Fossil sponge collections | Natural History Museum
Fossil Porifera (sponge) Amblysiphonella prosseri
PDF) The NHM Fossil Porifera Collection
Sponge (Porifera) spicules - Members Gallery - The Fossil Forum
Figure 3 from Porifera (Calcarea: Lithonida) from the Lower Miocene Batesford Limestone, Victoria, Australia, including a new species Monoplectroninia malonei sp. nov. | Semantic Scholar