Ramphoprionidae is a family of polychaete worms known from the Ordovician and Silurian periods.[1]
| Ramphoprionidae Temporal range: Ordovician(or earlier?) - Silurian (or later?)
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| Scientific classification | |
| Kingdom: | |
| Phylum: | |
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| Family: | Ramphoprionidae
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References
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