|Genus:|| Thyreobaeus |
Thyreobaeus is a monotypic genus of East African sheet weavers containing the single species, Thyreobaeus scutiger. It was first described by Eugène Louis Simon in 1889,and has only been found on Madagascar.
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon.
A genus is a taxonomic rank used in the biological classification of living and fossil organisms, as well as viruses, in biology. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus.
Linyphiidae is a family of very small spiders, including more than 4,300 described species in 601 genera worldwide. This makes Linyphiidae the second largest family of spiders after the Salticidae. New species are still being discovered throughout the world, and the family is poorly known. Because of the difficulty in identifying such tiny spiders, there are regular changes in taxonomy as species are combined or divided.
Nursery web spiders (Pisauridae) is a family of araneomorph spiders first described by Eugène Simon in 1890. They resemble wolf spiders (Lycosidae) except for several key differences. Wolf spiders have two very prominent compound eyes in addition to the other six, while a nursery web spider's eyes are all about the same size. Additionally, female nursery web spiders carry their egg sacs with their jaws and pedipalps instead of attaching them to their spinnerets as wolf spiders do. When the eggs are about to hatch, a female spider builds a nursery "tent", places her egg sac inside, and stands guard outside, hence the family's common name. Like the wolf spiders, however, the nursery web spiders are roaming hunters that don't use webs for catching prey.
Selenopidae, also called wall crab spiders, wall spiders and flatties, is a family of araneomorph spiders first described by Eugène Simon in 1897. It contains over 280 species in nine genera, of which Selenops is the most well-known. This family is just one of several families whose English name includes the phrase "crab spider".
Ankarana Special Reserve in northern Madagascar was created in 1956. It is a small, partially vegetated plateau composed of 150-million-year-old Middle Jurassic limestone. With an average annual rainfall of about 2,000 millimetres (79 in), the underlying rocks are susceptible to erosion, thereby producing caves and underground rivers—a karst topography. The rugged relief and the dense vegetation have helped protect the region from human intrusion.
Idiopidae, also known as armored trapdoor spiders, is a family of mygalomorph spiders first described by Eugène Simon in 1889. They have a large body similar to tarantulas.
Nemesiidae, also known as funnel-web tarantulas, is a family of mygalomorph spiders first described by Eugène Simon in 1889, and raised to family status in 1985. Before becoming its own family, it was considered part of "Dipluridae". Fossils have been found dating this family back to the Lower Cretaceous.
Paratropididae, also known as baldlegged spiders, is a small family of mygalomorph spiders first described by Eugène Simon in 1889. They are more closely related to tarantulas and allies, than to most other 'true' spiders (araneomorphs).
Barychelidae, also known as brushed trapdoor spiders, is a spider family with about 300 species in 42 genera. Most spiders in this family build trapdoor burrows. For example, the 20 millimetres (0.79 in) long Sipalolasma builds its burrow in rotted wood, with a hinged trapdoor at each end. The 10 millimetres (0.39 in) long Idioctis builds its burrow approximately 5 centimetres (2.0 in) deep, just below the high tide level, sealing the opening with a thin trapdoor.
Migidae, also known as tree trapdoor spiders, is a family of spiders with about 100 species in eleven genera. They are small spiders with little to no hair and build burrows with a trapdoor. Some species live in tree fern stems. They have a Gondwanan distribution, found almost exclusively on the Southern Hemisphere, occurring in South America, Africa, Madagascar, Australia, New Zealand and New Caledonia.
Phyxelididae is a family of araneomorph spiders first described by Pekka T. Lehtinen in 1967 as a subfamily of Amaurobiidae, and later elevated to family status as a sister group of Titanoecidae.
Cyatholipidae is a family of spiders first described by Eugène Simon in 1894. Most live in moist, montane forests, though several species, including Scharffia rossi, live in dry savannah regions. They occur in Africa, including Madagascar, New Zealand and Australia, and one species in Jamaica. Most members of this family hang beneath sheet webs.
Stegodyphus is a genus of velvet spiders that was first described by Eugène Simon in 1873. They are distributed from Africa to Europe and Asia, with two species found in Brazil. The name is derived from Ancient Greek στέγω (stegos), meaning "covered".
Tsimanampetsotsa National Park also spelt Tsimanampetsotse, and known as Tsimanampetsotsa Nature Reserve is a 432 km2 national park on the south-west coast of Madagascar in the region Atsimo-Andrefana. The park is 90 kilometres (56 mi) south of Toliara and 950 kilometres (590 mi) south of the capital, Antananarivo. Route Nationales (RN) 10 to Faux Cap passes the park and the nearest airport is at Toliara.
Genysa is a genus of East African armored trapdoor spiders that was first described by Eugène Louis Simon in 1889. As of May 2019 it contains only three species, all found in Madagascar: G. bicalcarata, G. decorsei, and G. decorsei.
Viridasiidae is a family of araneomorph spiders split from the family Ctenidae in 2015.
Viridasius is a monotypic genus of East African araneomorph spiders in the Viridasiidae family, containing the single species, Viridasius fasciatus. It was first described by Eugène Simon in 1889, and has only been found in Madagascar.
Barychelus is a genus of South Pacific brushed trapdoor spiders first described by Eugène Simon in 1889. As of April 2019 it contains only two species, both found on New Caledonia.
Tigidia is a genus of brushed trapdoor spiders first described by Eugène Simon in 1892.
Exechocentrus is a genus of East African orb-weaver spiders first described by Eugène Simon in 1889. As of April 2019 it contains only two species, both found in Madagascar.
Vulsor is a genus of araneomorph spiders in the Viridasiidae family, first described by Eugène Simon in 1889. Originally placed with the wandering spiders, it was moved to the Viridasiidae in 2015.
Paccius is a genus of African araneomorph spiders first described by Eugène Simon in 1898 as a member of Corinnidae, and moved to Trachelidae in 2014.
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