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]
Superphylum: Lophotrochozoa  [Taxonomy; edit]
Phylum: Annelida  [Taxonomy; edit]
Clade: Pleistoannelida  [Taxonomy; edit]
Clade: Sedentaria  [Taxonomy; edit]
Subclass: Echiura  [Taxonomy; edit]
Order: Echiuroidea  [Taxonomy; edit]
Suborder: Echiurida  [Taxonomy; edit]
Family: Urechidae  [Taxonomy; edit]


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Parent: Echiurida [Taxonomy; edit]
Rank: familia (displays as Family)
Link: Urechidae
Extinct: no
Always displayed: yes (major rank)
Taxonomic references: Tanaka, Masaatsu (2017). "Urechidae Monro, 1927". WoRMS. World Register of Marine Species. Retrieved 12 March 2021.
Parent's taxonomic references: Tanaka, Masaatsu (2017). "Echiurida". WoRMS. World Register of Marine Species. Retrieved 12 March 2021.