Spongia ananas Montagu, 1814 accepted as Leucandra ananas (Montagu, 1814) (original description)
Spongia aurea Montagu, 1814 accepted as Hymeniacidon perlevis (Montagu, 1814) (original description)
Spongia botryoides Ellis & Solander, 1786 accepted as Leucosolenia botryoides (Ellis & Solander, 1786) (additional source)
Spongia cancellata Sowerby, 1806 accepted as Haliclona (Reniera) cinerea (Grant, 1826) (additional source)
Spongia coalita sensu Lamarck, 1814 accepted as Halichondria (Halichondria) bowerbanki Burton, 1930 (additional source)
Spongia coalita Müller, 1776 accepted as Haliclona (Haliclona) oculata (Linnaeus, 1759) (additional source)
Spongia complicata Montagu, 1814 accepted as Leucosolenia complicata (Montagu, 1814) (original description)
Spongia conus Montagu, 1814 (original description)
Spongia coriacea Montagu, 1814 accepted as Clathrina coriacea (Montagu, 1814) (original description)
Spongia coronata Ellis & Solander, 1786 accepted as Sycon ciliatum (Fabricius, 1780) (additional source)
Spongia cristata Ellis & Solander, 1786 accepted as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Spongia dichotoma Linnaeus, 1767 accepted as Antho (Antho) dichotoma (Linnaeus, 1767) (additional source)
Spongia digitata Esper, 1797 accepted as Isodictya palmata (Ellis & Solander, 1786) (additional source)
Spongia fava Montagu, 1814 (original description)
Spongia foliacea Montagu, 1814 accepted as Grantia compressa (Fabricius, 1780) (original description)
Spongia fragilis Montagu, 1814 accepted as Dysidea fragilis (Montagu, 1814) (original description)
Spongia fruticosa Montagu, 1814 accepted as Desmacidon fruticosum (Montagu, 1814) (original description)
Spongia hispida Montagu, 1814 accepted as Raspailia (Clathriodendron) hispida (Montagu, 1814) (original description)
Spongia infundibuliformis Linnaeus, 1759 accepted as Axinella infundibuliformis (Linnaeus, 1759) (additional source)
Spongia laevigata Montagu, 1814 (original description)
Spongia lichenoides Pallas, 1766 (additional source)
Spongia limbata Montagu, 1814 accepted as Chalinula limbata (Montagu, 1814) (original description)
Spongia lobata Montagu, 1814 accepted as Amphilectus ovulum (Schmidt, 1870) (original description)
Spongia oculata Linnaeus, 1759 accepted as Haliclona (Haliclona) oculata (Linnaeus, 1759) (additional source)
Spongia palmata Ellis & Solander, 1786 accepted as Isodictya palmata (Ellis & Solander, 1786) (additional source)
Spongia papillaris Pallas, 1766 accepted as Halichondria (Halichondria) papillaris (Pallas, 1766) (additional source)
Spongia parasitica Montagu, 1814 accepted as Amphilectus fucorum (Esper, 1794) (original description)
Spongia penicillus Montagu, 1814 accepted as Polymastia penicillus (Montagu, 1814) (original description)
Spongia perlevis Montagu, 1814 accepted as Hymeniacidon perlevis (Montagu, 1814) (original description)
Spongia pilosa Montagu, 1814 accepted as Craniella cranium (Müller, 1776) (original description)
Spongia plumosa Montagu, 1814 accepted as Phorbas plumosus (Montagu, 1814) (original description)
Spongia pulchella Sowerby, 1804 accepted as Spongionella pulchella (Sowerby, 1804) (additional source)
Spongia ramosa Montagu, 1814 accepted as Raspailia (Raspailia) ramosa (Montagu, 1814) (original description)
Spongia rigida Montagu, 1814 accepted as Stelligera montagui Van Soest & Hooper, 2020 (original description)
Spongia scypha Montagu, 1814 (original description)
Spongia stuposa Ellis & Solander, 1786 accepted as Stelligera stuposa (Ellis & Solander, 1786) (redescription)
Spongia suberia Montagu, 1814 accepted as Suberites suberia (Montagu, 1814) (original description)
Spongia tomentosa Linnaeus, 1767 accepted as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Spongia tubulosa sensu Ellis & Solander, 1786 accepted as Siphonochalina tubulosa (Linnaeus, 1759) (additional source)
Spongia ventilabrum Linnaeus, 1767 accepted as Phakellia ventilabrum (Linnaeus, 1767) (additional source)
Spongia verrucosa Montagu, 1814 accepted as Tethya aurantium (Pallas, 1766) (original description)
Stelligera stuposa (Ellis & Solander, 1786) (redescription)
Tethya sphaerica Fleming, 1828 (additional source)

Celtic Seas for Spongia ananas Montagu, 1814 
Celtic Seas for Spongia aurea Montagu, 1814 
Celtic Seas for Spongia coalita sensu Lamarck, 1814 
Celtic Seas for Spongia coalita Müller, 1776 
Celtic Seas for Spongia complicata Montagu, 1814 
Celtic Seas for Spongia conus Montagu, 1814 
Celtic Seas for Spongia coriacea Montagu, 1814 
Celtic Seas for Spongia dichotoma Linnaeus, 1767 
Celtic Seas for Spongia digitata Esper, 1797 
Celtic Seas for Spongia fava Montagu, 1814 
Celtic Seas for Spongia foliacea Montagu, 1814 
Celtic Seas for Spongia fragilis Montagu, 1814 
Celtic Seas for Spongia fruticosa Montagu, 1814 
Celtic Seas for Spongia hispida Montagu, 1814 
Celtic Seas for Spongia limbata Montagu, 1814 
Celtic Seas for Spongia lobata Montagu, 1814 
Celtic Seas for Spongia oculata Linnaeus, 1759 
Celtic Seas for Spongia palmata Ellis & Solander, 1786 
Celtic Seas for Spongia papillaris Pallas, 1766 
Celtic Seas for Spongia parasitica Montagu, 1814 
Celtic Seas for Spongia penicillus Montagu, 1814 
Celtic Seas for Spongia perlevis Montagu, 1814 
Celtic Seas for Spongia plumosa Montagu, 1814 
Celtic Seas for Spongia pulchella Sowerby, 1804 
Celtic Seas for Spongia ramosa Montagu, 1814 
Celtic Seas for Spongia rigida Montagu, 1814 
Celtic Seas for Spongia stuposa Ellis & Solander, 1786 
Celtic Seas for Spongia suberia Montagu, 1814 
Celtic Seas for Spongia tomentosa Linnaeus, 1767 
Celtic Seas for Spongia tubulosa sensu Ellis & Solander, 1786  (inaccurate)
Celtic Seas for Spongia verrucosa Montagu, 1814 
European waters (ERMS scope) for Spongia coalita sensu Lamarck, 1814 
North Sea for Spongia botryoides Ellis & Solander, 1786 
North Sea for Spongia cristata Ellis & Solander, 1786 
North Sea for Spongia infundibuliformis Linnaeus, 1759 
North Sea for Spongia infundibuliformis Linnaeus, 1759 
North Sea for Spongia pilosa Montagu, 1814 
North Sea for Spongia scypha Montagu, 1814 
North Sea for Spongia ventilabrum Linnaeus, 1767 

 Homonymy

 for Spongia lobata Esper, 1794

This is a senior homonym of Spongia lobata Montagu, 1818. Since Esper's combination is likely a junior synonym of ... [details]

 Homonymy

 for Spongia ramosa Mantell, 1822 †

This combination is a junior primary homonym of Spongia ramosa Montagu, 1814 (p. 34, accepted as Raspailia ... [details]

 Homonymy

 for Spongia ramosa Gray, 1843

This combination is a junior primary homonym of Spongia ramosa Montagu, 1814 (accepted as Raspailia (Raspailia) ... [details]