''Raphidonema'' is an extinct genus of calcareous sponges.
Fossil records
This genus is known in the fossil records from the
Cretaceous
The Cretaceous ( ) is a geological period that lasted from about 143.1 to 66 mya (unit), million years ago (Mya). It is the third and final period of the Mesozoic Era (geology), Era, as well as the longest. At around 77.1 million years, it is the ...
period of France and United Kingdom to the
Eocene
The Eocene ( ) is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes ...
of
India
India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
(age range: from 136.4 to 37.2 million years ago).
Paleobiology Database
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Species
* †''Raphidonema farringdonense'' Sharpe
References
Prehistoric sponge genera
Calcaronea
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