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RE: Coelacanth article in current NatGeo
> -----Original Message-----
> From: owner-DINOSAUR@usc.edu [mailto:owner-DINOSAUR@usc.edu]
> On Behalf Of Erik Boehm
> Sent: Wednesday, February 23, 2011 4:37 PM
> To: firstname.lastname@example.org; email@example.com
> Subject: Re: Coelacanth article in current NatGeo
> This reminds me of a question I've had for a while:
> What use were lobe-fins before they were adapted into limbs?
> Why did the fleshy lobes evolve in the first place?
Some modern lobefins (i.e., some of the lungfish) can use them to burrow.
Various rayfins have converged on the lobefin form for use as underwater
"feet", either to brace themselves against currents or to
scuttle along on the sea floor.
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