Polychaos is an amoeboid genus in the Amoebozoa group. Several characters unite the species in this genus. The pseudopods meld at their bases when the organism is moving, and have dorsal, longitudinal ridges. The nucleus is oval or ellipsoidal.
12Lee, J.J.; Hutner, S.H.; Bovee, E.C., eds. (1985). Illustrated Guide to the Protozoa. Lawrence, Kansas: Society of Protozoologists. pp.ix + 630 pages.
↑Kamyshatskaya OG, Bondarenko NI, Mesentsev YS, Chistyakova LV, Nassonova ES, Smirnov AV (2020). "Molecular phylogeny of Polychaos annulatum (Amoebozoa, Tubulinea, Euamoebida) shows that genus Polychaos belongs to the family Hartmannellidae". Journal of Eukaryotic Microbiology. 67 (3): 321–326. doi:10.1111/jeu.12782. PMID31903652. S2CID209895966.