A phylogenetic blueprint for a modern whale

John Gatesy, Jonathan H. Geisler, Joseph Chang, Carl Buell, Annalisa Berta, Robert Meredith, Mark S. Springer, Michael R. McGowen

Research output: Contribution to journalArticleResearchpeer-review

97 Citations (Scopus)

Abstract

The emergence of Cetacea in the Paleogene represents one of the most profound macroevolutionary transitions within Mammalia. The move from a terrestrial habitat to a committed aquatic lifestyle engendered wholesale changes in anatomy, physiology, and behavior. The results of this remarkable transformation are extant whales that include the largest, biggest brained, fastest swimming, loudest, deepest diving mammals, some of which can detect prey with a sophisticated echolocation system (Odontoceti - toothed whales), and others that batch feed using racks of baleen (Mysticeti - baleen whales). A broad-scale reconstruction of the evolutionary remodeling that culminated in extant cetaceans has not yet been based on integration of genomic and paleontological information. Here, we first place Cetacea relative to extant mammalian diversity, and assess the distribution of support among molecular datasets for relationships within Artiodactyla (even-toed ungulates, including Cetacea). We then merge trees derived from three large concatenations of molecular and fossil data to yield a composite hypothesis that encompasses many critical events in the evolutionary history of Cetacea. By combining diverse evidence, we infer a phylogenetic blueprint that outlines the stepwise evolutionary development of modern whales. This hypothesis represents a starting point for more detailed, comprehensive phylogenetic reconstructions in the future, and also highlights the synergistic interaction between modern (genomic) and traditional (morphological + paleontological) approaches that ultimately must be exploited to provide a rich understanding of evolutionary history across the entire tree of Life.

Original languageEnglish
Pages (from-to)479-506
Number of pages28
JournalMolecular Phylogenetics and Evolution
Volume66
Issue number2
DOIs
StatePublished - 1 Feb 2013

Fingerprint

Cetacea
Whales
whales
whale
phylogenetics
phylogeny
Mammals
genomics
Artiodactyla
History
Echolocation
echolocation
history
Diving
cetacean
Mammalia
ungulate
diving
ungulates
lifestyle

Keywords

  • Baleen
  • Cetacea
  • Fossil
  • Hippo
  • PBS
  • Phylogeny
  • Supermatrix
  • TBR

Cite this

Gatesy, J., Geisler, J. H., Chang, J., Buell, C., Berta, A., Meredith, R., ... McGowen, M. R. (2013). A phylogenetic blueprint for a modern whale. Molecular Phylogenetics and Evolution, 66(2), 479-506. https://doi.org/10.1016/j.ympev.2012.10.012
Gatesy, John ; Geisler, Jonathan H. ; Chang, Joseph ; Buell, Carl ; Berta, Annalisa ; Meredith, Robert ; Springer, Mark S. ; McGowen, Michael R. / A phylogenetic blueprint for a modern whale. In: Molecular Phylogenetics and Evolution. 2013 ; Vol. 66, No. 2. pp. 479-506.
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Gatesy, J, Geisler, JH, Chang, J, Buell, C, Berta, A, Meredith, R, Springer, MS & McGowen, MR 2013, 'A phylogenetic blueprint for a modern whale', Molecular Phylogenetics and Evolution, vol. 66, no. 2, pp. 479-506. https://doi.org/10.1016/j.ympev.2012.10.012

A phylogenetic blueprint for a modern whale. / Gatesy, John; Geisler, Jonathan H.; Chang, Joseph; Buell, Carl; Berta, Annalisa; Meredith, Robert; Springer, Mark S.; McGowen, Michael R.

In: Molecular Phylogenetics and Evolution, Vol. 66, No. 2, 01.02.2013, p. 479-506.

Research output: Contribution to journalArticleResearchpeer-review

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