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Tytthodiplatys : ウィキペディア英語版 | Tytthodiplatys
''Tytthodiplatys'' is an extinct genus of earwig in the family Diplatyidae known from a Cretaceous fossil found in Myanmar. The genus contains a single described species, ''Tytthodiplatys mecynocercus''. ==History and classification== ''Tytthodiplatys'' is known only from a single fossil, the holotype, specimen number AMNH Bu-FB75, which is housed in the Amber Fossil Collection of the American Museum of Natural History in New York City. The specimen is composed of a fully complete first instar female earwig which has been preserved as an inclusion in a transparent chunk of Burmese amber.〔 The age of the amber deposits in Kachin State in northernmost Burma are understood to be at least 100 million years old, placing them in the Albian age of the Cretaceous. The ''Tytthodiplatys'' holotype was recovered from outcrops near the city of Myitkyina in Kachin State and was first studied by paleoentomologist Michael S. Engel of the Division of Entomology at the University of Kansas in Lawrence, Kansas.〔 Engel's 2011 type description of the new species was published in the online journal ''ZooKeys''.〔 The genus name ''Tytthodiplatys'' was coined by Engel as a combination of three Greek words, ''tytthos'' which means "small" or "young", ''di'' which means "two" and ''platys'' meaning "broad". The specific epithet ''mecynocercus'' is from the Greek words ''mekyno'' and ''kerkos'' which translate as "prolong" and "tail" respectively.〔 ''Tytthodiplatys'' is one of four described earwig species found in Burmese amber. One other species ''Astreptolabis ethirosomatia'' was described by Engel in the same 2011 paper, while ''Burmapygia resinata'' was described by Engel and David Grimaldi in 2004, with the last species ''Myrrholabia electrina'' first being described by Theodore Cockerell in 1920.〔 At the time of description, ''Tytthodiplatys'' was the oldest confirmed member of the family Diplatyidae.〔
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