Porphyrostromium ciliare
- kingdom: Plantae
- phylum: Rhodophyta
- class: Compsopogonophyceae
- order: Erythropeltidales
- family: Erythrotrichiaceae
- genus: Porphyrostromium
- species: Porphyrostromium ciliare
- Eastbourne
- Herne Bay
England
United Kingdom- Bridgeport
Connecticut
United States