Complex sentence: In the Engadin window, remnants are found in the Pfundser zone and in the Tauern window the "Obere Schieferhülle"; at the northern margin of the Alps the remnants are called Rhennodanubic flysch.
Split into simpler sentences: In the Engadin window remnants are found in the Pfundser zone. At the northern margin of the Alps the remnants are called Rhennodanubic flysch.