Azores Canaries Madeira for Chaetomorpha aerea (Dillwyn) Kützing, 1849 
Baltic Sea for Chaetomorpha aerea (Dillwyn) Kützing, 1849 
Black Sea for Chaetomorpha aerea (Dillwyn) Kützing, 1849 
Celtic Seas for Chaetomorpha aerea (Dillwyn) Kützing, 1849 
Faroe Plateau for Chaetomorpha aerea (Dillwyn) Kützing, 1849 
Mediterranean Sea for Chaetomorpha aerea (Dillwyn) Kützing, 1849 
North Sea for Chaetomorpha aerea (Dillwyn) Kützing, 1849 
Northern Norway and Finnmark for Chaetomorpha aerea (Dillwyn) Kützing, 1849 
Saharan Upwelling for Chaetomorpha aerea (Dillwyn) Kützing, 1849 
South and West Iceland for Chaetomorpha aerea (Dillwyn) Kützing, 1849 
South European Atlantic Shelf for Chaetomorpha aerea (Dillwyn) Kützing, 1849 
Temperate Northern Atlantic for Chaetomorpha aerea (Dillwyn) Kützing, 1849 

 Classification

 for Jania cristata (Linnaeus) Endlicher

It is still uncertain whether to consider Jania cristata as a separate species or as a variety of J. rubens. [details]