Phymosoma is an extinct genus of echinoids that lived from the Cretaceous to the Eocene. Its remains have been found in Asia, Europe, and North America.

Phymosoma
Temporal range: Cretaceous-Eocene
Phymosoma granulosum fossil, Geological museum, Copenhagen
Scientific classification
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Phymosoma
Syngnathid and Phymosoma granulosum fossils at the Geological Museum in Copenhagen

Sources

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  • Fossils (Smithsonian Handbooks) by David Ward (Page 179)
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