Raphidonema is an extinct genus of calcareous sponges.[1]
| Raphidonema Temporal range:
| |
|---|---|
| |
| Raphidonema sp. from England. | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Porifera |
| Class: | Calcarea |
| Order: | †Stellispongiida |
| Family: | †Endostomatidae |
| Genus: | †Raphidonema Hinde, 1883 |
Fossil records
editThis 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
edit- †Raphidonema farringdonense Sharpe
References
edit
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