Table 2.2.1 



Species and genera shared between the northern Baltic Sea and the coastal 

 waters of Alaska. The list is far from complete. 



Group 



Plants (Flora) : 

 Phaeophyta : 



Chlorophyta : 



Animals (Fauna) : 

 Priapulida : 



Polvchaeta : 



Mo 11 us ca : 



Crustacea : 

 Ostracoda 



Mysidacea 



Isopoda 



Amphipoda 



Decapoda 

 Bryozoa : 



Fish: 



Baltic Sea 



Fucus vesiculosus 



Cladophora glomerata 



Alaska 



same 



same 



Halicryptus spinulosus same 



Pygospio elegans 

 Terebellides stroemi 



Nereis diversicolor 



Macoma balthica 



Mya arenaria 

 Mytilus edulis 



Paracyprideis fennica 



same 

 same 



N . zonata 



same 



Macoma calcarea 



Macoma nasuta 



same 



same 



Most probably circum- 



Heterocyprideis sorbyana polar species also 



present in Alaska 



Mysis relicta 



Saduria entomon 



Pontoporeia af finis 

 Pontoporeia femorata 

 Gammarus zaddachi 

 Gammarus locusta 



Crangon crangon 



Electra crustulenta 

 (syn. Membranipora 

 crustulenta) 



Coregonus nasus 

 Coregonus lavaretus 



Mysis spp. 



same 



same 

 same 

 same 

 same 



C. spp. 

 Membranipora spp . 



same 



Coregonus autumnalis 



Coregonus sardinella 



Myoxocephalus quadricornis same 



Gadus morrhua G. macrocephalus 



Platichtys f lesus P. stellatus 



Clupea harengus membras Clupea harengus pallasi 



35 



