Sponges through time

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