Parabasalid

The parabasalids are a group of flagellated protists within the supergroup Excavata. Most of these eukaryotic organisms form a symbiotic relationship in animals. These include a variety of forms found in the intestines of termites and cockroaches, many of which have symbiotic bacteria that help them digest cellulose in woody plants. Other species within this supergroup are known parasites, and include human pathogens.

Parabasalid
Two trophozoites of Trichomonas vaginalis stained with Giemsa
Scientific classification
Domain: Eukaryota
Phylum: Metamonada
Subphylum: Trichozoa
(unranked): Parabasalia
Honigberg 1973
Orders
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