Amphicteis
Amphicteis is een geslacht van borstelwormen uit de familie van de Ampharetidae.

Soorten
 Amphicteis alaskensis Moore, 1905
 Amphicteis antarctica Hessle, 1917
 Amphicteis atlantica McIntosh, 1885
 Amphicteis bifolium Kucheruk, 1976
 Amphicteis chilensis Hartmann-Schröder, 1965
 Amphicteis dalmatica Hutchings & Rainer, 1979
 Amphicteis fiegei Reuscher, 2017
 Amphicteis glabra Moore, 1905
 Amphicteis gunneri (M. Sars, 1835)
 Amphicteis hwanghaiensis Wang, Sui, Li, Hutchings & Nogueira, 2020
 Amphicteis japonica McIntosh, 1885
 Amphicteis malayensis Caullery, 1944
 Amphicteis mederi Annenkova, 1929
 Amphicteis midas (Gosse, 1855)
 Amphicteis mucronata Moore, 1923
 Amphicteis nasuta Ehlers, 1887
 Amphicteis nikiti Jirkov, 2018
 Amphicteis ninonae Jirkov, 1985
 Amphicteis obscurior Chamberlin, 1919
 Amphicteis orphnius Chamberlin, 1919
 Amphicteis pennata Jeldes & Lefevre, 1959
 Amphicteis philippinarum Grube, 1878
 Amphicteis posterobranchiata Fauvel, 1932
 Amphicteis quadridentata Caullery, 1944
 Amphicteis sarsi McIntosh, 1885
 Amphicteis scaphobranchiata Moore, 1906
 Amphicteis sibogae Caullery, 1944
 Amphicteis spinosa Reuscher, Fiege & Imajima, 2015
 Amphicteis sundevalli Malmgren, 1866
 Amphicteis taurus Reuscher, Fiege & Imajima, 2015
 Amphicteis teresae Schiaparelli & Jirkov, 2016
 Amphicteis theeli Caullery, 1944
 Amphicteis trichophora Hartman, 1965
 Amphicteis uncopalea Chamberlin, 1919
 Amphicteis wesenbergae Parapar, Helgason, Jirkov & Moreira, 2011

Taxon inquirendum 
 Amphicteis wyvillei McIntosh, 1885

Synoniemen 
 Amphicteis acutifrons Grube, 1860 => Ampharete acutifrons (Grube, 1860)
 Amphicteis antiqua Ostroumoff, 1896 => Hypania antiqua (Ostroumoff, 1896)
 Amphicteis brevispinis Grube, 1860 => Hypania brevispinis (Grube, 1860)
 Amphicteis brivispinis [original author misspelling] => Hypania brevispinis (Grube, 1860)
 Amphicteis curvipalea Claparède, 1870 => Amphicteis gunneri (M. Sars, 1835)
 Amphicteis finmarchica Sars, 1865 => Ampharete finmarchica (M. Sars, 1865)
 Amphicteis floridus Hartman, 1951 => Hobsonia florida (Hartman, 1951)
 Amphicteis foliata Haswell, 1883 => Phyllamphicteis foliata (Haswell, 1883)
 Amphicteis fragilis Wollebaek, 1912 => Lysippe fragilis (Wollebaek, 1912)
 Amphicteis groenlandica Grube, 1860 => Amphicteis gunneri (M. Sars, 1835)
 Amphicteis intermedia Marion, 1875 => Ampharete intermedia Marion, 1876 => Ampharete grubei Malmgren, 1865 => Ampharete acutifrons (Grube, 1860)
 Amphicteis invalida Grube, 1860 => Hypania invalida (Grube, 1860)
 Amphicteis kowalewskii Grimm, 1877 => Hypaniola kowalewskii (Grimm, 1877)
 Amphicteis procera Ehlers, 1887 => Sosane procera (Ehlers, 1887)
 Amphicteis sargassoensis Hartman & Fauchald, 1971 => Jugamphicteis sargassoensis (Hartman & Fauchald, 1971)
 Amphicteis vega Wirén, 1883 => Ampharete vega (Wirén, 1883)
 Amphicteis vestis Hartman, 1965 => Tanseimaruana vestis (Hartman, 1965)
 Amphicteis weberi Caullery, 1944 => Paramphicteis weberi (Caullery, 1944)

Ampharetidae