View Original: | Calymene Devonian Erfoud Morocco nodule EN.png (720x540) | |||
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Keywords: Calymene Devonian Erfoud Morocco nodule EN.png en 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 own Antonov 2010-05-31 Colpocoryphe Trilobite anatomy Phacopida fossils Exuvia |