Species composition and biodiversity

For MCR in the UK % Frequency Faithfulness Typical abundance
Phakellia ventilabrum Frequent
Phakellia vermiculata Occasional
Ciocalypta penicillus Occasional
Nemertesia antennina Occasional
Hydrallmania falcata Occasional
Sertularia argentea Occasional
Sertularia cupressina Occasional
Alcyonium digitatum Occasional
Swiftia pallida Frequent
Eunicella verrucosa Occasional
Urticina felina Occasional
Caryophyllia smithii Frequent
Sabellaria spinulosa Frequent
Pomatoceros triqueter Frequent
Pagurus bernhardus Occasional
Cancer pagurus Occasional
Calliostoma zizyphinum Occasional
Modiolus modiolus Occasional
Alcyonidium diaphanum Occasional
Pentapora foliacea Occasional
Crossaster papposus Rare
Asterias rubens Occasional
Ophiothrix fragilis Frequent
Echinus esculentus Occasional
Clavelina lepadiformis Occasional
Polyclinum aurantium Frequent
Molgula manhattensis Occasional
Corallinaceae indet. (Crusts) Frequent

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