Nematodes from terrestrial and freshwater habitats in the Arctic Holovachov, Oleksandr Biodiversity Data Journal 2014 2 1165 1165 87MGJ 312544 Thorne, 1939 Thorne 1939 Enoplea Alaimidae Alaimus CoL Animalia Alaimus arcuatus Enoplida 0 1165 Nematoda species arcuatus  Notes Svalbard ( Loof 1971); Taymyr and Severnaya Zemlya, Russia ( Kuzmin and Gagarin 1990).