(Halopteris) (Halopteris) is a biological genus in the family Halopterididae and order Leptothecatae (Thecate Hydroids).
Halopteris alternata
Halopteris campanula
Halopteris carinata
Halopteris catharina
Halopteris clarkei
Halopteris constricta
Halopteris diaphana
Halopteris geminata
Halopteris heterogona
Halopteris infundibulum
Halopteris minuta
Halopteris tenella
Antennella
Corhiza
Halopteris
Monostaechas
Nuditheca