Comprehensive DescriptionRead full entry
Colony encrusting; or erect, branching. Autozooids with umbonuloid frontal shield, bordered by marginal pores. Orifice bell-shaped or sinuate, often with well developed lateral condyles. Oral spines present or absent. Peristome variably developed. Adventitious avicularia present. Ovicell prominent, imperforate. Mural or basal pore chambers present.
(Hayward and Ryland, 1999)