Description: Thalli prostrate, grows to 1.5 cms long. Branches in whorls, delicate. Gland cells borne on whorl-branches and branchlets, typically one or more per whorl-branch.

Habitat: Epizoic on bryzoa at 26 to 31 m deep.

Distribution: Known only from Rockall.

Key Identification Features:

• The gland cells are an important feature.

Distribution Map from NBN: Scagelia pylaisei at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Scagelia pylaisei at iNaturalist World Species Observations database.

WoRMS: Scagelia pylaisei at World Register of Marine Species.