Classificatie
(master taxon) [(master rank)]Animalia [rijk]
Cnidaria [fylum]
Hydrozoa [onderfylum]
Thecata [onderorde]
Subordo Thecata heeft de volgende onderliggende taxa:
Calicella [genus]
Clytia [genus]
Dynamena [genus]
Gonothyraea [genus]
Halecium [genus]
Hartlaubella [genus]
Obelia [genus]
Opercularella [genus]
Sertularia [genus]