Abstract

The Lilydale limestone, in the highest part of the Yering group, Victoria [Australia], contains conodonts, in particular Eognathodus sulcatus Philip, which indicate correlation with the early Siegenian [Devonian] Coopers Creek formation of eastern Victoria (previously thought to be significantly older than the Lilydale limestone). A re-assessment of the Lilydale tetracoral fauna supports this correlation, particularly in the common occurrence of Lyrielasma subcaespitosum (Chapman, non Meek) and Paradisphyllum ops (Philip). This assignment of the Lilydale limestone to the early Siegenian places an upper limit to the age of the Yering group.

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