Haploposthiidae Westblad, 1948
Haplogonaria amarilla Hooge & Eppinger, 2005
Haplogonaria arenaria (Ax, 1959)
Haplogonaria arenicolae Faubel & Warwick, 2005
Haplogonaria elegans Faubel, 1976
Haplogonaria glandulifera Dörjes, 1968
Haplogonaria idia (Marcus, 1954)
Haplogonaria macrobursalia Dörjes, 1968
Haplogonaria macrobursalis Dörjes, 1968
Haplogonaria minima (Westblad, 1946)
Haplogonaria pellita (Marcus, 1951)
Haplogonaria phyllospadicis Hooge & Tyler, 2003
Haplogonaria psammalia Faubel, 1974
Haplogonaria simplex Dörjes, 1968
Haplogonaria sinubursalia Dörjes, 1968
Haplogonaria sophiae Hooge & Rocha, 2006
Haplogonaria stradbrokensis Hooge, 2003
Haplogonaria syltensis Dörjes, 1968
Haplogonaria viridis Dörjes, 1968
