The White Sea Biological Station of Lomonosov Moscow State University (WSBS) issued the catalogue of Biota of WSBS surroundings. It includes all registered marine, freshwater, terrestrial and parasitic species inhabiting 40 km2 WSBS surroundings. There are 6008 species in the catalogue. The list of nematodes based on data of 14 investigators includes 139 species: 127 marine free-living, 9 sea animal parasites, and 3 marine invertebrate symbionts. 75 nematode species are sublittoral, 57 – littoral, and 7 – supralittoral. There is luck of data on the soil fauna. 27 species are considered as mass, 60 – common, and 48 – rare. New species descript from the WSBS account 18 % of the list. In 2010 the catalogue was transferred to WSBS website easy to complete and edit.