The Ecologic Evolution Of Cambrian Trilobites

Based on the information and approaches presented above, some inferences on the Cambrian ecologic history of trilobites can now be presented. First, the Upper Cambrian biomeres of Laurentia are discussed because they provide insight into the dynamics of the ecologic evolution of trilobites at low taxonomic levels. Second, comments on the overall ecologic evolution of Cambrian trilobites, with speculations on the significance of trilobites for understanding the Cambrian evolutionary radiation, serve to summarize current knowledge of the broad history of the group as a whole and to outline directions for future research.

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