The Relationships of the Higher Taxa of Birds: Problems in Phylogenetic Reasoning

Abstract

Journal Article The Relationships of the Higher Taxa of Birds: Problems in Phylogenetic Reasoning Get access Joel Cracraft Joel Cracraft Department of Anatomy University of Illinois at the Medical Center Chicago, Illinois 60680 Search for other works by this author on: Oxford Academic Google Scholar The Condor, Volume 74, Issue 4, 1 October 1972, Pages 379–392, https://doi.org/10.2307/1365890 Published: 01 October 1972 Article history Accepted: 31 January 1972 Published: 01 October 1972