Scelidomachus | |
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Subphylum: | Chelicerata |
Class: | Arachnida |
Order: | Araneae |
Infraorder: | Araneomorphae |
Family: | Palpimanidae |
Genus: | Scelidomachus Pocock, 1899 [1] |
Species: | S. socotranus |
Binomial name | |
Scelidomachus socotranus Pocock, 1899 [1] | |
Scelidomachus socotranus is a species of spider found on the island of Socotra in the Indian Ocean. It is the only member of its genus. [1]
Spiders are air-breathing arthropods that have eight legs and chelicerae with fangs able to inject venom. They are the largest order of arachnids and rank seventh in total species diversity among all orders of organisms. Spiders are found worldwide on every continent except for Antarctica, and have become established in nearly every habitat with the exceptions of air and sea colonization. As of November 2015, at least 45,700 spider species, and 113 families have been recorded by taxonomists. However, there has been dissension within the scientific community as to how all these families should be classified, as evidenced by the over 20 different classifications that have been proposed since 1900.
Socotra, also called Soqotra, located between the Guardafui Channel and the Arabian Sea, is the largest of four islands of the Socotra archipelago. The territory is located near major shipping routes and is officially part of Yemen, and had long been a subdivision of the Aden Governorate. In 2004, it became attached to the Hadhramaut Governorate, which is much closer to the island than Aden. In 2013, the archipelago became its own governorate, the Socotra Governorate.
The Indian Ocean is the third largest of the world's oceanic divisions, covering 70,560,000 km2 (27,240,000 sq mi). It is bounded by Asia on the north, on the west by Africa, on the east by Australia, and on the south by the Southern Ocean or, depending on definition, by Antarctica.
Dr Henry Ogg Forbes LLD was a Scottish explorer, ornithologist, and botanist. He also described a new species of spider, Thomisus decipiens.
The Socotra sparrow is a passerine bird endemic to the islands of Socotra, Samhah, and Darsah in the Indian Ocean, off the Horn of Africa. The taxonomy of this species and its relatives is complex, with some authorities, including BirdLife International, recognising this species and the very similar Abd al-Kuri sparrow, as well as several from mainland Africa, as separate, and others lumping all these species and the probably unrelated Iago sparrow.
Bathippus is a genus of jumping spiders.
Barychelidae is a spider family with about 300 species in 42 genera. Its members are known as brushed trapdoor spiders.
Migidae is a family of spiders with about 90 species in 10 genera, known as tree trapdoor spiders. They have a Gondwanan distribution and occur almost exclusively on the Southern Hemisphere.
Stegodyphus is a genus of araneomorph spiders in the family Eresidae. The 21 species are distributed from Africa to Europe and Asia, with two species found in Brazil.
Phormictopus is a genus of spiders in the family Theraphosidae (tarantulas) that occurs in the West Indies, mainly Cuba, with three species probably misplaced in this genus found in Brazil and Argentina.
Dendrosicyos is a monotypic genus in the plant family Cucurbitaceae. The only species is Dendrosicyos socotranus, the cucumber tree. The species is endemic to the island of Socotra in Yemen, and is the only species in the Cucurbitaceae to grow in a tree form. The species name was originally spelled D. socotrana, but this is corrected to masculine grammatical gender according to the International Code of Nomenclature for algae, fungi, and plants.
The Abd al-Kuri sparrow is a passerine bird endemic to the small island of Abd al Kuri in the Socotra archipelago of the Indian Ocean, off the Horn of Africa. Though this species was originally described as a distinct species, it was considered conspecific with the Socotra sparrow. A study by Guy Kirwan showed significant differences from the Socotra sparrow, and that the two sparrows might even have different origins. On the evidence that it is morphologically distinct, BirdLife International recognised it as a species, and it was listed in the IOC World Bird List from December 2009. It has a very restricted distribution, and a population of under 1,000 individuals, so despite not having any known threats it is considered a Vulnerable species on the IUCN Red List.
Brachypelma albiceps is a species of spider in the family Theraphosidae (tarantulas). It is known as the Mexican golden red rump tarantula or the Amula red rump tarantula. The carapace is a light golden color and the abdomen dark, covered with long red hairs. Females typically live for about 15 years. Males usually live about 5 years or up to 12 months after the last molt.
Heteroscodra is a genus of tarantulas native to West and Central Africa. Like many Old World tarantulas, they have a strong venom, and can inflict a painful bite.
Iridopelma is a genus of spiders in the family Theraphosidae (tarantulas), native to Brazil. It is characterized by very hairy legs and a bright red body with black markings.
Batesiella is a spider genus in the family Theraphosidae (tarantulas), with the sole species Batesiella crinita. It is native to Cameroon. The genus was named by Reginald Innes Pocock in 1903, and honours the collector, G. L. Bates.
Pandercetes is a genus of spiders in the family Sparassidae, the huntsman spiders. They are mainly distributed in tropical Asia and Australia, and are known for their cryptic patterning that matches the moss and lichen on tree trunks where they are usually found.
The Eumenophorinae are a subfamily of tarantula spiders. They are known from 13 genera distributed across Africa, southwestern countries in Saudi Arabia, and Madagascar and the associated islands.
Thrigmopoeus is a genus of spiders in the family Theraphosidae.
Nephila sumptuosa, the red-legged golden orb-web spider, is a species of golden orb-web spider.
Agelenella is a genus of medium sized spiders native to Yemen and Ethiopia. It contains a single species, Agelenella pusilla. Spiders of this genus can be distinguished by the distinctly ringed legs.
Halonoproctidae is a family of mygalomorph spiders, split off from the family Ctenizidae in 2018. Species in the family are widely distributed in North and Central America, Australasia, Asia, southern Europe and North Africa. One species is recorded from Venezuela in South America. They are relatively large, sombrely coloured spiders, that live in burrows with some kind of trapdoor.
The Integrated Taxonomic Information System (ITIS) is an American partnership of federal agencies designed to provide consistent and reliable information on the taxonomy of biological species. ITIS was originally formed in 1996 as an interagency group within the US federal government, involving several US federal agencies, and has now become an international body, with Canadian and Mexican government agencies participating. The database draws from a large community of taxonomic experts. Primary content staff are housed at the Smithsonian National Museum of Natural History and IT services are provided by a US Geological Survey facility in Denver. The primary focus of ITIS is North American species, but many biological groups exist worldwide and ITIS collaborates with other agencies to increase its global coverage.
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