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]
(unranked): Artiopoda  [Taxonomy; edit]
Subphylum: Trilobitomorpha  [Taxonomy; edit]
Class: Trilobita  [Taxonomy; edit]
Order: Phacopida  [Taxonomy; edit]
Suborder: Cheirurina  [Taxonomy; edit]
Family: Cheiruridae  [Taxonomy; edit]


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Parent: Cheirurina [Taxonomy; edit]
Rank: familia (displays as Family)
Link: Cheiruridae
Extinct: yes
Always displayed: yes (major rank)
Taxonomic references: T. Hansen. 2005. A new trilobite species of Hemisphaerocoryphe from the Arenig of the St. Petersburg area, Russia. Norwegian Journal of Geology 85:203-208 [B. Kröger/B. Kröger]
Parent's taxonomic references: G. D. Edgecombe, B. D. E. Chatterton, N.E. Vaccari and B.G. Waisfield. 1999. Ordovician cheirurid trilobites from the Argentine Precordillera. Journal of Paleontology 73(6):1155-1175 [A. Miller/S. Kolbe]