Paradoxides Series
Paradoxides Series, rocks deposited during the Middle Cambrian Period in western Europe and Scandinavia and in eastern North America (the Middle Cambrian Period lasted from 521 million to 499 million years ago). The Paradoxides Series is characterized by the fossil occurrence of trilobites of the family Paradoxididae and other trilobites, such as the genera Agnostus and Eodiscus.
Citation Information
Article Title:
Paradoxides Series
Website Name:
Encyclopaedia Britannica
Publisher:
Encyclopaedia Britannica, Inc.
Date Published:
25 May 2010
Access Date:
February 22, 2025