Cymodoce zone

Two reefal units separated by marls and shell coquinas.
Abundant terrigenous debris present.

Mainly scleractinian corals (Calamnophylliopsis) and solenoporacean algae, large component of thrombolite
Diverse encruster guild with demosponges, brachiopods, serpulids, cyclostome bryozoans, cemented bivalves

Up to 70% of reef framework is microbial

Ref. 2172: Description of large reef caves
