paleozoic，英语单词，主要用作形容词，作形容词时译为“古生代的”。

Lower Paleozoic 下古生界

later paleozoic 晚古生代

paleozoic metamorphic 古生代变质岩

Paleozoic erathom 古生界

middle paleozoic 中古生代 ; 古生代中期

paleozoic era 古生代

paleozoic ophiolite 晚古生代蛇绿岩

paleozoic time 古生代

and paleozoic 古生代

The communities of Paleozoic plants congregated at the water's edge and began to colonize the Earth's surface.古生代植物群落在水边聚集生长，开始在地球表面开疆辟地。

The origination of the magma is related with the dehydration of the subducting plate of the Paleozoic Tethys Sea.岩浆的起源与古生代特提斯海俯冲板块的脱水有关。

Most of the fossils seen in Paleozoic rocks are invertebrate animals lacking backbones, such as corals, mollusks and trilobites.大部分在古生代岩层中发现的化石都是没有脊骨的无脊椎动物，例如珊瑚、软体动物和三叶虫。