Lower Devonian stromatoporoids from the Jesse Limestone of the Limekilns area, New South Wales

B. D. Webby, Y. Y. Zhen

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

An assemblage of well preserved Devonian stromatoporoids is described from the Jesse Limestone of the Limekilns area, central-western New South Wales. The fauna, which comes from limestone breccia deposits of the western, Diamond Creek occurrence, is interpreted as having an allochthonous origin. Eleven species of stromatoporoids are described and illustrated including representatives of Actinostroma, Gerronostroma, Schistodictyon, Amnistostroma, Pseudotrupetostroma, Salairella, Stromatopora, Atopostroma, and Habrostroma. Details of stromatoporoid microstructure of well preserved specimens of Amneslostroma and Pseudotrupetostroma are also presented for the first time. The descriptions of new species include, Gerronostroma vergens, Amnestostroma crassum, Pseudotrupetostroma jessiense and P. ripperae. Other elements of the Jesse fauna comprise occurrences of Siberian, South Chinese and Canadian affinity, which suggests probable zoogeographic links with these regions. The Jesse Limestone has been interpreted as having a mainly late Emsian age, but the described stromatoporoids seem to have been reworked from earlier Emsian horizons.

Original languageEnglish
Pages (from-to)327-352
Number of pages26
JournalAlcheringa
Volume17
Issue number4
DOIs
Publication statusPublished - 1993
Externally publishedYes

Keywords

  • Lower Devonian
  • New South Wales
  • New taxa
  • Stromatoporoids

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