Dyspnoi is a suborder of harvestmen, currently comprising 43 extant genera and 356 extant species, although more species are expected to be described in the future. The eight families are currently grouped into three superfamilies: the Acropsopilionoidea, Ischyropsalidioidea, and Troguloidea.
Sabacon is a genus of the monotypic harvestman family Sabaconidae, with 59 species.
Ischyropsalididae is a family of harvestmen with 35 described species in 3 genera, found in Europe and North America.
The Nemastomatidae are a family of harvestmen with about 170 described species in 16 recent genera. Several fossil species and genera are known.
Crosbycus is a potentially monotypic genus of harvestmen in the family Taracidae, with one species found in North America as of 2023, per the World Catalog of Opiliones.
Acuclavella is a genus of thorn harvestmen in the family Ischyropsalididae, found in the Pacific Northwest. There are about seven described species in Acuclavella.
Taracidae is a family of harvestmen in the order Opiliones. There are 4 genera and 23 described species in Taracidae.
Asiolasma ailaoshan is a species of harvestman belonging to the family Nemastomatidae. It is endemic to Yunnan Province, China. It was initially described in the genus Cladolasma before being redefined within Asiolasma when that genus was newly described.
Cladolasma, is a genus of harvestmen belonging to the family Nemastomatidae. The genus is monotypic containing a single species Cladolasma parvulum. They are endemic to Japan, with records in Ehime and Tokushima Prefectures. The genus was described by Seisho Suzuki, with the type species Cladolasma parvulum Suzuki, 1963, subsequently revised to Dendrolasma parvulum in Suzuki (1974), but later restored as a valid genus.
Asiolasma angka, is a species of harvestmen belonging to the family Nemastomatidae. It is found in Chiang Mai, Thailand. It was initially described in the genus Dendrolasma before being transferred in genus Cladolasma, then later redefined within Asiolasma when that genus was newly described.
Asiolasma damingshan, is a species of harvestman belonging to the family Nemastomatidae. It is endemic to Guangxi Autonomous Region. China. It was initially described in the genus Cladolasma before being redefined within Asiolasma when that genus was newly described.
Ortholasma is a genus of harvestmen in the family Nemastomatidae with 5 described species. The genus has been revised by Shear (2010).
Dendrolasma mirabile is a species of harvestman in the family Nemastomatidae. It is found in North America, in the Pacific Northwest of the USA and Canada. The species was described by Nathan Banks, who reported the original specimen from USA, "Washington State", consistent with later records over a wider geographic range.
Dendrolasma is a genus of harvestmen in the family Nemastomatidae with two described species. Both species are found in the western coast of North America. An overview of their taxonomy was provided by Schönhofer (2013).
Nemastomatinae is a subfamily of harvestmen with over 125 described species in 19 (extant) genera. They are usually found in temperate regions.
Cryptomastridae is a family of armoured harvestmen in the order Opiliones. There are two genera and four described species in Cryptomastridae, found in Oregon and Idaho.
Asiolasma is a genus of harvestmen in the family Nemastomatidae with six described species . The species are found in Southeast Asia, namely China, Vietnam and Thailand. Some species are treated under other genera in Schönhofer (2013).
Dendrolasma dentipalpe is a species of harvestman in the family Nemastomatidae. It is found in North America, in USA California. The species was described by Shear & Gruber, 1983, who reported the holotype from the US in "Carlotta, Humboldt County", alongside other Californian specimens.
Martensolasma is a genus of harvestmen in the family Nemastomatidae with two described species . Both species are found in Mexico. The type species was include in catalog by Schönhofer (2013). The genus Martensolasma was described by William Shear, with the type species Martensolasma jocheni Shear, 2006. A second species was later added to the genus by Cruz-López, 2017.
