Description: Thallus with terete main axes erect to 30 cms high. Lateral branches arranged spirally. Axes with terminal depression with thick-walled medullary cells, subcortex and outer cortex.

Habitat: Very rare. Epiphytic, near extreme low water in rock pools.

Distribution: Only on the southern shores of the British Isles: Dorset, Isles of Scilly and the Channel Isles. Europe: France.

Similar Species: Laurencia obtusa.

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

iNaturalist: Laurencia pyramidalis at iNaturalist World Species Observations database.

WoRMS: Laurencia pyramidalis at World Register of Marine Species. Accepted name: Laurencia pyramidalis Bory de Saint-Vincent ex Kützing, 1849. AphiaID: 144831.

Classification: Biota; Plantae; Biliphyta; Rhodophyta; Eurhodophytina; Florideophyceae; Rhodymeniophycidae; Ceramiales; Rhodomelaceae; Laurencieae; Laurencia