| Chilomastix |
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| Electron micrograph of Chilomastix cuspidata. The "9+2" axoneme and the enclosing membrane can be seen, the flagellum has two vanes. |
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| Scientific classification |
| Domain: |
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| (unranked): |
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| Phylum: |
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| Class: |
Retortamonadea |
| Order: |
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| Family: |
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| Genus: |
Chilomastix
Aléxéieff, 1910 |
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| Species |
- C. aulostomi Bělař 1921
- C. bandicooti Todd 1963
- C. bettencourti da Fonseca 1915
- C. bocis Aléxéieff 1912
- C. bursa Moskowitz 1951
- C. caprae da Fonseca 1915
- C. caulleryi (Aléxéieff 1909) Aléxéieff 1910
- C. cuniculi da Fonseca 1916
- C. cuspidata (Larsen & Patterson 1990) Bernard et al. 1997
- C. echinorum Powers 1936
- C. equi Abraham 1961
- C. gadrii Krishnamurthy 1970
- C. gallinarum Martin & Robertson 1911
- C. giganta Nie 1948
- C. graecae Navarathnam 1971
- C. granatensis Rodríguez López-Neyra & Suárez-Peregrín 1932
- C. hemidactyli Madre 1979
- C. hyderabadensis Todd 1963
- C. intestinalis Kuczynski 1914
- C. instabilis Crouch 1936
- C. kudoi
- C. magna Becker 1926
- C. megamorpha Abraham 1961
- C. mesnili
- C. motellae
- C. muris
- C. navasi da Fonseca 1940
- C. nigricollisi Todd 1963
- C. olympioi
- C. osmaniae Navarathnam 1971
- C. palmari Todd 1963
- C. peccarii
- C. quadrii
- C. rosenbuschi da Fonseca 1916
- C. simiae
- C. suis
- C. tarsii Porter 1952
- C. undulata Skuja 1956
- C. wenrichi Nie 1948
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| Synonyms |
- Macrostoma Aléxéieff 1909 non Risso 1826 non Hedwig 1806 non Latreille 1825 non Griffith 1836 non Agassiz 1839
- Cyathomastix Prowazek & Werner 1915
- Tetrachilomastix (da Fonseca 1915) da Fonseca 1920
- Chilomastix (Tetrachilomastix) da Fonseca 1915
- Fanapepea Prowazek 1911
- Difamus Gäbel 1914
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Chilomastix is a genus of pyriform excavates within the family Retortamonadidae. All species within this genus are flagellated, structured with three flagella pointing anteriorly and a fourth contained within the feeding groove. Chilomastix also lacks Golgi apparatus and mitochondria but does possess a single nucleus. The genus parasitizes a wide range of vertebrate hosts, but is known to be typically non-pathogenic, and is therefore classified as harmless. The life cycle of Chilomastix lacks an intermediate host or vector. Chilomastix has a resistant cyst stage responsible for transmission and a trophozoite stage, which is recognized as the feeding stage. Chilomastix mesnili is one of the more studied species in this genus due to the fact it is a human parasite. Therefore, much of the information on this genus is based on what is known about this one species.