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. |
单词 | asterolepis | |||
释义 | AsterolepisAs`te`rol´e`pis
AsterolepisAsterolepisa 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. |
|||
随便看 |
|
英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。