Avian Ancestors A Review of the Phylogenetic Relationships of the Theropods Unenlagiidae, Microraptoria, Anchiornis and Scansoriopterygidae /

• Main Authors: Agnolin, Federico (Author), Novas, Fernando E. (Author)
• Corporate Author: SpringerLink (Online service)
• Format: Electronic eBook
• Language: English
• Published: Dordrecht : Springer Netherlands : Imprint: Springer, 2013.
• Series: SpringerBriefs in Earth System Sciences, South America and the Southern Hemisphere,
• Subjects: Earth sciences.; Paleontology.; Evolutionary biology.; Animal anatomy.; Earth Sciences.; Animal Systematics/Taxonomy/Biogeography.; Evolutionary Biology.; Animal Anatomy / Morphology / Histology.

Although consensus exists among researchers that birds evolved from coelurosaurian theropods, paleontologists still debate the identification of the group of coelurosaurians that most closely approaches the common ancestor of birds. The last 20 years witnessed the discovery of a wide array of avian-...