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]
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]
Class: Dinocaridida  [Taxonomy; edit]
Order: Radiodonta  [Taxonomy; edit]
Family: Hurdiidae  [Taxonomy; edit]
Subfamily: Aegirocassisinae  [Taxonomy; edit]
Genus: Aegirocassis  [Taxonomy; edit]


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Parent: Aegirocassisinae [Taxonomy; edit]
Rank: genus (displays as Genus)
Link: Aegirocassis
Extinct: yes
Always displayed: yes (major rank)
Taxonomic references: Van Roy, Peter; Daley, Allison C. & Briggs, Derek E. G. (11 March 2015). "Anomalocaridid trunk limb homology revealed by a giant filter-feeder with paired flaps". Nature. 522 (7554). Nature Publishing Group: 77–80. Bibcode:2015Natur.522...77V. doi:10.1038/nature14256. PMID 25762145. S2CID 205242881.
Parent's taxonomic references: Potin, G. J.-M.; Gueriau, P.; Daley, A. C. (2023). "Radiodont frontal appendages from the Fezouata Biota (Morocco) reveal high diversity and ecological adaptations to suspension-feeding during the Early Ordovician". Frontiers in Ecology and Evolution. 11. 1214109.