Ventrata
Taxon of ciliates with
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Ventrata is an infraphylum of ciliates inside the subphylum Intramacronucleata that unites the classes Phyllopharyngea, Colpodea, Nassophorea, Prostomatea, Plagiopylea and Oligohymenophorea.[1] It is equivalent to the clade CONthreeP or Conthreep recovered by phylogenetic analyses.[2]
| Ventrata | |
|---|---|
| |
| Paramecium caudatum | |
Scientific classification  | |
| Domain: | Eukaryota |
| Clade: | Sar |
| Clade: | Alveolata |
| Phylum: | Ciliophora |
| Subphylum: | Intramacronucleata |
| Infraphylum: | Ventrata Cavalier-Smith 2004 |
| Classes[1] | |
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Description
Members of this taxon are characterized by having, ancestrally, a ventral cytopharynx,[1] as the name suggests.
Phylogeny
The monophyly of CONthreeP is well supported, being placed as sister to Protocruziea.[2] The order Discotrichida, belonging to class Nassophorea, has been recovered as the earliest branch of the clade.[2]
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