Baltic Sea as species in 2005 and 2018 respectively, having formerly been confused with more widespread relatives. The tiny Copenhagen cockle ("Parvicardium hauniense"), a rare mussel, is sometimes considered endemic, but has now been recorded in the Mediterranean. However, some consider non-Baltic records to be misidentifications of juvenile lagoon cockles ("Cerastoderma glaucum"). Several widespread marine species have distinctive subpopulations in the Baltic Sea adapted to the low salinity, such as the Baltic Sea forms of the Atlantic herring and lumpsucker, which are smaller than the widespread forms in the North Atlantic. A peculiar feature of the fauna is that it contains a
Memory of the World Register – Europe and North America giants of literature, science and music, copies of landmark motion pictures and short films, and accounts documenting changes in the world's political, economic and social stage. Of these, 97 properties were nominated by countries from the region of Europe and North America. A. Names and spellings provided are based on the official list released by the Memory of the World Programme. Memory of the World Register – Europe and North America The first inscriptions on the UNESCO Memory of the World Register were made in 1997. By creating a compendium of the world's documentary heritage—manuscripts, oral traditions, audio-visual materials, library