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]
Superphylum: Ecdysozoa  [Taxonomy; edit]
(unranked): Panarthropoda  [Taxonomy; edit]
(unranked): Tactopoda  [Taxonomy; edit]
Phylum: Arthropoda  [Taxonomy; edit]
Clade: Arachnomorpha  [Taxonomy; edit]
Subphylum: Chelicerata  [Taxonomy; edit]
Clade: Euchelicerata  [Taxonomy; edit]
Clade: Prosomapoda  [Taxonomy; edit]
Clade: Planaterga  [Taxonomy; edit]
Clade: Dekatriata  [Taxonomy; edit]
Clade: Sclerophorata  [Taxonomy; edit]
Order: Eurypterida  [Taxonomy; edit]


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Parent: Sclerophorata [Taxonomy; edit]
Rank: ordo (displays as Order)
Link: Eurypterid|Eurypterida(links to Eurypterid)
Extinct: true
Always displayed: yes (major rank)
Taxonomic references: https://academic.oup.com/zoolinnean/article/167/1/1/2420794
Parent's taxonomic references: https://academic.oup.com/zoolinnean/article/167/1/1/2420794