File:Calymene Devonian Erfoud Morocco nodule EN.png

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Calymene_Devonian_Erfoud_Morocco_nodule_EN.png(720 × 540 pixels, file size: 673 KB, MIME type: image/png)

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English: Calymenid trilobites from Erfoud (Morocco). These specimens were sold as devonian Calymene (sensu lato), but they may be better Colpocoryphe sp. (Ordovician) The specimens are exuviae, preserved into a calcareous nodule. The cranidium is separated from the thorax + pygidium ensemble and the librigenae ("free cheeks") are not preserved.
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Author Antonov

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current19:09, 31 May 2010Thumbnail for version as of 19:09, 31 May 2010720 × 540 (673 KB)Antonov (talk | contribs){{Information |Description={{en|1=Calymene sp. from Erfoud (Morocco). The specimens are exuviae, preserved into a calcareous nodule. The cranidium is separated from the thorax + pygidium ensemble and the librigenae ("free cheeks") are not preserved. }} |S

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