Thomasettia

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Thomasettia
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Sparassidae
Genus: Thomasettia
Hirst, 1911 [2]
Species:T. seychellana
Binomial name
Thomasettia seychellana
Hirst, 1911 [2]

Thomasettia a genus of spiders in the family Sparassidae, with a single species, Thomasettia seychellana, first described in 1911. [2] It has not been found since, and has been declared extinct. It was endemic to Mahe Island and Silhouette Island in the Seychelles. [1]

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.

Spider order of arachnids

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.

Silhouette Island island of the Seychelles

Silhouette Island lies 20 km (12 mi) northwest of Mahé in the Seychelles. It is the third largest granitic island in the Seychelles. It has an area of 20.1 km2 and has a population of 200, mostly workers on the island. The main settlement is La Passe, where Hilton Hotel is located. The name Silhouette was given after Étienne de Silhouette (1709-1767), the French minister of finances under Louis XV.

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References

  1. 1 2 Gerlach, J. (2014). "Thomasettia seychellana". The IUCN Red List of Threatened Species . IUCN. 2014: e.T196286A2443283. doi:10.2305/IUCN.UK.2014-1.RLTS.T196286A2443283.en . Retrieved 10 January 2018.
  2. 1 2 3 "Gen. Thomasettia Hirst, 1911". World Spider Catalog. Natural History Museum Bern. Retrieved April 29, 2016.