Nematodes from terrestrial and freshwater habitats in the Arctic Author Holovachov, Oleksandr text Biodiversity Data Journal 2014 2 1165 1165 http://dx.doi.org/10.3897/BDJ.2.e1165 journal article http://dx.doi.org/10.3897/BDJ.2.e1165 1314-2828-2-1165 Diplogaster rivalis (Leydig, 1854) Notes Lena River estuary, Russia ( Gagarin 2001b ).