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Morphology Ecology and taphonomy   Age range and collections

Astraspidiformes

Pteraspidomorphi - Astraspidiformes

Taxonomy
Astraspidiformes was named by Berg (1940). It is not extant.

It was assigned to Pteraspidomorphi by Sepkoski (2002); and to Astraspida by Long (2011).

Synonymy list
YearName and author
1940Astraspidiformes Berg
2002Astraspidiformes Sepkoski, Jr.
2011Astraspidiformes Long p. 241

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
RankNameAuthor
subphylumVertebrata
classPteraspidomorphiGoodrich 1909
subclassAstraspida(Berg 1940)
orderAstraspidiformesBerg 1940
orderAstraspidiformesBerg 1940

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