Cambrian Period | ยุคแคมเบรียน [ธรณีวิทยา๑๔ ม.ค. ๒๕๔๖] |
cambrian | (n) from 544 million to about 500 million years ago; marine invertebrates, Syn. Cambrian period |
precambrian | (n) the eon following the Hadean time and preceding the Phanerozoic eon; from about 3, 800 million years ago until 544 million years ago, Syn. Precambrian aeon, Precambrian eon, Precambrian period |
カンブリア紀 | [カンブリアき, kanburia ki] (n) Cambrian period [Add to Longdo] |
カンブリア系 | [カンブリアけい, kanburia kei] (n, adj-no) Cambrian system (i.e. rock layer deposited during the Cambrian period) [Add to Longdo] |