Ventrata
Taxon of ciliates
Ventrata is an infraphylum of ciliates inside the subphylum Intramacronucleata that unites the classes Phyllopharyngea, Colpodea, Nassophorea, Prostomatea, Plagiopylea and Oligohymenophorea. It is equivalent to the clade CONthreeP or Conthreep recovered by phylogenetic analyses.
01Description
Members of this taxon are characterized by having, ancestrally, a ventral cytopharynx, as the name suggests.
02Phylogeny
The monophyly of CONthreeP is well supported, being placed as sister to Protocruziea. The order Discotrichida, belonging to class Nassophorea, has been recovered as the earliest branch of the clade.
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Sources and credits
This article is adapted from the Wikipedia article “Ventrata”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- Paramecium caudatum Ehrenberg, 1833.jpg by Deuterostome, CC BY-SA 3.0
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