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]
Clade: Lophophorata  [Taxonomy; edit]
Order: "Tommotiida"  [Taxonomy; edit]
Genus: Sunnaginia  [Taxonomy; edit]


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Parent: Tommitiida [Taxonomy; edit]
Rank: genus (displays as Genus)
Link: Sunnaginia
Extinct: yes
Always displayed: yes (major rank)
Taxonomic references: Murdock, D. J. E.; Donoghue, P. C. J.; Bengtson, S.; Marone, F. (2012). "Ontogeny and microstructure of the enigmatic Cambrian tommotiid Sunnaginia Missarzhevsky, 1969". Palaeontology. 55 (3): 661. doi:10.1111/j.1475-4983.2012.01131.x.
Parent's taxonomic references: Skovsted, C. B.; Brock, G. A.; Topper, T. P.; Paterson, J. R.; Holmer, L. E. (2011). "Scleritome construction, biofacies, biostratigraphy and systematics of the tommotiid Eccentrotheca helenia sp. nov. from the Early Cambrian of South Australia". Palaeontology. 54 (2): 253–286. doi:10.1111/j.1475-4983.2010.01031.x.

Authority = A Missarzhevsky, 1970 emend. Matthews, 1973 – as given in Devaere, L. & Skovsted, C. B. New early Cambrian sclerites of ~Lapworthella schodakensis~ from NE Greenland: advancements in knowledge of lapworthellid taxonomy, sclerite growth and scleritome organization. Geol. Mag. (2016). doi:10.1017/S0016756816000698