Blogs & Videos: Birds

2011 REU Intern Gregor-Fausto Siegmund

Calibrating phylogenies: are we using the right fossils?

GREGOR-FAUSTO SIEGMUND Sophomore Biological Sciences major at The University of Chicago REU Mentor: Dr. Peter Makovicky (Curator, Geology) Symposium Presentation Title: Measuring the quality of the avian fossil record to explain the ‘rock-clock’ divide of the avian evolutionary timescale.