RHODOPHYTA : Ceramiales : CallithamniaceaeRED ALGAE

Seirospora interrupta (J E Smith) Schmitz


Description: Thallus filamentous, erect to 12 cms long and finely branched and tufted. Older parts corticate

Habitat: Epilithic, epizois and epilithic. Sublittoral to 20 m depth.

Distribution: Widely distributed in the British Isles including the Shetlands. Europe: the Mediterranean, Portugal, Spain, France, the Baltic, Netherlands and Norway. Atlantic coast of North America: Canada, Massachusetts to New Jersey. Further afield: Canary Islands.

Similar Species: Aglaothamnionm tenuissimum (Bonnemaison) Feldmann-Mazoyer

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

iNaturalist: Seirospora interrupta at iNaturalist World Species Observations database.

WoRMS: Seirospora interrupta at World Register of Marine Species.

Previous species Next species
 Morton, O., Keatley, L., Morrow, C.C. & Picton, B.E. (2026). Seirospora interrupta. (J E Smith) Schmitz. [In] Encyclopedia of Marine Life of Britain and Ireland.
https://habitas.org/mbdp/species.php?item=ZM9080. Accessed on 2026-11-01