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Chondrichthyan-like scales from the Middle Ordovician of Australia

Sansom, Ivan J.; Davies, Neil S.; Coates, Michael I.; Nicoll, Robert; Ritchie, Alex

Description

Microvertebrate sampling of the Stairway Sandstone (Darriwilian, Middle Ordovician, central Australia) has yielded scales that are chondrichthyan-like in their overall construction, and Tantalepis gatehousei gen. et sp. nov. is erected here to describe these specimens. Tantalepis gatehousei gen. et sp. nov. is the stratigraphically oldest microsquamous taxon described thus far, and the 'shark-like' appearance of the scales may extend the chondrichthyan lineage back into the Middle Ordovician....[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/63838
Source: Palaeontology
DOI: 10.1111/j.1475-4983.2012.01127.x

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