''Prosostoma'' is an extinct genus of

sea urchin Sea urchins or urchins () are echinoderms in the class (biology), class Echinoidea. About 950 species live on the seabed, inhabiting all oceans and depth zones from the intertidal zone to deep seas of . They typically have a globular body cove ...

s belonging to the family Asterostomatidae. These slow-moving shallow infaunal deposit feeder-detritivores lived during 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 Cuba, from 55.8 to 33.9 Ma.Sepkoski, Jac
Sepkoski's Online Genus Database - Echinodermata
/ref>

Species

* ''Prosostoma jimenoi'' Cotteau 1870

References

External links

Natural History Museum
Spatangoida Eocene animals of North America Fossils of Cuba Fossil taxa described in 1883 {{paleo-echinoidea-stub