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Bugs, Birds, and Biodiversity
A major issue I have with this study (and one raised by other) is the
assumption that flying predators were (and for that matter, are even
today) the major predators of pterygotes.
One should consider many other options in this:
*Arachnid evolution and the rise and diversification of webs
*Squamate evolution (after all, lizards are major insect predators)
*Mammaliform evolution (again, small mammals are major insect predators)
*Batrachian diversification (ribbit)
*And so forth
Thomas R. Holtz, Jr.
Email: tholtz@umd.edu Phone: 301-405-4084
Office: Centreville 1216
Senior Lecturer, Vertebrate Paleontology
Dept. of Geology, University of Maryland
http://www.geol.umd.edu/~tholtz/
Fax: 301-314-9661
Faculty Director, Science & Global Change Program, College Park Scholars
http://www.geol.umd.edu/sgc
Fax: 301-314-9843
Mailing Address: Thomas R. Holtz, Jr.
Department of Geology
Building 237, Room 1117
University of Maryland
College Park, MD 20742 USA