Ventrata

 ( Intramacronucleata ) 

Ventrata is an infraphylum of Ciliate 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.

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Description Members of this taxon are characterized by having, ancestrally, a ventral cytopharynx, as the name suggests.

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Phylogeny

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.

Categories: Intramacronucleata

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