China Chengjiang Lower Cambrian Allantospongia mica Rigby and Hou 1995, 33 mm |
Utah Middle Cambrian Choia |
Diagoniella |
Utah Middle Cambrian Diagoniella |
A group of Crummillospongia "purse sponges" with alga and hylothid |
Crummillospongia 1.jpg |
Leptomitus bellilineata, 155 mm individual, Marjum Formation, Middle Cambrian, Millard County, Utah |
Morocco Ordovician Pirania |
Pirania, Fezouata |
Pirania, Fezouata, 20 mm |
Undescribed sponge, 30mm across from the Ordovician of Wales |
New York Ordovician sponge |
New York Ordovician sponge |
Sponges New York 1.jpg |
Sponges New York 2.jpg |
Sponges and orthocones.jpg |
Astraeospongia 42mm, Silurian, Tennessee, showing stellate spicules |
A Lower Devonian sponge from Bundenbach, Germany, Retifungus |
Devonian Retifungus in X-radiograph |
Hydnoceras, a 95 mm hexactinellid sponge from the Late Devonian Chemung Group of New York |
Lower Carboniferous Bear Gulch sponge, Montana, USA |
Glass Mountains sponges, Permian, West Texas |
Craterospongia concentrica, Middle Jurassic, Horn Park Quarry, Beaminster |
Cretaceous Farringdon sponge |
Cretaceous Farringdon sponge |
Cretaceous Raphidonema |
Peronidella ramosa, 7 cm, Farringdon Sponge Gravels, Berkshire |
Peronidella , 58 mm, Faringdon sponge gravels |
Sponge from the Flamborough Sponge Bed, Sewerby |
Seliscothon planum 105mm, Upper Chalk. Sewerby, Yorkshire, UK. |
Siphonia (Pachycalymma) subglobosa 165mm, Upper Chalk. Sewerby, Yorkshire, UK. |
Siphonia koenigi 105mm, Upper Chalk. Sewerby, Yorkshire, UK. |
UK Cretaceous Chalk Porosphaera |
UK Cretaceous Chalk Porosphaera |
Sowerby sponges.jpg |
rooted sponge 1.jpg |
Hannover sponge top view-6.jpg |
Hannover coelo 1-5.jpg |
Germany Cretaceous sponge detail |