Ramose and branching corals in pelecypod-rich matrix. Packstone with Columastrea and Placocoenia neuquensis (Up to 30 cm long). Coral incrusted by colonial worms. Rare gastropods and pellets. Boundstones with Amphiastrea with up to 1.2 m in diameter and 1 m height. Some bryozoans.
Bioerosion locally intense, including micrite envelopes