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NEW KNOWLEDGE ABOUT TRILOBITE BIOSTRATIGRAPHY OF THE CAMBRIAN GUSHANIAN STAGE

Zhu Zhao-ling

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Abstract

In recent years, the trilobite fossil Diceratocephalus has been discovered in a number of the Cambrian successions in North China, such as Jiulongshan of Laiwu, Heishizhai of Zibo, and Dawenkou of Taian. The Diceratocephalus trilobite Subzone can be promoted to the Diceratocephalus trilobite Zone. Therefore the Gushanian Stage contains 4 trilobite zones: the Diceratocephalus armatus Zone, the Drepanura premesnili Zone, Blackwelderia paronai Zone, and the Damesella paronai Zone.

About this research paper

What this paper is about

In recent years, the trilobite fossil Diceratocephalus has been discovered in a number of the Cambrian successions in North China, such as Jiulongshan of Laiwu, Heishizhai of Zibo, and Dawenkou of Taian. The Diceratocephalus trilobite Subzone can be promoted to the Diceratocephalus trilobite Zone. Therefore the Gushanian Stage contains 4 trilobite zones: the Diceratocephalus armatus Zone, the Drepanura premesnili Zone, Blackwelderia paronai Zone, and the Damesella paronai Zone.

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Available abstract

In recent years, the trilobite fossil Diceratocephalus has been discovered in a number of the Cambrian successions in North China, such as Jiulongshan of Laiwu, Heishizhai of Zibo, and Dawenkou of Taian. The Diceratocephalus trilobite Subzone can be promoted to the Diceratocephalus trilobite Zone. Therefore the Gushanian Stage contains 4 trilobite zones: the Diceratocephalus armatus Zone, the Drepanura premesnili Zone, Blackwelderia paronai Zone, and the Damesella paronai Zone.

Key concepts: Trilobite, Paleontology, Biostratigraphy, Geology, Stage (stratigraphy), Chronostratigraphy, China, Geography

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