Ventrata
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  | |
| Kingdom: | Chromista |
| Subkingdom: | Harosa |
| Infrakingdom: | Halvaria |
| Superphylum: | 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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References
- Cavalier-Smith, Thomas (2004). "Chromalveolate Diversity and Cell Megaevolution: Interplay of Membranes, Genomes and Cytoskeleton". In Hirt, Robert P.; Horner, David S. (eds.). Organelles, Genomes and Eukaryote Phylogeny: An Evolutionary Synthesis in the Age of Genomics. Systematics Association Special Volumes Series. Vol. 68 (1st ed.). CRC Press. pp. 75–108. doi:10.1201/9780203508930. ISBN 0415299047.
- Gao, Feng; Warren, Alan; Zhang, Qianqian; Gong, Jun; Miao, Miao; Sun, Ping; Xu, Dapeng; Huang, Jie; Yi, Zhenzhen (2016-04-29). "The All-Data-Based Evolutionary Hypothesis of Ciliated Protists with a Revised Classification of the Phylum Ciliophora (Eukaryota, Alveolata)". Scientific Reports. 6: 24874. Bibcode:2016NatSR...624874G. doi:10.1038/srep24874. ISSN 2045-2322. PMC 4850378. PMID 27126745.
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