Erythrotrichia ciliaris
- kingdom: Plantae
- phylum: Rhodophyta
- class: Compsopogonophyceae
- order: Erythropeltidales
- family: Erythrotrichiaceae
- genus: Erythrotrichia
- species: Erythrotrichia ciliaris
- Arbroath
Scotland
United Kingdom- Bridgeport
Connecticut- Cohasset
- North Scituate
Massachusetts
United States