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]
Superphylum: Deuterostomia  [Taxonomy; edit]
Phylum: Chordata  [Taxonomy; edit]
Clade: Olfactores  [Taxonomy; edit]
Subphylum: Vertebrata  [Taxonomy; edit]
Infraphylum: Agnatha  [Taxonomy; edit]
Class: Pteraspidomorphi  [Taxonomy; edit]


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Parent: Agnatha [Taxonomy; edit]
Rank: classis (displays as Class)
Link: Pteraspidomorphi
Extinct: true
Always displayed: yes (major rank)
Taxonomic references: Pteraspidomorphi
Parent's taxonomic references: Froese, R. and D. Pauly (2021). "Agnatha". WoRMS. World Register of Marine Species. Retrieved 10 October 2021.