Parent taxon: Polychaeta according to P. Tonarová 2008
See also Glasby et al. 2000 and Schram 1979
Sister taxa: Aciculata, Aeolosomatidae, Amphinomorpha, Arachnostega, Bundenbachochaeta, Caprascolex, Drilomorpha, Ebetallites, Eopolychaetus, Eotrophonia, Eunicemorpha, Flabelligerimorpha, Geophilus proavus, Haileyia, Hammatopsis, Hesionites, Hirudopsis, Khemisina, Klakesia, Leodicidae, Lockportia, Microtubus, Miskoa, Nawnites, Oliveirania, Onuphionella, Palaeotubus, Palpata, Parergodrilidae, Phragmochaetidae, Phyllodocemorpha, Pontobdellopsis, Potamodrilidae, Propolynoe, Psammodrilidae, Pyllodocida, Ramesses, Ruedemannella, Sarcionata, Schizoproboscina, Scolecida, Sedentarida, Serpulimorpha, Siboglinidae, Soris, Spiomorpha, Spiroglyphus, Stoma, Terebellomorpha, Tosalorbis, Tubicola, Tubulelloides, Tymbochoos
Subtaxa: Atraktoprionidae Diurodrilidae Dorvilleidae Eunicea Eunicidae Gilsonicaris Hartmaniellidae Histriobdellidae Kalloprionidae Lumbrinereidae Lumbrineridae Lunoprionella Mochtyellidae Oenonidae Onuphidae Polychaetaspidae Polychaeturidae Ramphoprionidae
Ecology: epifaunal detritivore