Echinoderms: 



Caudina arenata 



Gould 



Ophiura robusta Ayres 



III. High salinity, subtidal epifauna, solid substrate 

 Sponges: 



Halichondria sp. 



Chalina oculata Pallas 

 Coelenterates: 



Metridium dianthus Ellis 



Urticlna crassicornis Mliller 



Obelia spp. 



Sertularia spp. 

 Polychaete worms: 



Harmathoe imbricata Linnaeus 



Lepidonotus squamatus Linnaeus 



Spirorbis borealis Daudin 

 Molluscs: 



Hiatella arctica Linnaeus 

 Anomia simplex Orbigny 

 Anomia aculeata Gmelin 

 Ischnochiton ruber Linnaeus 

 Aeolidia papillosa Linnaeus 

 Odostomia bisuturalis Say 

 Crustaceans: 



Balanus crenatus Bruguiere 

 Idothea baltica Pallas 

 Idothea phosphorea Harger 

 Aeginella longicornis Kroyer 

 Gammarus marinus Leach 

 Gammarus annulatus Smith 

 Echinoderms: 



Asterias vulgaris Verrill 

 Asterias forbesi Desor 

 Henricia sanguinolenta O . F . Muller 

 Ophiopholis aculeata Linnaeus 

 Gorganocephalus arcticus Leach 

 Cucumaria frondosa Gunnerus 

 Strongylocentrotus droehbachiensis O. F. Muller 

 Protochordates: 



Boltenia echinata Linnaeus 

 Amaroucium sp. 

 Didemnum albidum Verrill 

 Dendrodoa carnea Agassiz 



IV . High salinity, intertidal, solid substrate 

 Molluscs: 



Littorina littorea Linnaeus 

 Littorina obtusata Linnaeus 

 Thais lapillus Linnaeus 

 Acmaea testudinalis Muller 

 Mytilus edulis Linnaeus 



sea cucumber 

 brittle star 



dead man's fingers 



sea anemone 

 sea anemone 



scaled worm 

 scaled worm 



jingle shell 



barnacle 



beach flea 



common starfish 

 purple starfish 

 blood starfish 

 brittle star 

 basket star 

 sea cucumber 

 sea urchin 



sea squirt 



periwinkle 

 periwinkle 

 dog whelk 

 limpet 

 common mussel 



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