Classification of the order Halichondrida

Or. Halichondrida Gray 1867
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G. †Chaetosclera Reitner and Engeser 1989
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G. Halichondria Fleming 1828
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†Halichondria vosmaeri Schrammen 1910
Fm. †Hymeniacidonidae de Laubenfels 1936
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G. †Roepella van Kempen 1977
G. †Ischnspongia Wu et al. 2014
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†Ischnspongia dendritica Wu et al. 2014
G. †Neuropora Bronn 1825
G. †Ptilispongia Wu et al. 2014
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G. †Stromatoaxinella Wood and Reitner 1988
Invalid names: Bubaridae Topsent 1894 [empty]