Dodatak:Popis spužvi, Si
Sig uredi
Sigmaxinella Dendy, 1897 uredi
- Sigmaxinella arborea Kirkpatrick, 1903
- Sigmaxinella australiana Dendy, 1897
- Sigmaxinella cearense Salani, Lotufo & Hajdu, 2006
- Sigmaxinella dendroides Whitelegge, 1907
- Sigmaxinella flabellata (Carter, 1885)
- Sigmaxinella florida Brøndsted, 1924
- Sigmaxinella hipposiderus Mitchell, Hall & Hooper, 2011
- Sigmaxinella incrustans Kirkpatrick, 1903
- Sigmaxinella papillata Brøndsted, 1924
- Sigmaxinella ramosa (Carter, 1883)
- Sigmaxinella soelae Hooper, 1984
- Sigmaxinella stylotata Brøndsted, 1924
- Sigmaxinella viminalis Hallmann, 1916
Porifera → Demospongiae → Heteroscleromorpha → Biemnida → Biemnidae
Sigmeurypon Topsent, 1928 uredi
- Sigmeurypon fascispiculiferum (Carter, 1880)
Porifera → Demospongiae → Heteroscleromorpha → Poecilosclerida → Microcionidae → Ophlitaspongiinae
Sigmosceptrella Dendy, 1922 uredi
- Sigmosceptrella carlinae (Boury-Esnault & van Beveren, 1982)
- Sigmosceptrella fibrosa (Dendy, 1897)
- Sigmosceptrella hospitalis Desqueyroux-Faúndez & van Soest, 1997
- Sigmosceptrella quadrilobata Dendy, 1922
Porifera → Demospongiae → Heteroscleromorpha → Poecilosclerida → Podospongiidae
Sil uredi
Siliquariaspongia Hoshino, 1981 uredi
- Siliquariaspongia japonica Hoshino, 1981
Porifera → Demospongiae → Heteroscleromorpha → Tetractinellida → Astrophorina → Theonellidae
Sip uredi
Porodica Siphonidiidae Lendenfeld, 1903 uredi
- Gastrophanella Schmidt, 1879
- Lithobactrum Kirkpatrick, 1903
- Siphonidium Schmidt, 1879
Porifera → Demospongiae → Heteroscleromorpha → Tetractinellida → Spirophorina
Siphonidium Schmidt, 1879 uredi
- Siphonidium capitatum Sollas, 1888
- Siphonidium dendyi (Burton, 1928)
- Siphonidium dubium Lévi, 1959
- Siphonidium geminum (Schmidt, 1879)
- Siphonidium ramosum (Schmidt, 1870)
Porifera → Demospongiae → Heteroscleromorpha → Tetractinellida → Spirophorina → Siphonidiidae
Siphonochalina Schmidt, 1868 uredi
- Siphonochalina asterigena (Schmidt, 1868)
- Siphonochalina balearica Ferrer-Hernandez, 1916
- Siphonochalina coriacea Schmidt, 1868
- Siphonochalina deficiens Pulitzer-Finali, 1982
- Siphonochalina expansa Sarà, 1960
- Siphonochalina fortis Ridley, 1881
- Siphonochalina intersepta (Topsent, 1928)
- Siphonochalina lyrata (Lamarck, 1814)
Porifera → Demospongiae → Heteroscleromorpha → Haplosclerida → Callyspongiidae
Siphonodictyon Bergquist, 1965 uredi
- Siphonodictyon brevitubulatum Pang, 1973
- Siphonodictyon cachacrouense Rützler, 1971
- Siphonodictyon coralliirubri (Calcinai, Cerrano & Bavestrello, 2007)
- Siphonodictyon coralliphagum Rützler, 1971
- Siphonodictyon crypticum (Carballo, Hepburn, Nava, Cruz-Barraza & Bautista-Guerrero, 2007)
- Siphonodictyon densum (Schmidt, 1870)
- Siphonodictyon diagonoxeum (Thomas, 1968)
- Siphonodictyon infestum (Johnson, 1889)
- Siphonodictyon insidiosum (Johnson, 1889)
- Siphonodictyon labyrinthicum (Hancock, 1849)
- Siphonodictyon maldiviensis (Calcinai, Cerrano, Sarà & Bavestrello, 2000)
- Siphonodictyon microterebrans (Calcinai, Cerrano & Bavestrello, 2007)
- Siphonodictyon minutum (Thomas, 1973)
- Siphonodictyon mucosum Bergquist, 1965
- Siphonodictyon nodosum (Hancock, 1849)
- Siphonodictyon occultum Rützler, Piantoni, van Soest, Díaz, 2014
- Siphonodictyon paratypicum (Fromont, 1993)
- Siphonodictyon ruetzleri (Calcinai, Cerrano & Bavestrello, 2007)
- Siphonodictyon siphonum (de Laubenfels, 1949)
- Siphonodictyon terebrans (Schmidt, 1870)
- Siphonodictyon viridescens (Schmidt, 1880)
- Siphonodictyon xamaycaense Pulitzer-Finali, 1986
Porifera → Demospongiae → Heteroscleromorpha → Haplosclerida → Phloeodictyidae