Bevocastria E.J. Garwood, 1931 † (basis of record)
Cayeuxia M.M. Frollo, 1938 † (basis of record)
Garwoodia A. Wood, 1941 † (basis of record)
Girvanella Nicholson & Etheridge, 1878 † (extant flag source)
Girvanella Nicholson & Etheridge, 1878 † (habitat flag source)
Girvanella Nicholson & Etheridge, 1878 † (basis of record)
Hedstroemia A. Rothpletz, 1913 † (basis of record)
Hedstroemia moldavica O. Dragastan † (extant flag source)
Hedstromia A. Rothpletz, 1913 † accepted as Hedstroemia A. Rothpletz, 1913 † (extant flag source)
Hedströmia A. Rothpletz, 1913 † accepted as Hedstroemia A. Rothpletz, 1913 † (basis of record)
Hedströmia A. Rothpletz, 1913 † accepted as Hedstroemia A. Rothpletz, 1913 † (name verified source)
Hedströmia A. Rothpletz, 1913 † accepted as Hedstroemia A. Rothpletz, 1913 † (extant flag source)
Mitcheldeania E. Wethered, 1886 † (basis of record)
Ortonella E.J. Garwood, 1914 † (basis of record)
Ottonosia W.H. Twenhofel, 1919 † (basis of record)
Somphospongia J.W. Beede, 1899 † (basis of record)
Sphaerocodium A. Rothpletz, 1890 † accepted as Rothpletzella A. Wood, 1948 † (basis of record)