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Biostratigraphy and biofacies of the Middle Darriwilian (Ordovician) conodonts from the Laoshidan section in the western margin of the North China Craton
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文摘

Three Histiodella-based zones are recognized and internationally correlated.

Conodont fauna from the Laoshidan section suggests an early to mid Dw2 age.

Four conodont biofacies are identified using multivariate techniques.

Estimating sea-level changes only through the conodont biofacies is irresponsible.

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