| 词条 | Paradoxides Series |
| 释义 | Paradoxides Series geology rocks deposited during the Middle Cambrian Period in western Europe and Scandinavia and in eastern North America (the Middle Cambrian Period lasted from 520 to 512 million years ago). The Paradoxides Series is characterized by the fossil occurrence of trilobites (trilobite) of the family Paradoxididae and other trilobites, such as the genera Agnostus and Eodiscus. |
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