In 1926, Asa A. Schaeffer argued that Pelomyxa carolinensis was, in fact, identical to the amoeba that had been seen by Rösel in 1755, the "little Proteus" which Linnaeus had named Chaos chaos.
En 1926, Asa A. Schaeffer argumentou que Pelomyxa carolinensis era, de feito, idéntica á ameba que Rösel viu en 1755, a "pequena Proteus" que Linneo chamou Chaos chaos.