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''Tityus exstinctus'' is an extinct species of scorpion belonging to the family Buthidae. It is only known from a single male collected in 1884 in the northern range of Martinique. The species epithet based on the fact that this taxon was already extinct when it was described. The holotype has a carapace length of 6.9 mm, a metasomal segment I length of 6.6 mm, a metasomal segment V length of 11.1 mm, a vesicle width of 3.2 mm, a femur length of 7.3 mm, a femur width of 2.3 mm, a tibia length of 8.2 mm, a tibia width of 3.3 mm, a chelae length of 14.2 mm, and a chelae width of 4.0 mm. The movable finger with the sting has a length of 8.2 mm. It was first thought to be a close relative of ''Tityus trinitatis'' Pocock, 1897 (from Trinidad and Tobago)〔Lourenço, Wilson R. (1995). (The remarkable discovery of a new and extinct species of Tityus From Martinique in Lesser Antilles (Chelicerata, Scorpiones, Buthidae). ) Anales del Instituto de Biología. Serie Zoología 66(1): 27-32.〕 but a later study revealed its close relationship to ''T. pictus'' and ''T. smithii''.〔Teruel, R.: Redescription of Tityus pictus Pocock, 1893 and Tityus smithii Pocock, 1893, with Notes on the Tityus Species from the Lesser Antilles (Scorpiones: Buthidae) In: Euscorpius - Occasional Publications in Scorpiology. 2011, No. 125: 23〕 Prior to its description in 1995 three experts have examined the specimen which is preserved in the Muséum national d'histoire naturelle. Eugène Simon synonymized it with ''Centrurus insulanus'' in 1890. Embrik Strand (no date) mentioned it as ''Scorpio marmoratus''. In 1900, Karl Kraepelin was the first who identified it as a new and undescribed species within the genus ''Tityus''. ==References== 〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tityus exstinctus」の詳細全文を読む スポンサード リンク
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