Pennatula aculeata

Pennatula aculeata, USGS, Photo by Dann Blackwood and Page Valentine

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Phylum: Cnidaria
Classis: Anthozoa
Subclassis: Alcyonaria
Ordo: Pennatulacea
Subordo: Subselliflorae
Familia: Pennatulidae
Genus: Pennatula
Species: Pennatula aculeata