Willumsen, N. B.; Siemensma, F.; Suhr-Jessen, P. (1987). A multinucleate amoeba, Parachaos zoochlorellae (Willumsen 1982) comb, nov., and a proposed division of the genus Chaos into the genera Chaos and Parachaos (Gymnamoebia, Amoebidae). Archiv für Protistenkunde. 134(4): 303-313.
A multinucleate amoeba, Parachaos zoochlorellae (Willumsen 1982) comb, nov., and a proposed division of the genus Chaos into the genera Chaos and Parachaos (Gymnamoebia, Amoebidae)