-forest flora, are succeeded by glacial deposits. It is not possible to correlate them with continental European deposits.