Synaphobranchidae

Atractodenchelys Robins & Robins, 1970

Diastobranchus Barnard, 1923

Dysomma Alcock, 1889

Dysommina Ginsburg, 1951

Haptenchelys Robins & Martin in Robins & Robins, 1976

Histiobranchus Gill, 1883

Ilyophis Gilbert, 1891

Linkenchelys Smith, 1989

Meadia Böhlke, 1951

Media

Simenchelys Gill in Goode & Bean, 1879

Synaphobranchu

Synaphobranchus Johnson, 1862

Synapobranchus

Thermobiotes Geistdoerfer, 1991