OK, Artemia parthenogenetica is not a true species, just the name given to a bunch of different parthenogenetic populations of Artemia. The correct denomination for this population is 'Artemia diploid parthenogenetic strain', but the name is still in use because no one has formally described it. Marinha da Troncalhada is one of the last refugia in Portugal of the native parthenogenetic strain from the invasive Artemia franciscana:
http://www.fc.up.pt/pessoas/nmonteir/Nuno_Monteiro_Homepage//Publications_files/wetlands.pdf