Dodatak:Popis spužvi, Si

Sig

Sigmaxinella Dendy, 1897

• 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

• Sigmeurypon fascispiculiferum (Carter, 1880)

Porifera → Demospongiae → Heteroscleromorpha → Poecilosclerida → Microcionidae → Ophlitaspongiinae

Sigmosceptrella Dendy, 1922

• 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

Siliquariaspongia Hoshino, 1981

• Siliquariaspongia japonica Hoshino, 1981

Porifera → Demospongiae → Heteroscleromorpha → Tetractinellida → Astrophorina → Theonellidae

Sip

Porodica Siphonidiidae Lendenfeld, 1903

• Gastrophanella Schmidt, 1879
• Lithobactrum Kirkpatrick, 1903
• Siphonidium Schmidt, 1879

Porifera → Demospongiae → Heteroscleromorpha → Tetractinellida → Spirophorina

Siphonidium Schmidt, 1879

• 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

• 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

1. Siphonodictyon brevitubulatum Pang, 1973
2. Siphonodictyon cachacrouense Rützler, 1971
3. Siphonodictyon coralliirubri (Calcinai, Cerrano & Bavestrello, 2007)
4. Siphonodictyon coralliphagum Rützler, 1971
5. Siphonodictyon crypticum (Carballo, Hepburn, Nava, Cruz-Barraza & Bautista-Guerrero, 2007)
6. Siphonodictyon densum (Schmidt, 1870)
7. Siphonodictyon diagonoxeum (Thomas, 1968)
8. Siphonodictyon infestum (Johnson, 1889)
9. Siphonodictyon insidiosum (Johnson, 1889)
10. Siphonodictyon labyrinthicum (Hancock, 1849)
11. Siphonodictyon maldiviensis (Calcinai, Cerrano, Sarà & Bavestrello, 2000)
12. Siphonodictyon microterebrans (Calcinai, Cerrano & Bavestrello, 2007)
13. Siphonodictyon minutum (Thomas, 1973)
14. Siphonodictyon mucosum Bergquist, 1965
15. Siphonodictyon nodosum (Hancock, 1849)
16. Siphonodictyon occultum Rützler, Piantoni, van Soest, Díaz, 2014
17. Siphonodictyon paratypicum (Fromont, 1993)
18. Siphonodictyon ruetzleri (Calcinai, Cerrano & Bavestrello, 2007)
19. Siphonodictyon siphonum (de Laubenfels, 1949)
20. Siphonodictyon terebrans (Schmidt, 1870)
21. Siphonodictyon viridescens (Schmidt, 1880)
22. Siphonodictyon xamaycaense Pulitzer-Finali, 1986

Porifera → Demospongiae → Heteroscleromorpha → Haplosclerida → Phloeodictyidae