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New information on Brindabellaspis stensioi Young, 1980, highlights morphological disparity in Early Devonian placoderms

King, Benedict; Young, Gavin; Long, John

Description

Acid-prepared specimens of the placoderm Brindabellaspis stensioi (Early Devonian of New South Wales, Australia) revealed placoderm endocranial anatomy in unprecedented detail. Brindabellaspis has become a key taxon in discussions of early gnathostome phylogeny, and the question of placoderm monophyly versus paraphyly. The anterior orientation of the facial nerve and related hyoid arch structures in this taxon resemble fossil osteostracans (jawless vertebrates) rather than other early...[Show more]

CollectionsANU Research Publications
Date published: 2018-06-20
Type: Journal article
URI: http://hdl.handle.net/1885/197212
Source: Royal Society Open Science
DOI: 10.1098/rsos.180094
Access Rights: Open Access

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