Rakaia | |
---|---|
Rakaia sorenseni (Museum of New Zealand Te Papa Tongarewa) | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Subphylum: | Chelicerata |
Class: | Arachnida |
Order: | Opiliones |
Family: | Pettalidae |
Genus: | Rakaia Hirst, 1926 |
Type species | |
Rakaia antipodiana Hirst, 1926 | |
Diversity | |
18 species |
Rakaia is a genus of harvestmen in the family Pettalidae with eighteen described species (as of 2023). [1] [2] All species are found in New Zealand. [1] [3] [4]
The genus Rakaia was described by Hirst, 1926 with the type species Rakaia antipodiana Hirst, 1926. In the past, additional species since placed in Aoraki or Austropurcellia were once included.
These species belong to the genus Rakaia:
The genus is feminine.
The Opiliones are an order of arachnids colloquially known as harvestmen, harvesters, harvest spiders, or daddy longlegs. As of April 2017, over 6,650 species of harvestmen have been discovered worldwide, although the total number of extant species may exceed 10,000. The order Opiliones includes five suborders: Cyphophthalmi, Eupnoi, Dyspnoi, Laniatores, and Tetrophthalmi, which were named in 2014.
The Eupnoi are a suborder of harvestmen, with more than 200 genera, and about 1,700 described species.
Cyphophthalmi is a suborder of harvestmen, colloquially known as mite harvestmen. Cyphophthalmi comprises 36 genera, and more than two hundred described species. The six families are currently grouped into three infraorders: the Boreophthalmi, Scopulophthalmi, and Sternophthalmi.
The Neopilionidae are a family of harvestmen.
Caddoidea superfamily of harvestmen arachnids with a single family Caddidae, which now only contains 2 extant species. The family previously contained many more taxa under a previous wider concept, but the familial definition was narrowed after restudy.
The Stylocellidae are a family of harvestmen with about 40 described species, all of which occur in Southern or Southeastern Asia. Members of this family are from one to seven millimeters long. While Stylocellus species have eyes, these are absent in the other two genera.
The Pettalidae are a family of harvestmen with 75 described species in 10 genera. Several undescribed species are known or assumed in some genera.
Ischyropsalididae is a family of harvestmen with 35 described species in 3 genera, found in Europe and North America.
The Zalmoxidae are a family of harvestmen within the suborder Laniatores.
The Synthetonychiidae are a small family of harvestman with a handful of species in a single genus. They are endemic to New Zealand.
Dalquestia is a genus of harvestmen in the family Globipedidae with six described species. All species are found in North America.
Globipes is a genus of harvestmen in the family Globipedidae from North America with three described species. Two are found on the western coast of the USA.
Zalmoxis is a genus of harvestmen, within the Zalmoxidae family. They are found in tropical Australia, Borneo, New Guinea, the Philippines and on Pacific islands.
Siro is a genus of mite harvestmen in the family Sironidae. There are at least 20 described species in Siro.
Caddo is a genus of harvestmen in the family Caddidae. There are two described species in Caddo. Both species are found in North America and Eastern Asia.
Phalangodes is a genus of armoured harvestmen in the family Phalangodidae. There is at least one described species in Phalangodes, P. armata.
Acropsopilionidae is a family of harvestmen with 19 described species in 3 genera.
Algidia is a genus in the harvestman family Triaenonychidae. It is endemic to New Zealand and currently includes 12 species and subspecies.
Acropsopilionoidea is a superfamily of harvestmen with 1 family and 3 genera, found in North America and the Southern Hemisphere.