The Oncopodidae are a family of harvestmen within the suborder Laniatores.
The name of the type genus is a combination of Ancient Greek onkos "swelling" and podos "leg".
Oncopodidae range in body size from about 2-11 mm. Their legs are relatively short and stout. Most species are amber colored with some dark brown patterns. A few undescribed Gnomulus species are orange.
This family is known from Southeast Asia from Indonesia, almost reaching New Guinea on Waigeo, up north into the Himalayan region.
Oncopodidae are probably the sister group to all other Grassatores.
Biantoncopus Martens & Schwendinger, 1998
Biantoncopus fuscus Martens & Schwendinger, 1998 — Leyte (Philippines)
Caenoncopus Martens & Schwendinger, 1998 — Sumatra
Caenoncopus affinis Martens & Schwendinger, 1998
Caenoncopus cuspidatus (P. J. Schwendinger, 1992)
Caenoncopus tenuis Martens & Schwendinger, 1998
Gnomulus Thorell, 1890
Gnomulus aborensis (Roewer, 1913) — Arunachal Pradesh (northeast India)
Gnomulus annulipes (Pocock, 1897) — Sarawak (Borneo)
Gnomulus armillatus (Thorell, 1891) — Sumatra
Gnomulus asli Martens & Schwendinger, 1998 — West Malaysia
Gnomulus baharu Schwendinger, in Martens & Schwendinger 1998
Gnomulus carinatus Schwendinger & Martens, 2002 — Kalimantan (Indonesia)
Gnomulus claviger Schwendinger & Martens, 2002 — Luzon (Philippines)
Gnomulus coniceps Martens & Schwendinger, 1998 — Luzon
Gnomulus conigerus (P. J. Schwendinger, 1992) — Sabah (Malaysia)
Gnomulus crassipes Schwendinger & Martens, 2002 — Luzon
Gnomulus crucifer Martens & Schwendinger, 1998 — Luzon
Gnomulus drescoi (Silhavy, 1962) — Sumatra
Gnomulus exsudans Schwendinger & Martens, 2002 — Sabah
Gnomulus goodnighti (Suzuki, 1977) — Mindanao (Philippines)
Gnomulus hamatus Schwendinger & Martens, 2002 — Luzon
Gnomulus hirsutus Martens & Schwendinger, 1998 — West Malaysia
Gnomulus hutan Schwendinger & Martens, 2002 — Sarawak
Gnomulus hyatti (Martens, 1977) — Nepal
Gnomulus imadatei (Suzuki, 1970) — Brunei
Gnomulus insularis (Roewer, 1927) — Penang? (Malaysia)
Gnomulus javanicus Schwendinger & Martens, 2002 — Java
Gnomulus laevis (Roewer, 1915) — Borneo
Gnomulus lannaianus (Schwendinger, 1992) — Thailand
Gnomulus laruticus Martens & Schwendinger, 1998 — West Malaysia
Gnomulus latoperculum Schwendinger & Martens, 2002 — Sulawesi
Gnomulus leofeae Schwendinger & Martens, 2002 — Burma
Gnomulus leyteensis Martens & Schwendinger, 1998 — Leyte
Gnomulus lomani Schwendinger & Martens, 2002 — Borneo, Sumatra?
Gnomulus maculatus Martens & Schwendinger, 1998 — Luzon
Gnomulus marginatus Schwendinger & Martens, 2002 — Thailand
Gnomulus matabesar Schwendinger & Martens, 2002 — Halmahera (Indonesia)
Gnomulus minor N. Tsurusaki, 1990 — Philippines
Gnomulus monticola Schwendinger & Martens, 2002 — West Malaysia
Gnomulus obscurus Schwendinger & Martens, 2002 — Sarawak
Gnomulus palawanensis (S. Suzuki, 1982) — Palawan (Philippines)
Gnomulus piliger (Pocock, 1903) — Thailand
Gnomulus pilosus Schwendinger & Martens, 2002 — West Malaysia
Gnomulus pulvillatus (Pocock, 1903) — West Malaysia
Gnomulus rostratoideus Schwendinger & Martens, 2002 — West Malaysia, Singapore
Gnomulus rostratus Thorell, 1890 — Penang
Gnomulus ryssie Schwendinger & Martens, 2002 — Thailand
Gnomulus sinensis Schwendinger & Martens, 2002 — Sichuan (China)
Gnomulus spiniceps Schwendinger & Martens, 2002 — Vietnam
Gnomulus sumatranus Thorell, 1891 — Sumatra
Gnomulus sundaicus (P. J. Schwendinger, 1992) — Sarawak
Gnomulus thorelli (Sørensen, 1932) — Java
Gnomulus tuberculatus Schwendinger & Martens, 2002 — Sumatra
Gnomulus tumidifrons Schwendinger & Martens, 2002 — Halmahera
Oncopus Thorell, 1876
Oncopus doriae Thorell, 1876 — Sarawak
Oncopus expatriatus (Schwendinger & Martens, 2004) — Thailand?
Oncopus feae Thorell, 1890 — Penang
Oncopus hosei Pocock, 1897 — Sarawak
Oncopus lingga (Schwendinger & Martens, 2004) — Lingga Islands (Indonesia)
Oncopus malayanus (Schwendinger & Martens, 2004) — West Malaysia
Oncopus megachelis P. J. Schwendinger, 1992 — Sabah
Oncopus tiomanensis (Schwendinger & Martens, 2004) — Tioman Island (Malaysia)
Oncopus truncatus Thorell, 1891 — Singapore
Palaeoncopus Martens & Schwendinger, 1998 — Sumatra
Palaeoncopus gunung Martens & Schwendinger, 1998
Palaeoncopus katik Martens & Schwendinger, 1998
Palaeoncopus kerdil Martens & Schwendinger, 1998