Raphidonema is an extinct genus of calcareous sponges that belong to the family Endostomatidae.Taxonomicon
Fossil record This genus is known in the fossil records from the Cretaceous period of France and United Kingdom around 136.5 million years ago to the Eocene of India around 37.2 million years ago.Paleobiology Database
This genus can be found in the Faringdon Sands (Faringdon Sponge Gravel Member) and Atherfield Clay Formation. Species found there include R. contortum, R. porcatum, R. farringdonensis, R. macropora and R. pustulatum.Sendino, Consuelo & Kershaw, Stephen. (2024). Sponges of the Lower Greensand Group (Lower Cretaceous) of England; a revision. 10.1101/2024.06.28.601142. A species belonging to this genus (Raphidonema indica) has been reported in the Fulra Limestone Formation of Kutch, India dating to the middle Eocene epoch.
Species Raphidonema contortum Hinde, 1884 Raphidonema farringdonense Sharpe, 1854 Raphidonema indica Rigby, J. K., & Mohanti, M., 1990 Raphidonema macropora Sharpe, 1854 Raphidonema porcatum Sharpe, 1854 Raphidonema pustulatum Hinde, 1884
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