Ramphoprionid

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?)

References

  1. Eriksson, Mats (September 2001), Silurian Ramphoprionid Polychaetes From Gotland, Sweden 1 (75), pp. 993–1015, doi:10.1666/0022-3360(2001)075<0993:SRPFGS>2.0.CO