Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Phylum: Cnidaria
Classis: Hydrozoa
Subclassis: Hydroidolina
Ordo: Leptothecata
Familia: Blackfordiidae
Genus: Blackfordia
References
Bardi, J.; Marques, A.C. 2009: The invasive hydromedusae Blackfordia virginica Mayer, 1910 (Cnidaria: Blackfordiidae) in southern Brazil, with comments on taxonomy and distribution of the genus Blackfordia. Zootaxa, 2198: 41–50. Abstract & excerpt
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