Classification of the order Choristida
Subcl. Choristida Sollas 1888
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Or. Ancorinida Reid 1968
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Fm. Ancorinidae Schmidt 1870
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Subfm. Ancorininae Schmidt 1870
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G. Ancorina Schmidt 1862
G. †Discispongia Kolb 1910
G. Ecionemia Bowerbank 1862
Fm. Geodiidae Gray 1867
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Subfm. Erylinae Sollas 1888
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Subfm. †Geodiinae Gray 1867
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G. Caminus Schmidt 1862
G. †Conciliaspongia Robinson and Haslett 1995
G. †Cydonium Fleming 1828
G. Geodia Lamarck 1815
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†Geodia avicula Brimaud and Vachard 1986
†Geodia harmatuki Finks et al. 2011
G. †Geodiopsis Schrammen 1910
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†Geodiopsis cretacea Schrammen 1899
†Geodiopsis microthrinax Schrammen 1910
G. Pachymatisma Bowerbank 1842
G. †Rhaxella
G. †Rhaxelloides
Fm. †Paelospongiidae Mostler 1986
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G. †Actinospongiella Finks et al. 2004
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†Actinospongiella hexagona Mostler 1986
Invalid names: Actinospongia Mostler 1986 [replaced]
G. †Paelospongia Mostler 1986
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†Paelospongia longiradiata Mostler 1986
†Paelospongia procera Mostler 1986
†Paelospongia turgida Mostler 1986
G. †Arthaberia
Fm. †Cephaloraphiditidae Reid 1968
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G. †Cephaloraphidites Schrammen 1899
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†Cephaloraphidites cavernosus Schrammen 1899
†Cephaloraphidites milleporatus Schrammen 1899
G. †Ophiodesia
G. †Rhabdospongia
Invalid names: Ophiraphiditidae Schrammen 1903 [synonym]
Or. Craniellida Reid 1968
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Fm. Tetillidae Sollas 1886
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G. Craniella Schmidt 1870
G. †Tetillopsis Schrammen 1910
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†Tetillopsis doeringi Schrammen 1910
†Tetillopsis longitridens Schrammen 1910
G. †Fusiferella
Fm. †Helminthophyllidae Schrammen 1937
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Or. †Pachastrellida Reid 2004
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Fm. †Costamorphiidae Mostler 1986
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G. †Costamorpha Mostler 1986
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†Costamorpha tetraradiata Mostler 1986
†Costamorpha zlambachensis Mostler 1986
Fm. Pachastrellidae Carter 1875
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G. †Acanthophora
G. †Paropsites
G. †Youngella
Or. †Plakinida Reid 1968
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G. Ungulaspongia Mostler 1996