| Ramphoprionidae Temporal range: Ordovician(or earlier?) - Silurian (or later?) | |
|---|---|
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| Family: | Ramphoprionidae Kielan-Jaworowska, 1966 |
Ramphoprionidae is a family of polychaete worms known from the Ordovician and Silurian periods. [1]