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]
Clade: Protostomia  [Taxonomy; edit]
Superphylum: Ecdysozoa  [Taxonomy; edit]
Genus: Saccus  [Taxonomy; edit]


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Parent: Ecdysozoa [Taxonomy; edit]
Rank: genus (displays as Genus)
Link: Saccus (genus)|Saccus(links to Saccus (genus))
Extinct: yes
Always displayed: yes (major rank)
Taxonomic references: Liu, Mingjin; Xian, Xiaofeng; Zhang, Huaqiao; Eriksson, Mats E.; Liu, Yunhuan; Shao, Tiequan (February 2025). Shen, S. (ed.). "New ecdysozoan fossil embryos from the basal Cambrian of China". Palaeogeography, Palaeoclimatology, Palaeoecology. 659 112635. Bibcode:2025PPP...65912635L. doi:10.1016/j.palaeo.2024.112635. ISSN 0031-0182.
Parent's taxonomic references: Ruggiero, Michael A.; Gordon, Dennis P.; Orrell, Thomas M.; Bailly, Nicolas; Bourgoin, Thierry; Brusca, Richard C.; Cavalier-Smith, Thomas; Guiry, Michael D.; Kirk, Paul M. (2015). "Correction: A Higher Level Classification of All Living Organisms". PLOS ONE. 10 (6) e0130114. Bibcode:2015PLoSO..1030114R. doi:10.1371/journal.pone.0130114. PMC 5159126. PMID 26068874.