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Birkeniiformes

Cephalaspidomorphi - Birkeniiformes

Taxonomy
Birkeniiformes is an order. It is not extant.

It was assigned to Cephalaspidomorphi by Sepkoski (2002).

Synonymy list
YearName and author
2002Birkeniiformes Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
RankNameAuthor
subphylumVertebrata
superclassOsteostracomorphii
classCephalaspidomorphi
orderBirkeniiformes
orderBirkeniiformes

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
No diagnoses are available