Raphidonema (sponge)
Raphidonema is an extinct genus of calcareous sponges.[1]
| Raphidonema | |
|---|---|
 | |
| Raphidonema sp. from England. | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Porifera |
| Class: | Calcarea |
| Order: | †Pharetronida |
| Genus: | †Raphidonema Hinde, 1883 |
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
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