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Psammosteiformes

Pteraspidomorphi - Psammosteiformes

Taxonomy
Psammosteiformes was named by Berg (1937).

It was assigned to Heterostraci by Moloshnikov (2009).

Synonymy list
YearName and author
1937Psammosteiformes Berg
2009Psammosteiformes Moloshnikov p. 197

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
RankNameAuthor
subphylumVertebrata
classPteraspidomorphiGoodrich 1909
subclassHeterostraciLankester 1868
orderPsammosteiformesBerg 1937
orderPsammosteiformesBerg 1937

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