''Perkinsela'' is a genus of

kinetoplastid Kinetoplastida (or Kinetoplastea, as a class) is a group of flagellated protists belonging to the phylum Euglenozoa, and characterised by the presence of an organelle with a large massed DNA called kinetoplast (hence the name). The organisms are ...

s. Species are obligate intracellular components of

Neoparamoeba ''Neoparamoeba'' is a genus of Amoebozoa. Species contain intracellular kinetoplastid parasites, of the genus '' Perkinsela'', which are maintained in close contact with the nucleus and are considered obligatory and mutualistic. References ...

and their relationship is considered mutualistic.

References

Euglenozoa genera Kinetoplastids {{Excavata-stub