Independent adaptation to riverine habitats allowed survival of ancient cetacean lineages
Independent adaptation to riverine habitats allowed survival of ancient cetacean lineages
Date
2000
Authors
Cassens, Insa
Vicario, Saverio
Waddell, Victor G.
Balchowsky, Heather
Belle, Daniel van
Ding, Wang
Fan, Chen
Lal Mohan, R. S.
Bastida, Ricardo
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Proceedings of the National Academy of Sciences of the United States of America ; 97 (2000), 21. - pp. 11343-11347. - ISSN 0027-8424. - eISSN 1091-6490
Abstract
The four species of river dolphins are associated with six separate great river systems on three subcontinents and have been grouped for more than a century into a single taxon based on their similar appearance. However, several morphologists recently questioned the monophyly of that group. By using phylogenetic analyses of nucleotide sequences from three mitochondrial and two nuclear genes, we demonstrate with statistical significance that extant river dolphins are not monophyletic and suggest that they are relict species whose adaptation to riverine habitats incidentally insured their survival against major environmental changes in the marine ecosystem or the emergence of Delphinidae.
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CASSENS, Insa, Saverio VICARIO, Victor G. WADDELL, Heather BALCHOWSKY, Daniel van BELLE, Wang DING, Chen FAN, R. S. LAL MOHAN, Ricardo BASTIDA, Axel MEYER, Paulo C. SIMÕES-LOPES, Michael J. STANHOPE, Michel C. MILINKOVITCH, 2000. Independent adaptation to riverine habitats allowed survival of ancient cetacean lineages. In: Proceedings of the National Academy of Sciences of the United States of America. 97(21), pp. 11343-11347. ISSN 0027-8424. eISSN 1091-6490. Available under: doi: 10.1073/pnas.97.21.11343BibTex
@article{Cassens2000Indep-7757, year={2000}, doi={10.1073/pnas.97.21.11343}, title={Independent adaptation to riverine habitats allowed survival of ancient cetacean lineages}, number={21}, volume={97}, issn={0027-8424}, journal={Proceedings of the National Academy of Sciences of the United States of America}, pages={11343--11347}, author={Cassens, Insa and Vicario, Saverio and Waddell, Victor G. and Balchowsky, Heather and Belle, Daniel van and Ding, Wang and Fan, Chen and Lal Mohan, R. S. and Bastida, Ricardo and Meyer, Axel and Simões-Lopes, Paulo C. and Stanhope, Michael J. and Milinkovitch, Michel C.} }
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