Heger, Thierry J.Booth, Robert K.Sullivan, Maura E.Wilkinson, David M.Warner, Barry G.Asada, TaroMazei, YuriMeisterfeld, RalfMitchell, Edward A. D.2011-12-162011-12-162011-12-16201110.1111/j.1365-2699.2011.02528.xhttps://infoscience.epfl.ch/handle/20.500.14299/73537WOS:000295052300005Aim The question whether free-living protists are generally cosmopolitan is currently a matter of debate. In this study we investigate the geographical distribution of a distinctive testate amoeba species, Nebela ansata, and use our data to assess the potential for highly restricted distribution patterns in some protist species.Biodiversitybiogeographyconservation biogeographyeastern North Americaendemismmicrobial diversityNebela ansataprotisttestate amoebaetext::journal::journal article::research article