Parent taxon: Polychaeta according to M. D. Sutton et al. 2001
See also Glasby et al. 2000
Sister taxa: Aeolosomatidae, Amphinomorpha, Arachnostega, Bundenbachochaeta, Caprascolex, Drilomorpha, Ebetallites, Eopolychaetus, Eotrophonia, Eunicemorpha, Eunicida, Flabelligerimorpha, Geophilus proavus, Haileyia, Hammatopsis, Hesionites, Hirudopsis, Khemisina, Klakesia, Leodicidae, Lockportia, Maucheria, Microtubus, Miskoiida, Nawnites, Oliveirania, Onuphionella, Palaeotubus, Palpata, Parergodrilidae, Phragmochaetidae, Phyllodocemorpha, Pontobdellopsis, Potamodrilidae, Propolynoe, Psammodrilidae, Pyllodocida, Ramesses, Ruedemannella, Sarcionata, Schizoproboscina, Sedentarida, Serpulimorpha, Siboglinidae, Soris, Spiomorpha, Spiroglyphus, Stoma, Terebellomorpha, Tosalorbis, Tubicola, Tubulelloides, Tymbochoos
Subtaxa: Aberrantidae Amphinomida Kenostrychus Nerillidae Phyllodocida Spintheridae
Ecology: epifaunal detritivore