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RE: Whale phylogenetics and evolution
I seriously recommend EVERYONE take a look at this paper! A wonderful synthesis
of recent research on the origin and diversification
of whales, and a great model for review papers.
Thomas R. Holtz, Jr.
Email: firstname.lastname@example.org Phone: 301-405-4084
Office: Centreville 1216
Senior Lecturer, Vertebrate Paleontology
Dept. of Geology, University of Maryland
Faculty Director, Science & Global Change Program, College Park Scholars
Mailing Address: Thomas R. Holtz, Jr.
Department of Geology
Building 237, Room 1117
University of Maryland
College Park, MD 20742 USA
> -----Original Message-----
> From: owner-DINOSAUR@usc.edu [mailto:owner-DINOSAUR@usc.edu] On Behalf Of Ben
> Sent: Tuesday, February 05, 2013 1:36 AM
> To: email@example.com
> Subject: Whale phylogenetics and evolution
> From: Ben Creisler
> A non-dino paper that may be of interest:
> John Gatesy, Jonathan H. Geisler, Joseph Chang, Carl Buell, Annalisa Berta,
> Robert W. Meredith, Mark S. Springer & Michael R.
> A phylogenetic blueprint for a modern whale.
> Molecular Phylogenetics and Evolution 66(2): 479-506
> 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
> 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
> three large concatenations of molecular and fossil data to yield a composite
> hypothesis that encompasses many critical events in
> 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
> (morphological + paleontological) approaches that ultimately must be
> exploited to provide a rich understanding of evolutionary
> across the entire tree of Life.