Classification
Animalia [kingdom]Cnidaria [phylum]
Hydrozoa [superclass]
Leptolida [class]
Leptothecatae [subclass]
Conica [order]
Campanulinida [suborder]
Campanulinoidea [superfamily]
Phialellidae [family]
Phialella [genus]
Phialella quadrata [species]