title: Paleontology. Feathers before flight.
authors: Department of Geological Sciences, The University of Texas at Austin, Austin, TX 78712, USA. julia_clarke@jsg.utexas.edu
authors: Julia
authors: J
authors: Clarke
mesh_terms: D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000033:anatomy & histology / Q000254:growth & development; D025061:Dinosaurs / Q000033:anatomy & histology / Q000254:growth & development; D005241:Feathers / Q000033:anatomy & histology / Q000254:growth & development* / Q000648:ultrastructure; D005426:Flight, Animal; D005580:Fossils; D017433:Protein Structure, Secondary; D053800:beta-Keratins / Q000737:chemistry
chemical_list: D053800:beta-Keratins