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, Microtubus, Miskoa, Nawnites, Oliveirania, Onuphionella, Palaeotubus, Palpata, Parergodrilidae, Phragmochaetidae, Phyllodocemorpha, Pontobdellopsis, Potamodrilidae, Propolynoe, Psammodrilidae, Pyllodocida, Ramesses, Ruedemannella, Sarcionata, Schizoproboscina, Scolecida, 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 Protulophila Salmacina Sarcinella Sclerostyla Semiserpula Serpentula Serpularia Serpulites Serpulopsis 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 (7), Chile (2), Cuba (1), the Czech Republic (7), France (11), Germany (2), Switzerland (9), Ukraine (1), the United Kingdom (3), United States (243: 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)
• Carboniferous of United States (2: Maryland)
• Devonian of Brazil (10), the Czech Republic (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 the Czech Republic (1)
• Ordovician of Canada (1: Ontario), Norway (3), United States (11: New York, Ohio)
• Tremadoc of United States (2: New York, Vermont)
Total: 471 collections including 609 occurrences