The Halopterididae are a family of cnidarians within the class Hydrozoa. According to the World Register of Marine Species, these genera belong to this family: \n* Anarthroclada Naumov, 1955 \n* Antennella Allman, 1877 \n* Antennellopsis Jäderholm, 1896 \n* Astrolabia Naumov, 1955 \n* Calvinia Nutting, 1900 \n* Cladoplumaria Ansin Agis, Ramil & Vervoort, 2004 \n* Corhiza Millard, 1962 \n* Diplopteroides Peña Cantero & Vervoort, 1999 \n* Gattya Allman, 1885 \n* Halopteris Allman, 1877 \n* Monostaechas Allman, 1877 \n* Nuditheca Nutting, 1900 \n* Pentatheca Naumov, 1955 \n* Schizotricha Allman, 1883