Template:Taxonomy/Tichkaella

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]
Phylum:	Mollusca		[Taxonomy; edit]
Subphylum:	Conchifera		[Taxonomy; edit]
Class:	†Helcionelloida		[Taxonomy; edit]
Subclass:	†Archaeobranchia		[Taxonomy; edit]
Order:	†Helcionelliformes		[Taxonomy; edit]
Superfamily:	†Helcionelloidea		[Taxonomy; edit]
Genus:	†Tichkaella		[Taxonomy; edit]

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Parent:	Helcionelloidea [Taxonomy; edit]
Rank:	genus (displays as Genus)
Link:	†Tichkaella
Extinct:	yes
Always displayed:	yes (major rank)
Taxonomic references:	Peel, J. S. (1991). "Functional Morphology of the Class Helcionelloida Nov., and the Early Evolution of the Mollusca". In Simonetta, A. M.; Conway Morris, S (eds.). The Early Evolution of Metazoa and the Significance of Problematic Taxa. Cambridge University Press. pp. 157–177. ISBN 978-0-521-40242-2.
Parent's taxonomic references:	–