Ventrata Explained

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]

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]

Notes and References

  1. Book: Chromalveolate Diversity and Cell Megaevolution: Interplay of Membranes, Genomes and Cytoskeleton. Thomas. Cavalier-Smith. 75–108. Organelles, Genomes and Eukaryote Phylogeny: An Evolutionary Synthesis in the Age of Genomics. 2004. 0415299047. Systematics Association Special Volumes Series. 68. CRC Press. Robert P.. Hirt. David S.. Horner. 1st. 10.1201/9780203508930.
  2. 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. en. 6. 10.1038/srep24874. 2045-2322. 4850378. 27126745. 24874. 2016NatSR...624874G.

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