trace fossil 中文意思是什麼
trace fossil
解釋
微跡化石-
Of which 4 new genera and 4 new species are established. discovery of a lot of fossil worms with their traces provide direct clues to study on the locomotion style of the worm and indirect evidences for trace fossils to find their producer
在以上屬種中發現大量的蟲、跡同在的化石,為研究早寒武世的翻吻動物的運動方式以及遺跡化石提供了直接依據。 -
This hexagonal trace fossil paleodictyon nodosum dated tens of millions of years ago may be created by a creature that is still alive in the deep atlantic ocean
這些有數千萬年的六角形痕跡化石,可能由一種現今仍然生存在大西洋海底的生物造成。
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