Discovery of Anticostia uniformis from the Xiazhen Formation at Zhuzhai, South China and its stratigraphic implication

Zhong Yang Chen, Myong Hak Kim, Suk-Joo Choh, Dong Jin Lee, Xu Chen

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The Xiazhen Formation is an Upper Ordovician lithostratigraphic unit in the Jiangshan-Changshan-Yushan (JCY) area, which contains series of Late Ordovician reef successions. The reef successions of the Xiazhen Formation at Zhuzhai are critical for evaluation of the Late Ordovician marine diversity and palaeoecology. However, their age has long been uncertain and generally is regarded as of upper Katian, based on the occurrences of shelly fossils and correlation with the stratigraphic equivalent Changwu Formation. The newly discovered graptolite species Anticostia uniformis, in the Xiazhen Formation, together with the combined evidence of brachiopods and sedimentology, indicates an age range for the graptolite locality from the Dicellograptus complanatus Biozone to the Diceratograptus mirus Subzone of late Katian, but the graptolites do not rule out the possibility that it is Hirnantian.

Original languageEnglish
JournalPalaeoworld
DOIs
Publication statusAccepted/In press - 2015 Jul 24

Fingerprint

Ordovician
reefs
graptolite
paleoecology
China
reef
Hirnantian
fossils
brachiopod
sedimentology
fossil
evaluation

Keywords

  • Anticostia uniformis
  • Graptolite
  • South China
  • Xiazhen Formation

ASJC Scopus subject areas

  • Palaeontology
  • Ecology, Evolution, Behavior and Systematics
  • Stratigraphy

Cite this

Discovery of Anticostia uniformis from the Xiazhen Formation at Zhuzhai, South China and its stratigraphic implication. / Chen, Zhong Yang; Kim, Myong Hak; Choh, Suk-Joo; Lee, Dong Jin; Chen, Xu.

In: Palaeoworld, 24.07.2015.

Research output: Contribution to journalArticle

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