Different composition than reef 1879.
Other similar reef is Yushitan.
Large colonial corals Subalvealites, Favosites, Mesosolenia, Heliolites, Halysites and rich small solitary rugosa.

Rare stromatoporoids, some microbial binding
Biostromal base, framework-dominated reef core, micritic reef top

Yushitan with even more diverse corals:
Subalvealites, Favosites, Riphaeolites, Falsicatenipora, Fletcheriella, Syringopora, Propora, Miculiella, Mucophyllum, Tabularia, Shensiphyllum, Pilophyllia, Idiophyllum, Gyalophyoides