''Ancyromonas'' is a genus of basal

Eukaryote Eukaryotes () are organisms whose cells have a nucleus. All animals, plants, fungi, and many unicellular organisms, are Eukaryotes. They belong to the group of organisms Eukaryota or Eukarya, which is one of the three domains of life. Bacte ...

consisting of

heterotrophic A heterotroph (; ) is an organism that cannot produce its own food, instead taking nutrition from other sources of organic carbon, mainly plant or animal matter. In the food chain, heterotrophs are primary, secondary and tertiary consumers, but ...

flagellates A flagellate is a cell or organism with one or more whip-like appendages called flagella. The word ''flagellate'' also describes a particular construction (or level of organization) characteristic of many prokaryotes and eukaryotes and their ...

. It includes the species ''Ancyromonas sigmoides'', first described by Saville Kent in 1880. The genus was rediscovered in modern times by Hänel in 1979. They are about 5 μm long and live in both marine and freshwater habitats with a global distribution. In 2008, Cavalier-Smith et. al proposed the reassignment of all known species of ''Ancyromonas'' into a new genus, ''Planomonas''. ''Planomonas'' has since been described as a junior synonym of ''Ancyromonas''. ''Ancyromonas'' does not belong to any of the eukaryotic supergroups, and they appear more basal than

Malawimonas ''Malawimonas'' is a Loukozoa genus, possible sister of the Podiata. History of the discovery of Malawimonads In 1993, Charles J O’ Kelly studied the jakobid groups flagellates and implications for the early diversification of eukaryotes and ...

, placing them in Loukouzoa, possibly relatives of podiates, and depending on the placement of the root position of the Eukaryotes.

References

Scotokaryotes Eukaryote genera {{Eukaryote-stub