The late Barremian Halimedides horizon of the Dolomites (Southern Alps, Italy)

► The Halimedides horizon is a new marker level. ► The Halimedides horizon is described for the first time from the Southern Alps. ► The Halimedides horizon is clearly linked to sea-level changes. ► The Halimedides horizon can be correlated with other Mediterranean localities. ► It marks a widespread Mediterranean late Barremian hiatus.