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Fossils of large terrestrial arthropods from the Lower Devonian of Canada

机译：来自加拿大下泥盆纪大型陆生节肢动物的化石

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TERRESTRIAL arthropods have a fossil record that reaches back to at least the Upper Silurian (420 million years ago). Most available data on these early land animals conies from a few sites at which abundant microarthropod remains are preserved as organic cuticle fragments. Such cuticle assemblages imply that early terrestrial ecosystems were dominated by small arthropods of the soil and litter. We describe here new impression and impression/compression fossils from the Emsian stage of New Brunswickand Quebec, Canada, which include millipeds, arthropleurids, and a scorpion with book-lungs preserved. They suggest that surface macroarthropods were also a significant component of the land fauna.
机译：陆生节肢动物的化石记录至少可以追溯到上志留纪时期（4.2亿年前）。这些早期陆生动物的大多数可得数据来自少数站点，这些站点保留了丰富的节肢动物作为有机角质层碎片。这种表皮组合暗示着早期的陆地生态系统以土壤和垃圾的小节肢动物为主。我们在此介绍加拿大新不伦瑞克和魁北克的Emsian阶段的新印象和印象/压缩化石，其中包括include，节肢动物和保存有书肺的蝎子。他们认为地表节肢动物也是陆地动物的重要组成部分。

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