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sponges fossil
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New species of fossil sponges from Little Metis, province of Quebec, Canada
New species of fossil sponges from Little Metis, province of Quebec, Canada
By John William Dawson
On a new genus of siliceous sponges from the Trenton formation at Ottawa
On a new genus of siliceous sponges from the Trenton formation at Ottawa
By George Jennings Hinde
Annotated bibliography of Lower Paleozoic sponges of North America
By J. Keith Rigby
Treatise on invertebrate paleontology
By J. Keith Rigby
Sponges of the Middle Cambrian Burgess Shale and Stephen Formations, British Columbia
Sponges of the Middle Cambrian Burgess Shale and Stephen Formations, British Columbia
By J. Keith Rigby
On new species of fossil sponges from the Siluro-Cambrian at Little Metis on the lower St. Lawrence
On new species of fossil sponges from the Siluro-Cambrian at Little Metis on the lower St. Lawrence
By John William Dawson
Middle Silurian Ludlovian and Wenlockian sponges from Baillie-Hamilton and Cornwallis islands, Arctic Canada
Middle Silurian Ludlovian and Wenlockian sponges from Baillie-Hamilton and Cornwallis islands, Arctic Canada
By J. Keith Rigby
Bestandskatalog der Kreideschwamm-Originale im Institut und Museum für Geologie und Paläontologie, Göttingen, und im Roemer-Museum, Hildesheim
By Hans Jahnke
Ordovician lithistid sponges of the Great Basin
Ordovician lithistid sponges of the Great Basin
By Ronald A. Johns
Ueber permo-carbon-schwämme von Spitzbergen
Ueber permo-carbon-schwämme von Spitzbergen
By Dunikowski, Emil Ritter von
Proceedings of the VI. International Symposium on Fossil Cnidaria and Porifera held in Münster, Germany 9.-14. September 1991
Proceedings of the VI. International Symposium on Fossil Cnidaria and Porifera held in Münster, Germany 9.-14. September 1991
By International Symposium on Fossil Cnidaria and Porifera (6th 1991 Münster, Germany).
New Carboniferous and Permian sponges
New Carboniferous and Permian sponges
By Ralph H. King
Late Devonian sponges of Western Australia
Late Devonian sponges of Western Australia
By J. Keith Rigby
Late Ordovician sponges from the Malongulli Formation of central New South Wales, Australia
Late Ordovician sponges from the Malongulli Formation of central New South Wales, Australia
By J. Keith Rigby
North American Pleospongia
By Vladimir Joseph Okulitch
Fossil Cnidaria 5
Fossil Cnidaria 5
By International Symposium on Fossil Cnidaria (5th 1988 Brisbane, Australia).
Notice of a new fossil body, probably a sponge related to Dictyophyton
Notice of a new fossil body, probably a sponge related to Dictyophyton
By Robert Parr Whitfield
Further notes on Cyathospongia (Archaeocyathi) and other organisms
Further notes on Cyathospongia (Archaeocyathi) and other organisms
By Robert Arthur Bedford
Tremacystia, Barroisia, and the status of Sphinctozoida (Thalamida) as Porifera
Tremacystia, Barroisia, and the status of Sphinctozoida (Thalamida) as Porifera
By R. E. H. Reid
Sponges of the Burgess Shale (Middle Cambrian), British Columbia
Sponges of the Burgess Shale (Middle Cambrian), British Columbia
By J. Keith Rigby
Arkheotsiaty Sibirskoǐ platformy
Arkheotsiaty Sibirskoǐ platformy
By I.T Zhuravleva
Upper Jurassic siliceous sponges from the Swabian Alb
Upper Jurassic siliceous sponges from the Swabian Alb
By Andrzej Pisera