Sponge
Phylum: PORIFERA Grant, 1872 | ||
Class: HEXACTINELLIDA Sollas, 1887 | ||
| Paleozoic Sponge Genera | ||
| Clathrospongia | Thamnodictya | Dictospongia |
| Pileospongia | ||
Class: DEMOSPONGIA Sollas, 1875 | ||
| Belemnospongia | Astylospongia | Palaeomanon |
| Hindia | Heterospongia | |
Class: CALCAREA Bowerbank, 1864 | ||
| Wewokella | Regispongia | |
Class: HYALOSPONGIA Vosmaer, 1886 | ||
| Astraeospongia | ||
Class: STROMATOPOROIDEA Nicholson and Murie, 1878 | ||
| Genus undetermined | ||
