| Ramphoprionid Temporal range: Ordovician(or earlier?) - Silurian (or later?) |
|
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Annelida |
| Class: | Polychaeta |
| Family: | Ramphoprionida |
The Ramphoprionids are a family of polychaete worms known from the Ordovician and Silurian periods[1] (and more?)