Info
Nemenzo, 1955
Characters: Colonies are upright, irregular, usually contorted, anastomosing bifacial plates. They are often over one metre across. Columellae are wall-like lobes.
Colour: Deep bluish-grey or brown.
Habitat: May develop into large mound-shaped colonies in shallow water but smaller colonies occur in a wide range of habitats including those exposed to strong wave action.
Abundance: Common.
Similar species: Pachyseris gemmae , Pachyseris involuta






Bo Davidsson, Schweden