Very large table-like colonies, branches completely fused with some occasional and sparse upwards branching.

Colony shape: Table

Colony layout: Orderly

Branch thickness: Branchless

Axial corallites: Tubular that do not differ from radial ones and very few.

Radial corallites: Tubular appressed on the upper face, close to each other and of the same size.

Coenosteum: Rough

Polyp extension: Poor