Parent taxon: Polychaeta according to J. J., Jr. Sepkoski 2002
Sister taxa: Aciculata, 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, Siboglinidae, Soris, Spiomorpha, Spiroglyphus, Stoma, Terebellomorpha, Tosalorbis, Tubicola, Tubulelloides, Tymbochoos
Subtaxa: Asterosalpinx Bipygmaeus Camptosalpinx Cementula Chaetosalpinx Circeis Clavulites Conora Cubiculovinea Cycloserpula Diploconcha Discouvermetulus Ditrupula Filogranula Flucticularia Galeolaria Genicularia Gitonia Hamulus Hicetes Howellitubus Hydroides Iquitosia Janita Jereminella Laqueoserpula Longitubus Metalaeospira Metavermilia Mucroserpula Muroserpula Neodexiospira Neomicrorbis Neovermilia Ornatoporta Orthoconorca Paliurus Paralaeospira Pegmaticula Pentaditrupa Phragmosalpinx Pileolaria Placostegus Pomatoceros Protectoconorca Proterula Protulites Salmacina Sarcinella Sclerostyla Semiserpula Serpentula Serpularia Serpulites Sinuocornu Spiraserpula Streptindytes Tetraserpula Torlessia Vepreculina Vermilia Vermiliopsis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Quaternary of Antarctica (6 collections), Barbados (1), Greece (2), Italy (5), Mexico (1), United States (5: California, North Carolina, Virginia), Venezuela (1)
• Pliocene of Italy (3), Venezuela (1)
• Miocene of Austria (2), Poland (2), Spain (1)
• Eocene to Oligocene of United States (1: Washington)
• Eocene of Germany (1), the United Kingdom (2), United States (1: Washington)
• Paleocene of United States (3: Alabama, New Jersey, Texas)
• Cretaceous of Argentina (8), Chile (2), Cuba (1), Czechia (7), France (11), Germany (2), Switzerland (9), Ukraine (1), the United Kingdom (3), United States (254: Alabama, Alaska, Arizona, Arkansas, Colorado, Delaware, Georgia, Maryland, Mississippi, Missouri, New Jersey, North Carolina, South Carolina, Tennessee, Texas, Wyoming)
• Jurassic of Argentina (5), France (8), Germany (3), India (25), Israel (1), Luxembourg (2), Portugal (12), the Russian Federation (1), Slovakia (1), Spain (3), Tanzania (3), Tunisia (1), the United Kingdom (10), United States (3: Utah)
• Permian of Pakistan (2)
• Devonian of Brazil (10), Czechia (1), Germany (3), Morocco (2), South Africa (2), Uruguay (1)
• Silurian of Estonia (1), Poland (1), the United Kingdom (23), United States (3: Maryland, New York, Wisconsin)
• Letna of Czechia (1)
• Ordovician of Canada (1: Ontario), Norway (3), United States (13: New York, Ohio, Vermont)
Total: 481 collections including 621 occurrences