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Article: Newly recognized Famennian lungfishes from East Greenland reveal tooth plate diversity and blur the Devonian–Carboniferous boundary

Papers in Palaeontology - Volume 5 Issue 2 - Cover
Publication: Palaeontology
Volume: 5
Part: 2
Publication Date: May 2019
Page(s): 261 279
Author(s): Jennifer Alice Clack, Thomas James Challands, Timothy Richard Smithson, and Keturah Zoe Smithson
DOI: /doi/10.1002/spp2.1242
Addition Information

How to Cite

CLACK, J.A., CHALLANDS, T.J., SMITHSON, T.R., SMITHSON, K.Z. 2019. Newly recognized Famennian lungfishes from East Greenland reveal tooth plate diversity and blur the Devonian–Carboniferous boundary. Papers in Palaeontology, 5, 2, 261-279. DOI: /doi/10.1002/spp2.1242

Author Information

  • Jennifer Alice Clack - University Museum of Zoology Downing St Cambridge CB2 3EJ UK
  • Thomas James Challands - University of Edinburgh School of Geosciences Grant Institute of Earth Sciences James Hutton Road Edinburgh EH9 3FE UK
  • Timothy Richard Smithson - University Museum of Zoology Downing St Cambridge CB2 3EJ UK
  • Keturah Zoe Smithson - University Museum of Zoology Downing St Cambridge CB2 3EJ UK

Publication History

  • Issue published online: 03 May 2019
  • Manuscript Accepted: 27 June 2018
  • Manuscript Received: 05 February 2018

Funded By

Leverhulme Emeritus Fellowship. Grant Number: EM‐2016.038

Online Version Hosted By

Wiley Online Library
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Abstract

Three lungfish specimens from the late Famennian of East Greenland are described. One forms the holotype of a new genus and species, Celsiodon ahlbergi gen. et sp. nov., which, in cladistic analyses, is placed close to the Carboniferous genus Ctenodus. The analyses reveal some Late Devonian lungfishes clustering with Early Carboniferous taxa, suggesting that Late Devonian lungfishes included more crownward taxa than previously appreciated, and that the Devonian–Carboniferous boundary was more fluid for lungfish taxa than supposed. Further study of other specimens shows a range of tooth plate morphologies and tooth crown morphologies, suggesting that the Late Devonian lungfishes were even more diverse and occupied a wider range of feeding strategies than previously suspected.

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