Songzi Hubei

Fenxiang Formation

Community Batostoma Community I—Calathium-blue-green algae Community zone—Archaeoscyphia Community zone—Batostoma Community zone II

Community Batostoma Community zone II, Archaeoscyphia Community zone, Calathium-blue-green algae Community zone, Batostoma Community zone II

Honghuayuan Formation

One sections

Two sections

Sea Lily barrier reef—Algae-Calathium bonding-Barrier reef—Bryozoa barrier reef

Calathium bonding-barrier reef

Nanjinguan Formation

Pelmatozoan community, Pelmatozoan-Crustacean Cyanobacteria, Pelmatozoan-Silicified Sponge-Cyanobacteria community, echinoderm-blue-green algae community