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