Complex sentence: In 2004 a new species was added to the genus, Pelomyxa corona, which resembles "Pelomyxa palustris" but features, among other differences, a distinct hyaline crown in the anterior pseudopod.
Split into simpler sentences: In 2004 a new species was added to the genus: "Pelomyxa corona". It resembles "Pelomyxa palustris" but features, among other differences, a distinct hyaline crown in the anterior pseudopod.