Coral-stromatopore bioherms in Schrattenkalk
(up to 4 m thickness and 50 m width).
Basement are rudist (requienid) limestones.
Ref. 1159
Chaetetids, stromatopores, and other sclerosponges.
4 coral species, microbial crusts, corallinacean crusts.

According to ref. 1514 thirty coral species present. 98 % colonial forms.
High debris, very rare in situ framestones.