Pentremites
| Pentremites Temporal range:   | |
|---|---|
| Pentremites godoni from the Lower Carboniferous of Illinois. | |
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| Family: | Pentremitidae  | 
| Genus: | Pentremites Say, 1820  | 
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Pentremites is an extinct genus of blastoid echinoderm belonging to the family Pentremitidae.