Metamonads

Dysnectes brevis is a member of Fornicata.

Spironucleus is a genus of Diplomonad flagellates that inhabit the digestive tract of a variety of animal hosts.

Trichonympha is a genus of parabasalid protists that live in the intestines of many, if not most, termite species.

Histomonas meleagridis is species of parasitic protozoan that infects a wide range of birds including chickens, turkeys, peafowl, quail and pheasants, causing blackhead disease, infectious enterohepatitis, or histomoniasis.

Dientamoeba fragilis is a single-celled parasite found in the gastrointestinal tract of some humans, pigs and gorillas.

Retortamonas intestinalis is a species of retortamonad which is found in the gastrointestinal tract.

Trichomonas tenax, or oral trichomonas, is a species of trichomonas commonly found in the oral cavity of humans, dogs and cats.

Cthulhu macrofasciculumque is a species of protist.

Trichomonadida is an order of anaerobic protists, included with the parabasalids.

Hexamita is a genus of parasitic diplomonads.

The protozoan Trichomonas gallinae is a cosmopolitan parasite of pigeons and doves.

The retortamonads are a small group of flagellates, most commonly found in the intestines of animals as commensals, although a free-living species called the Chilomastix cuspidata exists.

Pseudotrichomonas keilini is a species of protozoan that was discovered by Ann Bishop in 1939.

A symbiotic eukaryote that lives in the stomach of termites, and other insects, Streblomastix is a protist that helps to digest wood along with other protists.

Retortamonas is a genus of flagellate protozoa that live in the intestines of various animals.

Simplicimonas similis is a species of parabasalid.

Tetratrichomonas undula is a species of parabasalid.

Hexamastix coercens is a species of parabasalid.

Monocercomonoides is a genus of flagellated protozoa belonging to the order Oxymonadida.

Trichomonas is a genus of anaerobic protists that are parasites of vertebrates.

Trichozoa is a group of excavate protists.

The metamonads are a large group of flagellate amitochondriate protozoa.

The Oxymonads are a group of flagellated protozoa found exclusively in the intestines of termites and other wood-eating insects.