Hedgpethia is a genus of sea spiders in the family Colossendeidae. The genus was named after the marine biologist and sea spider specialist Joel Hedgpeth.
It includes the following species :
- Hedgpethia articulata <small>Loman, 1908</small> — Flores Sea
- Hedgpethia atlantica <small>(Stock, 1970)</small> — Josephine Bank, Northwest Africa
- Hedgpethia bicornis <small>Losina-Losinsky and Turpaeva, 1958</small> — Pacific Ocean: southeast of Kuril Islands, Okhotsk Sea
- Hedgpethia brevitarsis <small>Losina-Losinsky and Turpaeva, 1958</small> — Okhotsk Sea
- Hedgpethia californica <small>Hedgpeth, 1939</small> — Pacific Ocean: South California (in green mud)
- Hedgpethia caudata <small>Turpaeva, 1993</small> — Pacific Ocean, 3,000 m deep
- Hedgpethia chitinosa <small>Hilton, 1943</small> — Pacific Ocean: California coast
- Hedgpethia dampieri <small>Child, 1975</small> — Indian Ocean: west of Lancelin Island, Australia
- Hedgpethia dofleini <small>Loman, 1911</small> — Pacific Ocean: Misaki, Sagami Bay, Japan
- Hedgpethia magnirostris <small>Arnaud and Child, 1988</small> — Indian Ocean: Zululand area, South Africa
- Hedgpethia nasica <small>Child, 1994</small> — Pacific Ocean: west of Point Arguelo, California (on otter trawl)
- Hedgpethia tibialis <small>Stock, 1991</small> — New Caledonia