Ordovician stromatoporoids from the langkawi islands, malaysia

B. D. Webby, D. Wyatt, C. Burrett

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


Four species of labechiid stromatoporoids are described from Unit J of the Lower Setul Limestone (Middle Ordovician) of the Langkawi Islands. They include Labechia variabilis Yabe & Sugiyama 1930 and Rosenella woyuensis Ozaki 1938, reported previously from the Middle Ordovician of north China and the Gisbornian-Eastonian of New South Wales. Tentative correlations employing nautiloids and conodonts suggest that the Malaysian and perhaps some of the north Chinese labechiid occurrences have a pre-Chazyan Whiterockian (Llanvirnian) age, that is, they are the oldest known Ordovician stromatoporoids, appearing prior to the previously earliest known Chazyan forms of North America and Tasmania.

Original languageEnglish
Pages (from-to)159-166
Number of pages8
Issue number2
Publication statusPublished - 1 Jan 1985
Externally publishedYes


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