Classification
(master taxon) [(master rank)]Animalia [kingdom]
Cnidaria [phylum]
Medusozoa [subphylum]
Hydrozoa [superclass]
Siphonophorae [subclass]
Calycophorae [order]
Sphaeronectidae [family]
Sphaeronectes [genus]
Sphaeronectes gracilis [species]