Heterostraci
From Wikispecies
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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Cladus: Chordata Craniata
Subphylum: Vertebrata
Classis: †Pteraspidomorphi
Ordo: Heterostraci
Subordo: Cyathaspidiformes - Pteraspidiformes
Name [edit]
Heterostraci
