Fossils and avian evolution.
Discoveries of archaic Mesozoic fossil birds ('opposite' birds, or enantiornithines) during the past decade have revolutionized our understanding of early avian evolution, but the rarity of Early Cretaceous ornithurines - birds that are closely related to the modern avian radiation - has meant that information about these species has lagged behind.
Feduccia
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Department of Biology, University of North Carolina, Chapel Hill 27599-3280, USA. feduccia@bio.unc.edu
D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000033:anatomy & histology / Q000145:classification*; D005580:Fossils