下古生界
- 网络Lower Paleozoic; lower Palaeozoic
下古生界下古生界
Lower Paleozoic
上元古界-下古生界,Upper... ... ) lower Proterozoic 下元古界 ) Lower Paleozoic 下古生界 ) the upper Paleozoic 上古生界 ...
lower Palaeozoic
震旦系... ... ) Lower Paleozoic 下古生界 ) lower Palaeozoic 下古生界 ) Sinian-lower Palaeozoic 震旦系-下古生界 ...