This is a list of the described species of the harvestman family Stygnidae. The data is taken from Joel Hallan's Biology Catalog.
Heterostygninae Roewer, 1913
Stygninae Simon, 1879
Subsequently transferred are former Stygnidae: Nomoclastinae Roewer, 1943
Moved to => Nomoclastidae Roewer, 1943
Pachylinae is the most diverse subfamily of the harvestman family Gonyleptidae, including around 400 valid species. Major groups of species occur in the Brazilian Atlantic forest, Bolivian/Peruvian highlands, Argentina and Chilean temperate forest.
Gonyleptoidea is the most diverse superfamily of the Grassatores. It includes around 2,500 species distributed in the Neotropics. They are characterized by the simplified male genitalia, with the glans free subapical in the truncus.
The Sclerosomatidae are a family of harvestmen with about 1,300 known species. One former subfamily has been recently removed to form a new family, Globipedidae.
The Triaenonychidae are a family of harvestmen with about 120 genera and more than 440 described species.
The Nemastomatidae are a family of harvestmen with about 170 described species in 16 recent genera. Several fossil species and genera are known.
The Stygnopsidae are a small family of harvestmen, with almost all species found in Mexico.
The Stygnidae are a family of neotropical harvestmen within the suborder Laniatores.
Agoristenidae are a neotropical harvestman family of the Suborder Laniatores, in the superfamily Gonyleptoidea.
The Manaosbiidae are a family of neotropical harvestmen within the suborder Laniatores.
The Cranaidae are a family of neotropical harvestmen within the suborder Laniatores.
Kimulidae is a small neotropical family of the harvestman infraorder Grassatores with about thirty described species.
Stygnommatidae is a small neotropical family of the harvestman infraorder Grassatores with about thirty described species.
Samoidae is a family of the harvestman infraorder Grassatores with about fifty described species.
Eutimesius is a genus of harvestmen in the family Stygnidae with five described species. All species are found in South America.
Caelopyginae is a neotropical sub-family of harvestmen in the family Gonyleptidae.
Taito is a genus of harvestmen in the family Cosmetidae. The genus is endemic to the Amazon Basin in Brazil, Colombia, Ecuador and Peru.
Holcobunus is a genus of the order Opiliones in the family Sclerosomatidae. The genus was first described by Roewer, 1910
Imeri is a genus of harvestmen in the family Stygnidae with two described species. Both species are found in Brazil in the state of Amazonas.