1. Species Cacospongia amorpha Poléjaeff, 1884
2. Species Cacospongia bakusi Sim, Lee & Kim, 2016
3. Species Cacospongia carduelis Schmidt, 1864
4. Species Cacospongia dokdoensis Sim, Lee & Kim, 2016
5. Species Cacospongia hermanorum Sim-Smith, Hickman Jr & Kelly, 2021
6. Species Cacospongia intermedia Poléjaeff, 1884
7. Species Cacospongia levis Poléjaeff, 1884
8. Species Cacospongia mollior Schmidt, 1862
9. Species Cacospongia mycofijiensis (Kakou, Crews & Bakus, 1987)
10. Species Cacospongia ridleyi Burton, 1952
11. Species Cacospongia serta (Lendenfeld, 1888)
12. Species Cacospongia symbiotica Burton, 1959
13. Species Cacospongia aspergillum Schmidt, 1868 accepted as Fasciospongia cavernosa (Schmidt, 1862) (genus transfer & junior synonym)
14. Species Cacospongia camera de Laubenfels, 1936 accepted as Dendrilla camera (de Laubenfels, 1936) (genus transfer)
15. Species Cacospongia cavernosa Schmidt, 1862 accepted as Fasciospongia cavernosa (Schmidt, 1862) (genus transfer)
16. Species Cacospongia cincta Boury-Esnault, 1973 accepted as Thorecta cinctus (Boury-Esnault, 1973) (genus transfer)
17. Species Cacospongia collectrix Poléjaeff, 1884 accepted as Ircinia collectrix (Poléjaeff, 1884) (genus transfer)
18. Species Cacospongia compacta Poléjaeff, 1884 accepted as Psammocinia compacta (Poléjaeff, 1884) (genus transfer)
19. Species Cacospongia coreana (Lee & Sim, 2005) accepted as Smenospongia coreana Lee & Sim, 2005 (reverted genus transfer)
20. Species Cacospongia dendroides Poléjaeff, 1884 accepted as Ircinia polejaeffi Van Soest & Hooper, 2020 (genus transfer)
21. Species Cacospongia exemplum Lendenfeld, 1885 accepted as Thorecta exemplum (Lendenfeld, 1885) (nomen nudum and genus transfer)
22. Species Cacospongia friabilis Poléjaeff, 1884 accepted as Ircinia friabilis (Poléjaeff, 1884) (genus transfer)
23. Species Cacospongia herdmani (Dendy, 1905) accepted as Luffariella herdmani (Dendy, 1905) (genus transfer)
24. Species Cacospongia incognita Desqueyroux-Faúndez & van Soest, 1997 accepted as Scalarispongia incognita (Desqueyroux-Faúndez & van Soest, 1997) (genus transfer)
25. Species Cacospongia irregularis Poléjaeff, 1884 accepted as Ircinia irregularis (Poléjaeff, 1884) (genus transfer)
26. Species Cacospongia lamellaris (Lamarck, 1814) accepted as Lendenfeldia plicata (Esper, 1806) (genus transfer)
27. Species Cacospongia lamellosa (Esper, 1794) accepted as Phyllospongia foliascens (Pallas, 1766) (genus transfer)
28. Species Cacospongia linteiformis (Lamarck, 1814) accepted as Scalarispongia lamarcki Van Soest, 2024 (genus transfer)
29. Species Cacospongia mollior sensu Ridley, 1884 accepted as Spongia (Spongia) hispida Lamarck, 1814 (genus transfer and misidentification)
30. Species Cacospongia murrayi Poléjaeff, 1884 accepted as Thorecta murrayi (Poléjaeff, 1884) (genus transfer)
31. Species Cacospongia oligoceras Poléjaeff, 1884 accepted as Ircinia oligoceras (Poléjaeff, 1884) (genus transfer)
32. Species Cacospongia poculum Selenka, 1867 accepted as Phyllospongia foliascens (Pallas, 1766) (genus transfer & junior synonym)
33. Species Cacospongia prima Lendenfeld, 1885 accepted as Thorecta prima (Lendenfeld, 1885) (genus transfer)
34. Species Cacospongia procumbens Poléjaeff, 1884 accepted as Ircinia procumbens (Poléjaeff, 1884) (genus transfer)
35. Species Cacospongia proficens Pulitzer-Finali & Pronzato, 1981 accepted as Scalarispongia proficens (Pulitzer-Finali & Pronzato, 1981) (genus transfer)
36. Species Cacospongia ramosa (Thiele, 1899) accepted as Pseudoceratina purpurea (Carter, 1880)
37. Species Cacospongia scalaris Schmidt, 1862 accepted as Scalarispongia scalaris (Schmidt, 1862) (genus transfer)
38. Species Cacospongia schmidtii Marenzeller, 1878 accepted as Spongionella pulchella (Sowerby, 1804) (genus transfer & junior synonym)
39. Species Cacospongia similis Thiele, 1905 accepted as Scalarispongia similis (Thiele, 1905) (genus transfer)
40. Species Cacospongia spinifera Poléjaeff, 1884 accepted as Hyrtios spinifer (Poléjaeff, 1884) (genus transfer)
41. Species Cacospongia spongeliformis Wilson, 1902 accepted as Hyrtios violaceus (Duchassaing & Michelotti, 1864)
42. Species Cacospongia tuberculata Poléjaeff, 1884 accepted as Sarcotragus tuberculatus (Poléjaeff, 1884) (genus transfer)
43. Species Cacospongia vesiculifera Poléjaeff, 1884 accepted as Psammocinia vesiculifera (Poléjaeff, 1884) (genus transfer)

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