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: Amorphea  [Taxonomy; edit]
Clade: Obazoa  [Taxonomy; edit]
(unranked): Opisthokonta  [Taxonomy; edit]
(unranked): Holozoa  [Taxonomy; edit]
(unranked): Filozoa  [Taxonomy; edit]
Clade: Choanozoa  [Taxonomy; edit]
Kingdom: Animalia  [Taxonomy; edit]
Subkingdom: Eumetazoa  [Taxonomy; edit]
Clade: ParaHoxozoa  [Taxonomy; edit]
Clade: Bilateria  [Taxonomy; edit]
Clade: Nephrozoa  [Taxonomy; edit]
(unranked): Protostomia  [Taxonomy; edit]
(unranked): Spiralia  [Taxonomy; edit]
Clade: Rouphozoa  [Taxonomy; edit]
Phylum: Platyhelminthes  [Taxonomy; edit]
Subphylum: Rhabditophora  [Taxonomy; edit]
Superclass: Neodermata  [Taxonomy; edit]
Class: Trematoda  [Taxonomy; edit]


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Parent: Neodermata [Taxonomy; edit]
Rank: classis (displays as Class)
Link: Trematoda
Extinct: no
Always displayed: yes (major rank)
Taxonomic references: WoRMS (2018). Villarrealina Bolaños & Salas, 1982. Accessed at: http://marinespecies.org/aphia.php?p=taxdetails&id=757354 on 2018-08-13
Biota Animalia (Kingdom) Platyhelminthes (Phylum) Neodermata (Subphylum) Trematoda (Class) Digenea (Subclass) Plagiorchiida (Order) Xiphidiata (Suborder) Allocreadioidea (Superfamily) Opecoelidae (Family) Plagioporinae (Subfamily) Villarrealina (Genus)
Parent's taxonomic references: "Neodermata". WoRMS. World Register of Marine Species. Retrieved 6 November 2021.