{{Automatic Taxobox
| taxon = Archiannelida
| authority = Hatschek, 1878
| fossil_range = 寒武紀或更早期到現在
| name = Polychaetes
| image = Polygordius appendiculatus.jpg
| image_caption = An image of Polygordius appendiculatus, an archiannelid species.
| subdivision_ranks = 科 。
本目物種皆已知並沒有外在的環節，而且全是雌雄同体，跟其他多毛綱物種不同。
分類
本分類本來包括以下五個科：
*Dinophilidae Remane, 1925
*Nerillidae Levinsen, 1883
*Polygordiidae Czerniavsky, 1881
**Polygordius
*Protodrilidae Hatschek, 1888
**Protodrilus
*囊鬚蟲科 Saccocirridae Czerniavsky, 1881
*囊鬚蟲屬 Saccocirrus*
但WoRMS認為這五個科除了皆為之外就沒有其他共通點，所以認為這個分類有問題：
*Family: Aeolosomatidae (platthuvudsmaskar)
*Genus: Hrabeiella
*Family Parergodrilidae Reisinger, 1925
*Family Psammodrilidae Swedmark, 1952
*Family Protodriloididae Purschke & Jouin, 1988
*Family: Diurodrilidae
*Family: Aberrantidae Wolf, 1987
*Genus: Diplochaetetes Wilson, 1986
*Genus: Enigma
*Family Histriobdellidae Vaillant, 1890
*Genus Kalaminochaeta Haecker, 1898
*Genus Kalymmaria Nolte, 1942
*Family Laetmonectidae
*Genus Pseudocirratulus Augener, 1922
*Family Spintheridae Augener, 1913
參看
*Appendiculata
參考文獻
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