Classification of Rigby et al. 2009

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. †Fissispongiidae Finks and Rigby 2004
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G. †Hormospongia Rigby and Blodgett 1983
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†Hormospongia labyrinthica Rigby and Blodgett 1983
G. †Medfraspongia Rigby et al. 2009
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†Medfraspongia tubulara Rigby et al. 2009