| 翻訳と辞書 |
| Maatidesmus paachtun ： ウィキペディア英語版 |
Maatidesmus
''Maatidesmus'' is an extinct genus of millipede in the family Chelodesmidae known from a fossil found in North America. There is one described species in the genus, ''Maatidesmus paachtun'', and is one of three millipedes described from Mexican amber.〔〔
==History and classification==
''Maatidesmus paachtun'' was described from a solitary fossil, which is preserved as an inclusion in a transparent chunk of Mexican amber. At the time of description, the amber specimen was housed in the fossil collection of the Instituto Nacional de Antropología e Historia in San Cristóbal de las Casas, Simojovel. The holotype fossil is composed of a very complete adult female recovered from the La Guadalupe Quarry.〔 Mexican amber is recovered from fossil bearing rocks in the Simojovel region of Chiapas, Mexico. The amber dates from between 23 million years old at the oldest and 15 million years at the youngest. The La Guadalupe Quarry site is an outcrop of amber bearing strata belonging to the Mazantic shale. The deposits preserve a transitional river or stream environments near the coast and preserves fossils of a mangrove forest ecosystem.
The holotype was first studied by a team of researchers headed by Francisco Riquelme of the Universidad Autónoma del Estado de Morelos with their 2014 type description of the genus and species being published in the natural sciences journal ''PLOS One''. The genus name is a derived from a combination of the Mayan word ''maat'' for "amber" and "idesmus", which is used frequently as a genus suffix in the family Chelodesmidae. The specific epithet ''paachtun'' was coined from a combination of the Mayan words ''paach'' meaning "back" and ''tun'' meaning "stone", a reference to the distinct sculpturing and lobing on the collum and lobe bearing tergites.〔
''M. paachtun'' is one of three millipede species described from Mexican amber, the others being ''Anbarrhacus adamantis'' and ''Parastemmiulus elektron'', while a number of other species have been described from the similarly aged Dominican amber.〔〔
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「Maatidesmus」の詳細全文を読む
スポンサード リンク
| 翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|