Order
Streptosclerophorida Dendy, 1924
Selection of related publications
Rhebergen, F. 2009. Ordovician sponges (Porifera) and other silicifications from Baltica in Neogene and Pleistocene fluvial deposits of the Netherlands and northern Germany.  Estonian Journal of Earth Sciences   58,   1,   24-37. DOI:10.3176/earth.2009.1.03
Rhebergen, F. 2007. Revision of the species Astraeospongium Patina Roemer, 1861, based on Ordovician bedrock specimens from Estonia.  GFF   129,   1,   17-22. DOI:10.1080/11035890701291017
Rhebergen, F. 2004. A new Ordovician astylospongiid sponge (Porifera) as an erratic from Baltica.  Netherlands Journal of Geosciences    83,   4,   255-265. DOI:10.1017/S0016774600020357
Rhebergen, F. van Kempen, T. 2002. An unusual Silurian erratic astylospongiid (Porifera) from Gotland, Sweden.  GFF   124,   4,   185-192. DOI:10.1080/11035890201244185
Rhebergen, F., von Hacht, U. von 2000. Ordovician erratic sponges from Gotland, Sweden.  GFF   122,   4,   339-349. DOI:10.1080/11035890001224339
List of species
2. Astylospongia praemorsa (Goldfuss, 1826) | Ordovician
4. Carpospongia conwentzi Rauff, 1893 | Ordovician
6. Carpospongia langei von Hacht, 1994 | Ordovician
7. Carpospongia pogrebovi Assatkin, 1949 | Haljala Stage
10. Caryospongia diadema (Klöden, 1834) | Haljala Stage
13. Caryospongia roemeri (Hinde, 1883) | Jõhvi Substage
15. Palaeomanon cratera (Roemer, 1860) | Ordovician
17. Tympanospongia vankempeni Rhebergen, 2004 | Ordovician
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Porifera | 
| Class | Demospongea | 
| Subclass | Tetractinomorpha | 
| Order | Streptosclerophorida | 
| Suborder | Eutaxicladina | 
| Sphaerocladina |