†superfamily Eunicea (worm)
Parent taxon: Eunicida according to P. Tonarová 2008
See also Ehlers 1869
Sister taxa: Atraktoprionidae, Diurodrilidae, Dorvilleidae, Eunicidae, Gilsonicaris, Hartmaniellidae, Histriobdellidae, Kalloprionidae, Lumbrinereidae, Lumbrineridae, Lunoprionella, Mochtyellidae, Oenonidae, Onuphidae, Polychaetaspidae, Polychaeturidae, Ramphoprionidae
Subtaxa: Kozlowskiprion Paulinitidae
Ecology: epifaunal detritivore
Distribution:
• Silurian of the Czech Republic (23 collections), the Russian Federation (3), Sweden (16)
• Ordovician of Canada (1: Quebec), the Czech Republic (1), Estonia (2)
Total: 46 collections including 126 occurrences