Protocruziea is a class of

ciliate The ciliates are a group of alveolates characterized by the presence of hair-like organelles called cilia, which are identical in structure to flagellum, eukaryotic flagella, but are in general shorter and present in much larger numbers, with a ...

s in the subphylum

Intramacronucleata Intramacronucleata is a subphylum of ciliates. The group is characterized by the manner in which division of the macronucleus is accomplished during Cell division, binary fission of the cell. In ciliates of this subphylum, division of the macronu ...

References

* Intramacronucleata Ciliate classes {{Ciliate-stub