Porifera

Aulocopium Oswald, 1847

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., Hacht, U. von 2000. Ordovician erratic sponges from Gotland, Sweden. GFF 122, 4, 339-349. DOI:10.1080/11035890001224339
References based on distribution