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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Aphaenogaster sommerfeldti ： ウィキペディア英語版 Aphaenogaster sommerfeldti ''Aphaenogaster sommerfeldti'' is an extinct species of ant in the subfamily Myrmicinae known from a group of Middle Eocene fossils found in Europe. ''A. sommerfeldti'' is one of three species in the ant genus ''Aphaenogaster'' to have been noted from fossils found in Baltic amber by William Morton Wheeler. ==History and classification== When first examined, ''Aphaenogaster sommerfeldti'' was described from a pair of type specimen workers which are fossilized as inclusions in transparent chunks of Baltic amber.〔 Baltic amber is approximately forty six million years old, having been deposited during Lutetian stage of the Middle Eocene. There is debate on what plant family the amber was produced by, with evidence supporting relatives of either an ''Agathis'' relative or a ''Pseudolarix'' relative. All the type specimens were collected over 125 years ago, and when first described were part of the University of Königsberg amber collection. The fossils were first studied by Austrian entomologist Gustav Mayr who placed the species in the genus ''Aphaenogaster''. Mayr's 1868 type description of the new species was published in the Königsberg journal ''Beiträge zur Naturkunde Preussens''.〔 William Morton Wheeler in his 1915 paper ''The ants of the Baltic amber'' noted that the University of Königsberg collections then contained a total of fourteen workers, plus one unnumbered specimen. An additional three were present in the private collection of Professor Richard Klebs, who first interested Wheeler on working with Baltic amber ant specimens. Alongside ''A. sommerfeldti'', three other ''Aphaenogaster'' species are known from European amber fossil, ''A. antiqua'', ''A. mersa'', and ''A. oligocenica''.〔 While both ''A. oligocenica'' and ''A. sommerfeldti'' are known from Baltic and Bitterfeld amber, ''A. mersa'' has only been found in Baltic amber and ''A. antiqua'' from Rovno 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「Aphaenogaster sommerfeldti」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.