Class Rhodophyceae - Red Algae
Algae in which the chlorophyll is often masked by the red pigment phycoerythrin (a red protein from the light-harvesting phycobiliprotein family). The red algae occur in temperate and warm waters at almost all sites along the shore and at various depths in the sea.
- Gelidium latifolium (Greville) Bornet & Thuret Frond
Main branches are flat, ribbon like and bears fine thin branchlets. It is about 8 cm long. It can be found on rocks and in shallow water in Atlantic north to English Channel, south-west Britian and Ireland.

- Ahnfeltia plicata (Hudson) Fries Frond It is 7 to 15 cm long, forming stiff and springy tufts about 10cm wide with a texture reminscent of fine wire. It can be found in pools attached to rocks on the middle and lower shore in the Atlantic, English Channel and North Sea.


Ahnfeltia plicata

Acknowledgements
Andrew Campbell (2005, 2006). Seashores and Shallow Seas of Britain and Europe. China: Bounty Books.
Tomas Hallingbäck. (Year Not Stated). Ahnfeltia plicata. [Photo]. Retrieved August 14, 2008, from http://www.bioresurs.uu.se/