Cauda galli
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A plume-shaped fossil, supposed to be a seaweed, characteristicof the lower Devonian rocks; as, the cauda galli grit. Gauda galliepoch (Geol.), an epoch at the begining of the Devonian age ineastern America, so named from the characteristic gritty sandstonemarked with impressions of cauda galli. See the Diagram underGeology.
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