Rotliegend
The Rotliegend , Rotliegend Group or Rotliegendes is a lithostratigraphic unit ( a sequence of rock strata ) of latest Carboniferous to Guadalupian ( middle Permian ) age that is found in the subsurface of large areas in western and central Europe . 
<triplet> Guadalupian <subj> Permian <obj> part of