Bold ranks show taxa that will be shown in taxoboxes
because rank is principal or always_display=yes.
| Ancestral taxa | |||
|---|---|---|---|
| Domain: | Eukaryota | [Taxonomy; edit] | |
| Clade: | Podiata | [Taxonomy; edit] | |
| Clade: | Amorphea | [Taxonomy; edit] | |
| Clade: | Obazoa | [Taxonomy; edit] | |
| Clade: | Opisthokonta | [Taxonomy; edit] | |
| Clade: | Holozoa | [Taxonomy; edit] | |
| Clade: | 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] | |
| Clade: | Ambulacraria | [Taxonomy; edit] | |
| Phylum: | Echinodermata | [Taxonomy; edit] | |
| Subphylum: | Echinozoa | [Taxonomy; edit] | |
| Class: | Holothuroidea | [Taxonomy; edit] | |
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| Parent: | Echinozoa [Taxonomy; edit] |
| Rank: | classis (displays as Class) |
| Link: | Sea cucumber|Holothuroidea(links to Sea cucumber) |
| Extinct: | no |
| Always displayed: | yes (major rank) |
| Taxonomic references: | Paulay, Gustav (2013). "Holothuroidea". WoRMS. World Register of Marine Species. Retrieved 2017-11-29. |
| Parent's taxonomic references: | Kroh A, Mooi R, eds. (2026). "Echinozoa". World Echinoidea Database. World Register of Marine Species. Retrieved 26 February 2026. |