Template:Taxonomy/Polybranchiaspidiformes

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Parent:	`Cephalaspidomorphi` [Taxonomy; edit]
Rank:	`ordo` (displays as `Order`)
Link:	`†Polybranchiaspidiformes`
Extinct:	`yes`
Always displayed:	yes (major rank)
Taxonomic references:	Janvier, Philippe (1 March 1998). "Early Vertebrates". Geological Magazine. 135 (2). doi:10.1017/S0016756898388433. Retrieved 12 April 2023.
Parent's taxonomic references:	"Cephalaspidomorphi". Integrated Taxonomic Information System. Retrieved 29 March 2022.

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]
Superphylum:	Deuterostomia		[Taxonomy; edit]
Phylum:	Chordata		[Taxonomy; edit]
Clade:	Olfactores		[Taxonomy; edit]
Subphylum:	Vertebrata		[Taxonomy; edit]
Infraphylum:	Agnatha		[Taxonomy; edit]
Class:	Cephalaspidomorphi		[Taxonomy; edit]
Order:	†Polybranchiaspidiformes		[Taxonomy; edit]