A high latitude Devonian lungfish, from the Famennian of South Africa

Author:

Gess Robert W.123ORCID,Clement Alice M.4ORCID

Affiliation:

1. Geology Department, Rhodes University, Makhanda/Grahamstown, South Africa

2. Albany Museum, Makhanda/Grahamstown, South Africa

3. Wits University, DST-NRF Centre of Excellence in Palaeosciences (CoE-Pal), Johannesburg, South Africa

4. College of Science and Engineering, Flinders University, Adelaide, SA, Australia

Abstract

New fossil lungfish remains comprising two parasphenoids, tooth plates and scales from the Famennian Witpoort Formation of South Africa are described. From the parasphenoid material, which bears similarity to Oervigia and Sagenodus but is nevertheless unique, a new genus, Isityumzi mlomomde gen. et sp. nov. is erected. Tooth plates and scales from the same locality may be conspecific but are not yet assigned until further material becomes available. The tooth plates closely resemble those of some taxa in the Carboniferous genus Ctenodus. The new taxon is significant as only the second Devonian lungfish described from the African continent, and for hailing from the high-latitude (polar) Waterloo Farm environment situated close to 70° south during the Famennian.

Funder

Rob Gess received research support from the South African DST-NRF Centre of Excellence in Palaeosciences (CoE in Palaeosciences) and support by the South African MillenniumTrust

The South African National Roads Agency supported the rescue of shale during roadworks and construction of storage sheds

The travel required for this research was made possible by funding from the Flinders University (Adelaide, Australia) Vice-Chancellor’s Early Career Researcher Award, conferred to Alice Clement

Alice Clement received support from the Australia Research Council Discovery Grant

Publisher

PeerJ

Subject

General Agricultural and Biological Sciences,General Biochemistry, Genetics and Molecular Biology,General Medicine,General Neuroscience

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