Polychaos is an amoeboid genus in the

Amoebozoa Amoebozoa is a major taxonomic group containing about 2,400 described species of amoeboid protists, often possessing blunt, fingerlike, lobose pseudopods and tubular mitochondrial cristae. In traditional and currently no longer supported classi ...

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 ellipsoid.

Classification

''Polychaos'' includes the following species: * ''Polychaos annulatum'' (Pénard 1902) Smirnov & Goodkov 1998 * '' Polychaos dubium'' (Schaeffer, 1916) Schaeffer 1926 * ''Polychaos fasciculatum'' (Penard, 1902) Schaeffer 1926 * ''Polychaos nitidubium'' Bovee, 1970 * ''Polychaos timidum'' Bovee, 1972 Phylogenetic analysis has shown this that genus belongs to the family Hartmannellidae.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. J Eukaryot Microbiol

References

Amoebozoa genera {{Amoebozoa-stub