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Raphidonema (sponge)
Extinct genus of sponges From Wikipedia, the free encyclopedia
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Raphidonema is an extinct genus of calcareous sponges.[1]
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Fossil records
This genus is known in the fossil records from the Cretaceous period of France and United Kingdom to the Eocene of India (age range: from 136.4 to 37.2 million years ago).[2]
Species
- †Raphidonema farringdonense Sharpe
References
Wikiwand - on
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