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Pneumodesmus
''Pneumodesmus newmani'' is a species of millipede that lived , in the Late Silurian.〔 It is the first myriapod, and the oldest known creature to have lived on land. It was discovered in 2004, and is known from a single specimen from Stonehaven, Aberdeenshire, Scotland.〔
==Discovery and naming==
The fossil of ''P. newmani'' was found by Mike Newman, a bus driver and amateur palaeontologist from Aberdeen, in a layer of sandstone rocks on the foreshore of Cowie, near Stonehaven.〔(【引用サイトリンク】url=http://www.stonehavenguide.net/prods/fossil-over-420-million-years-old.html )〕 The species was later given the specific epithet "''newmani''" in honour of Newman. The holotype is kept in National Museum of Scotland, Edinburgh. The genus name derives from the Greek ''pneumato ''("air" or "breath") and ''desmus ''("band", a common millipede root word) in reference to the inferred air-breathing habit.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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