| Amphilectus dubius (Bowerbank, 1874) (synonym) |
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| Amphilectus edwardii (Bowerbank, 1866) (synonym) |
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| Amphilectus gracilis (Bowerbank, 1866) (synonym) |
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| Amphilectus imitatus (Bowerbank, 1874) (synonym) |
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| Dendoryx thompsoni (Bowerbank, 1866) (synonym) |
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| Esperella normani (Bowerbank, 1866) (synonym) |
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| Esperia collina (Bowerbank, 1882) (synonym) |
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| Esperia normani (Bowerbank, 1866) (synonym) |
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| Esperiopsis dubia (Bowerbank, 1874) (synonym) |
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| Esperiopsis edwardii (Bowerbank, 1866) (synonym) |
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| Esperiopsis fucorum (Esper, 1794) (synonym) |
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| Esperiopsis gracilis (Bowerbank, 1866) (synonym) |
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| Esperiopsis involuta (Bowerbank, 1882) (synonym) |
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| Esperiopsis normani (Bowerbank, 1866) (synonym) |
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| Esperiopsis paupera (Bowerbank, 1866) (synonym) |
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| Esperiopsis thompsoni (Bowerbank, 1866) (synonym) |
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| Halichondria fucorum (Esper, 1794) (synonym) |
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| Halichondria parasitica (Montagu, 1818) (synonym) |
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| Halichondria thompsoni Bowerbank, 1866 (synonym) |
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| Haliclona parasitica (Montagu, 1818) (synonym) |
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| Isodictya alderi Bowerbank, 1866 (synonym) |
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| Isodictya collina Bowerbank, 1882 (synonym) |
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| Isodictya dubia Bowerbank, 1874 (synonym) |
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| Isodictya edwardii Bowerbank, 1866 (synonym) |
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| Isodictya fucorum (Esper, 1794) (synonym) |
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| Isodictya gracilis Bowerbank, 1866 (synonym) |
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| Isodictya hispida Bowerbank, 1882 (synonym) |
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| Isodictya imitata Bowerbank, 1874 (synonym) |
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| Isodictya invalida Bowerbank, 1874 (synonym) |
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| Isodictya involuta Bowerbank, 1882 (synonym) |
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| Isodictya normani Bowerbank, 1866 (synonym) |
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| Isodictya parasitica (Montagu, 1818) (synonym) |
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| Isodictya paupera Bowerbank, 1866 (synonym) |
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| Isodictya pertenuis Bowerbank, 1882 (synonym) |
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| Isodictya scitula Bowerbank, 1882 (synonym) |
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| Myxilla thompsoni (Bowerbank, 1866) (synonym) |
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| Reniera paupera (Bowerbank, 1866) (synonym) |
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| Spongia fucorum Esper, 1794 (synonym) |
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| Spongia parasitica Montagu, 1818 (synonym) |
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