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Late Devonian antiarch remains (placoderm fish) from the Gilberton Formation, north Queensland

Title Late Devonian antiarch remains (placoderm fish) from the Gilberton Formation, north Queensland (5542 KB) pdf document icon
Author/s Young, G.C. & Burrow, C.J.
Citation

Young, G.C. & Burrow, C.J. 2020. Late Devonian antiarch remains (placoderm fish) from the Gilberton Formation, north Queensland. Memoirs of the Queensland Museum – Nature  62: 187-203. https://doi.org/10.17082/j.2204-1478.62.2020.2020-04

Accepted 26 September 2020
Published online 21 December 2020
Peer reviewed:

Yes

DOI

https://doi.org/10.17082/j.2204-1478.62.2020.2020-04

Keywords

Devonian fish; placoderms; antiarchs; Remigolepis; Gilberton Formation; Famennian

Abstract

New Devonian fish remains are described from the lower part of the Gilberton Formation of north Queensland, the first identifiable specimens found since the original specimen was described in 1936. They include the first determinable dermal skull bones from this deposit. Some dermal bones of the trunk armour are closely associated, and of similar size with morphology consistent with coming from the same fish, permitting a provisional reconstruction of the ventral wall of trunk armour. The new morphological evidence indicates a form close to the antiarch Remigolepis, and a likely age of late Famennian for the lower fossiliferous strata of the Gilberton Formation.