dbo:abstract |
The hymenostomes are an order of ciliate protozoa. Most are free-living in freshwater, such as the commonly studied genus Tetrahymena, but some are parasitic on fish or aquatic invertebrates. Among these is the important species Ichthyophthirius multifiliis, a common cause of death in aquaria and fish farms. The hymenostomes are fairly typical members of the Oligohymenophorea. Their body cilia are mostly uniform, sometimes with a few long caudal cilia, and arise from monokinetids or from dikinetids at the anterior. The oral cilia are in general distinctly tetrahymenal, with three membranelles and a paroral membrane, which corresponds only to the middle segment of the tripartite membranes found in certain scuticociliates. Mouth formation during cell division usually begins next to a postoral kinety. The hymenostomes were first defined by Delage & Hérouard in 1896. Initially the scuticociliates and peniculids were included, then later treated as separate orders of a subclass Hymenostomatia, to which the astomes are sometimes added. More recently each of these groups tends to be treated as a separate subclass. (en) |
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wiki-commons:Special:FilePath/Tetrahymena_thermophila.png?width=300 |
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dbr:Membranelle dbr:Aquarium dbr:Peniculid dbr:Scuticociliate dbr:Ciliate dbr:Astome dbc:Oligohymenophorea dbr:Edgard_Hérouard dbr:Monokinetid dbr:Tetrahymena_thermophila dbr:Tetrahymenidae dbr:Ichthyophthirius_multifiliis dbr:Dikinetid dbr:Oligohymenophorea dbr:Fish_farming dbr:Protozoa dbr:Tetrahymena dbr:Delage_(biologist) dbr:Ophryoglenina dbr:Peniculina dbr:Tetrahymenina |
dbp:authority |
Delage & Hérouard 1896 (en) |
dbp:imageCaption |
Tetrahymena thermophila (en) |
dbp:name |
Hymenostomes (en) |
dbp:subdivision |
Curimostomatidae (en) Glaucomidae (en) Ichthyopthiriidae (en) Ophryoglenidae (en) Suborder Ophryoglenina (en) Suborder Peniculina (en) Suborder Tetrahymenina (en) Tetrahymenidae (en) Turaniellidae (en) |
dbp:subdivisionRanks |
Typical families (en) |
dbp:taxon |
Hymenostomatida (en) |
dbp:wikiPageUsesTemplate |
dbt:Automatic_taxobox dbt:One_source dbt:Reflist dbt:Short_description dbt:Taxonbar dbt:Ciliate-stub |
dct:subject |
dbc:Oligohymenophorea |
gold:hypernym |
dbr:Order |
rdf:type |
dbo:Eukaryote yago:WikicatCiliates yago:Ciliate101395254 yago:LivingThing100004258 yago:Microorganism101326291 yago:Object100002684 yago:Organism100004475 yago:PhysicalEntity100001930 yago:Protoctist101387065 yago:Protozoan101389507 dbo:Insect yago:Whole100003553 umbel-rc:BiologicalLivingObject umbel-rc:EukaryoticCell |
rdfs:comment |
The hymenostomes are an order of ciliate protozoa. Most are free-living in freshwater, such as the commonly studied genus Tetrahymena, but some are parasitic on fish or aquatic invertebrates. Among these is the important species Ichthyophthirius multifiliis, a common cause of death in aquaria and fish farms. (en) |
rdfs:label |
Hymenostome (en) |
owl:sameAs |
freebase:Hymenostome yago-res:Hymenostome wikidata:Hymenostome https://global.dbpedia.org/id/2P5yM |
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wikipedia-en:Hymenostome?oldid=1079458768&ns=0 |
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wiki-commons:Special:FilePath/Tetrahymena_thermophila.png |
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wikipedia-en:Hymenostome |
is dbo:order of |
dbr:Glaucoma_(ciliate) |
is dbo:wikiPageRedirects of |
dbr:Hymenostomatida dbr:Hymenostomatia |
is dbo:wikiPageWikiLink of |
dbr:Peniculid dbr:Ciliate dbr:Colpidium_colpoda dbr:Glaucoma_(ciliate) dbr:Hymenostomatida dbr:Edgard_Hérouard dbr:Hymenostomatia |
is dbp:ordo of |
dbr:Glaucoma_(ciliate) |
is foaf:primaryTopic of |
wikipedia-en:Hymenostome |