Psammosteidae

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Taxonavigation[edit]

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Superclassis/Classis: †Pteraspidomorphi
Subclassis: †Heterostraci
Subordo: Pteraspidiformes
Familia: Psammosteidae
Genera: Drepanaspis - Pycnosteus - Psammolepis - Schizosteus - Tartuosteus