Classification of Rigby et al. 2008

Cl. †Heteractinida Hinde 1888
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Or. †Octactinellida Hinde 1887
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Fm. †Nuchidae Pickett 2002
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G. †Nucha
Cl. Demospongea Sollas 1875 [demosponge]
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Subcl. Ceractinomorpha Levi 1953
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Or. Agelasida Verrill 1907
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Fm. †Cliefdenellidae Webby 1969
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G. †Cliefdenella Webby 1969
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Fm. †Girtyocoeliidae Finks and Rigby 2004
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G. †Girtyocoelia Cossman 1909
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Girtyocoelia epiporata Rigby and Potter 1986
Girtyocoelia minima Rigby et al. 2008
G. †Girtyocoeliana Rigby et al. 2005
Or. Vaceletida Finks et al. 2004
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Fm. †Colospongiidae Senowbari-Daryan 1990
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Subfm. †Corymbospongiinae Senowbari-Daryan 1990
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G. †Corymbospongia Rigby and Potter 1986
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Corymbospongia betella Rigby et al. 1988
Corymbospongia mica Rigby and Potter 1986
G. †Pseudoimperatoria Senowbari-Daryan and Rigby 1988
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Pseudoimperatoria minima Rigby and Potter 1986