Bold ranks show taxa that will be shown in taxoboxes
because rank is principal or always_display=yes.

Ancestral taxa
Domain: Eukaryota /displayed  [Taxonomy; edit]
Clade: Diaphoretickes /showdomain  [Taxonomy; edit]
Clade?: TSAR  [Taxonomy; edit]
Clade: Sar  [Taxonomy; edit]
Clade: Halvaria  [Taxonomy; edit]
Clade: Alveolata  [Taxonomy; edit]
Phylum: Ciliophora  [Taxonomy; edit]
Subphylum: Intramacronucleata  [Taxonomy; edit]
Infraphylum: Ventrata  [Taxonomy; edit]
Class: Oligohymenophorea  [Taxonomy; edit]
Subclass: Apostomatia  [Taxonomy; edit]

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Parent: Oligohymenophorea [Taxonomy; edit]
Rank: subclassis (displays as Subclass)
Link: Apostomatia
Extinct: no
Always displayed: no
Taxonomic references: Xu K, Dolan J, eds. (2025). "Apostomatia". World Ciliophora Database. World Register of Marine Species. Retrieved 29 October 2025.
Parent's taxonomic references: Xu K, Dolan J, eds. (2025). "Oligohymenophorea". World Ciliophora Database. World Register of Marine Species. Retrieved 25 October 2025.