The Mygalomorphae, or mygalomorphs, are an infraorder of spiders, and comprise one of three major groups of living spiders with over 3,000 species, found on all continents except Antarctica. Many members are known as trapdoor spiders due to their creation of trapdoors over their burrows. Other prominent groups include Australian funnel web spiders and tarantulas, with the latter accounting for around one third of all mygalomorphs.
Nikolai Stepanovich Turczaninow was a Russian botanist and plant collector who first identified several genera, and many species, of plants.
The Pettalidae are a family of harvestmen with 75 described species in 10 genera. Several undescribed species are known or assumed in some genera.
The flora of Western Australia comprises 10,842 published native vascular plant species and a further 1,030 unpublished species. They occur within 1,543 genera from 211 families; there are also 1,335 naturalised alien or invasive plant species more commonly known as weeds. There are an estimated 150,000 cryptogam species or nonvascular plants which include lichens, and fungi although only 1,786 species have been published, with 948 algae and 672 lichen the majority.
Theromaster is a genus of armoured harvestmen in the family Cladonychiidae. There are at least two described species in Theromaster, found in the eastern United States.
Travunioidea is a superfamily of armoured harvestmen in the order Opiliones. There are 4 families and around 75 described species in Travunioidea.
Paranonychus is a genus of harvestman in the family Paranonychidae. There are three described species in Paranonychus. The Japanese species Paranonychus fuscus was originally described in its own genus as Mutsunonychus fuscus Suzuki 1976, but considered its own species and part of Paranonychus in later studies.
Arbasus is a monotypic genus of armoured harvestmen in the family Buemarinoidae with one described species Arbasus caecus. It is found in the Pyrenees of southern France.
Briggsus is a genus of armoured harvestmen in the family Cladonychiidae. There are about five described species in Briggsus, found in the coastal forests of Oregon and Washington.
Buemarinoa is a genus of armoured harvestmen in the family Cladonychiidae. There is one described species in Buemarinoa, B. patrizii, found in Sardinia, Italy.
Izunonychus is a monotypic genus of harvestman in the family Paranonychidae. There is one described species in Izunonychus, I. ohruii, endemic to Japan.
Kainonychus is a monotypic genus of harvestman in the family Paranonychidae. There is one described species in Kainonychus, K. akamai, endemic to Japan.
Kaolinonychus is a monotypic genus of harvestman in the family Paranonychidae. There is one described species in Kaolinonychus, endemic to South Korea and found primarily in caves.
Metanonychus is a genus of harvestman in the family Paranonychidae. There are eight described species in Metanonychus, found in the northwestern United States.
Nippononychus is a genus of harvestman in the family Paranonychidae. There is one described species in Nippononychus, N. japonicus, endemic to Japan.
Metanippononychus is a genus of harvestman in the family Paranonychidae. There are at least four described species in Metanippononychus.
Archoleptonetidae is a family of spiders in the order Araneae. There are two genera and about eight described species in Archoleptonetidae. They are known from the western USA, southern Mexico, Guatemala, and Panama. This family was formerly a subfamily of Leptonetidae.
Algidia is a genus in the harvestman family Triaenonychidae. It is endemic to New Zealand and currently includes 7 species and several subspecies.
Lomanellidae is a family of harvestmen. Species in this family are endemic to Australia.
