After Parker, 1982, and de Laubenfels, 1955

<==o Haplosclerida Topsent, 1898 [nom. transl. de Laubenfels, 1955 pro Haplosclerina Topsent, 1898]
   |?- †Eurydiscites irregularis Sollas, 1880; Cret. WEu.
   |?- †Toriscodermia Wisniowski, 1886; Jur. Eu [spicules only, no species]
   |?- †Esperites giganteus Carter, 1871; L.Cret. Eu.
   |--o †Haplistiidae de Laubenfels, 1955
   |  |--o †Haplistion Y.-Y., 1877; M.Ord.-L.Carb. WEu.
   |  |  `-- †H. armstrongi Y.-Y., 1877
   |  `--o †Lasiocladia Hinde, 1884; L.Dev.-L.Camb. WEu.
   |     `-- †L. compressa Hinde, 1884
   |-- †Wapkia grandis Walcott, 1920; M.Camb. NWNA. [Wapkiidae de Laubenfels, 1955]
   |-- †Hazelia palmata Walcott, 1920; M.Camb. NWNA. [Hazeliidae de Laubenfels, 1955]
   |-- †Takakkawia lineata Walcott, 1920; M.Camb. NWNA. [Takakkawiidae de Laubenfels, 1955]
   |?-o Desmacidontidae Gray, 1867 [nom. correct. de Laubenfels, 1955 (ex Desmacidonidae Gray, 1867)] [not recognized by Parker, 1982]
   |  |--o Desmacidon Bow., 1862; ?Ter.-R. Eu.
   |  |  `-- D. fruticosa (Montagu, 1818) de Laubenfels, 1936 [Spongia fruticosa Montagu, 1818]
   |  `--o Guitarra Carter, 1874; Ter. NZ. R.
   |     `-- G. fimbriata Carter, 1874; de Laubenfels, 1932
   |--o Haliclonidae de Laubenfels, 1932
   |  |--o Haliclona Grant, 1841 [Chalina Bow., 1862] Eoc.-R.
   |  |  `-- H. oculata (Linnaeus, 1759) [Spongia oculata Linnaeus, 1759]
   |  |--o Reniera Nardo, 1847; R.
   |  |  `-- R. aquaeductus Schmidt, 1862; Schmidt, 1862
   |  `-- †Climacospongia radiata Hinde, 1884; Sil. CNA.
   |-- Niphatidae
   |-- Callyspongiidae
   |-- Oceanapiidae
   |--o Spongillidae Gray, 1867
   |  |--o Spongilla Lam., 1815
   |  |  `-- S. lacustris (Linnaeus, 1759) Potts, 1881 [Spongia lacustris Linnaeus, 1759] Jur.-R.
   |  |--o Meyenia Carter, 1881 [Ephydatia; Tupha] Pleist.-R.
   |  |  `-- M. fluviatilis de Laubenfels, 1936
   |  `--o Heteromeyenia Potts, 1881; Pleist.-R.
   |     `-- H. repens de Laubenfels, 1936
   |-- Lubomirskiidae
   `-- Potamolepidae

Reference(s):