Graptolithina
From Wikispecies
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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Hemichordata
Classis: †Graptolithina
Ordines: Camaroidea - Crustoidea - Dendroidea - Graptoloidea - Stolonoidea - Tuboidea
