Abstract

All late Devonian conodonts available from sedimentary facies of the Lennard Shelf, Canning basin, Western Australia, are described. The maximum abundance of conodonts is found in direct association with ammonoids in the inter-reef facies represented by the Gogo formation, and in the fore-reef and inter-reef facies of the Virgin Hills formation. Associations of certain conodont and ammonoid taxa are identical with those in the classic antipodal Rhenish Schiefergebirge of Germany. Distribution patterns show that the conodont and ammonoid zones are geologically homochronous on a mondial basis. Playfordia n.gen. (conodont) and Ancyrodella rotundiloba alata n.subsp. are described.

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