Description: Thallus small and filamentous, erect and finely branched to 0.8 (-2) cms long. In larger thalli rhizoidal filaments grow downwards within the walls forming a cortex.

Habitat: Rare. Epiphytic and epilithic in the sublittoiral to depths of 30 m.

Distribution: Few records in the British Isles. Europe: France, Norway and the Faroes.

Similar Species: All species of Aglaothamnion and Callithamnion are similar and not easy to identify.

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

iNaturalist: Aglaothamnion priceanum at iNaturalist World Species Observations database.

WoRMS: Aglaothamnion priceanum at World Register of Marine Species. Accepted name: Aglaothamnion priceanum Maggs, Guiry & Rueness, 1991. AphiaID: 144497.

Classification: Biota; Plantae; Biliphyta; Rhodophyta; Eurhodophytina; Florideophyceae; Rhodymeniophycidae; Ceramiales; Callithamniaceae; Callithamnioideae; Callithamnieae; Aglaothamnion