Percolozoa

species of free-living excavate form of protist

extremely rare type of amoebiasis that infects the brain

thumb|right|Acrasis rosea amoebae and spores under microscope

Naegleria is a genus consisting of 47 described species of protozoa often found in warm aquatic environments as well as soil habitats worldwide. It has three life cycle forms: the amoeboid stage, the cyst stage, and the flagellated stage, and has been routinely studied for its ease in change from amoeboid to flagellated stages. This genera became famous when Naegleria fowleri, the causative agent of the usually fatal human and animal disease primary amoebic meningoencephalitis (PAM), was discovered in 1965. Most species in the genus, however, are incapable of causing disease.

Heterolobosea or Percolozoa, commonly known as amoebomastigotes, is a phylum of protists including many amoeboflagellates. Naegleria fowleri, the causative agent of the often fatal disease amoebic meningitis, is the only member of this phylum infectious to humans. Typically, their life cycle alternates between flagellate and amoeboid stages.

Stephanopogon is a genus of flagellated marine protist that superficially resembles a ciliate.

Tetramitia is one of the two major subphyla within the protist phylum Heterolobosea (the other is Pharyngomonada).

species of Heterolobosea

Vahlkampfiidae is a family of Heterolobosea.

Schizopyrenida is an order of Heterolobosea.

Percolomonas is a genus of free-living flagellate Heteroloboseans, forming a clade with Stephanopogon.

Vahlkampfia is a genus of amoeboids in Heterolobosea.

Lyromonas is a genus of Excavata unicellular organism.

Percolatea are a class of excavates in the phylum Percolozoa.