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单词 asterolepis
释义

Asterolepis


As`te`rol´e`pis


n.1.(Paleon.) A genus of fishes, some of which were eighteen or twenty feet long, found in a fossil state in the Old Red Sandstone.

Asterolepis


Asterolepis

 

a genus of extinct placoderms from the subclass Antiarcha. During the Devonian Age the fish were found in Europe (Scotland, Spitsbergen, Greenland, and the European USSR), America (eastern United States), and Asia (China). Asterolepis is the index fossil for freshwater delta deposits that are devoid of marine invertebrate remains. The best finds in the USSR are in the Baltic.

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更新时间:2024/12/23 22:23:00