Limestone horizons IV and V. About 700 m under horizon III.
Locality W34.
Two coral beds separated by 40 m of sandstones. 
'Glanzkohlengruppe'
Dated as early Miocene but younger than the oldest Miocene-Oligocene.
Five coral species described, genera:
Goniopora, Cyathoseris, Leptoseris, Metastraea, Symphyllia.