After Parker, 1982, and de Laubenfels, 1955

<==o Poecilosclerida Topsent, 1898 [nom. correct. de Laubenfels, 1955 (ex Poecilosclerina Topsent, 1898)]
   |-- †Hamptonia bowerbanki Walcott, 1920 [Hamptoniidae de Laubenfels, 1955] M.Camb. NA.
   |?- †Ophiodesia solivaga Schram., 1936; Jur. WEu.
   |?- †Oppligera clavaeformis (Oppl., 1921) de Laubenfels, 1955 [Subularia clavaeformis Oppl., 1921] [pro Subularia Oppl., 1921 (non Monterosato, 1884] Jur. Eu.
   |?- †Makiyama chitanii (Makiyama, 1931) de Laubenfels, 1955 [Sagarites chitaii Makiyama, 1931] [pro Sagarites Makiyama, 1931 (non Ashmead, 1900)] Tert. EAs.
   |?-o Acarniidae de Laubenfels, 1936 [not recognized by Parker, 1982]
   |  |--o Acarnia Gray, 1867; R. Pac.
   |  |  `-- A. cliftoni (Bow., 1864) [Hymeniacidon cliftoni Bow., 1864]
   |  `--o Acanthoraphis Hinde, 1884
   |     `-- A. intertextus Hinde, 1884
   |?-o Amphilectidae de Laubenfels, 1936 [not recognized by Parker, 1982]
   |  |--o Amphilectus Vosmaer, 1880; ?Tert. NZ. R.
   |  |  `-- A. gracilis (Bow., 1866) Dendy, 1921
   |  `--o Hamacantha Gray, 1867; Tert. NZ. R.
   |     `-- H. johnsonii (Bow., 1864)
   |-- Mycalidae
   |-- Hamacanthidae
   |--o Cladorhizidae de Laubenfels, 1936
   |  |--o Cladorhiza Sars, 1872; Tert. NZ. R.
   |  |  `-- C. abyssicola Sars, 1872
   |  `--o Chondrocladia W. Thomp., 1873; Tert. NZ. R.
   |     `-- C. vergata W. Thomp., 1873
   |-- Biemnidae
   |-- Esperiopsidae
   |-- Coelosphaeridae
   |-- Crellidae
   |--o Myxillidae Hentschel, 1923
   |  |--o Myxilla Schmidt, 1862; ?Ter. NZ. R.
   |  |  `-- M. rosacea (Lieberkühn, 1859) [Halichondria rosacea Lieberkühn, 1859]
   |  `--o Iophon Gray, 1867; Ter. NZ. R.
   |     `-- I. scandens (Bow., 1866) Dendy, 1924 [Halichondria scandens Bow., 1866]
   |--o Tedaniidae Ridley & Dendy, 1886 [nom. correct. de Laubenfels, 1955 (ex Tedaniina Ridley & Dendy, 1886)]
   |  |--o Tedania Gray, 1867; R.
   |  |  `-- T. anhelans (Lieberkühn, 1859) de Laubenfels, 1936 [Halichondria anhelans Lieberkühn, 1859]
   |  |--o Acarnus Gray, 1867; ?Tert. NZ. R.
   |  |  `-- A. innominatus Gray, 1867
   |  |--o Melonanchora Carter, 1874; ?Tert. NZ. R.
   |  |  `-- M. elliptica Carter, 1874
   |  `--o Forcepia Carter, 1874; Tert. NZ. R.
   |     `-- F. colonensis Carter, 1874
   |-- Hymedesmiidae
   |-- Anchinoidae
   `-- Clathriidae

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