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Furongian Series
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A chart showing the Cambrian period within the Paleozoic era on the geologic time scale, listing its epochs, stages, and corresponding ages in millions of years ago, with color-coded divisions and notes on boundary definitions. A detailed geologic time scale chart displaying Earth's history from the Hadean Eon over 4.5 billion years ago to the present, organized by eons, eras, periods, epochs, and ages with color-coded columns and corresponding dates in millions of years.
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Furongian Series

stratigraphy
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A chart showing the Cambrian period within the Paleozoic era on the geologic time scale, listing its epochs, stages, and corresponding ages in millions of years ago, with color-coded divisions and notes on boundary definitions.
Cambrian Period in geologic time The Cambrian Period and its subdivisions.

The Furongian Series represents the upper part of the Cambrian Period, spanning from approximately 497 to 485.4 million years ago. It is divided into three stages: the Paibian, Jiangshanian, and the third, unnamed stage.12

The Paibian Stage, the first of these, covers the time from about 497 to 494 million years ago. Its base is defined by the first appearance of the trilobite Glyptagnostus reticulatus in the fossil record.2

The Jiangshanian Stage follows, from approximately 494 to 489.5 million years ago. This stage is marked by the appearance of the trilobite Agnostotes orientalis and is further divided into fossil zones. The Jiangshanian Stage is overlain by the final stage of the Furongian Series.1

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2 Britannica Sources
  1. Jiangshanian Stage
  2. Paibian Stage

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