Protaspis
Protaspis is an extinct genus of pteraspidid heterostracan agnathan which lived during the Early Devonian of the United States, with fossils found in marine strata in what is now Utah, Wyoming and Idaho.
| 单词 | protaspis |
| 释义 |
protaspis
英汉-汉英词典
n. 三叶虫幼虫期
词组 | 习惯用语
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网络短语:protaspis 三叶虫幼虫; 幼虫期; protaspis stage 三叶虫幼虫期
英语百科
ProtaspisProtaspis is an extinct genus of pteraspidid heterostracan agnathan which lived during the Early Devonian of the United States, with fossils found in marine strata in what is now Utah, Wyoming and Idaho. |
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