MRCA Age (MY)	Ntax	Citation	Newick
69.217738	3	Grealy, Alicia, Matthew Phillips, Gifford Miller, M. Thomas P. Gilbert, Jean-Marie Rouillard, David Lambert, Michael Bunce, James Haile. 2017. Eggshell palaeogenomics: Palaeognath evolutionary history revealed through ancient nuclear and mitochondrial DNA from Madagascan elephant bird (Aepyornis sp.) eggshell. Molecular Phylogenetics and Evolution 109: 151-163	((Rhea_americana:11.62526,Pterocnemia_pennata:11.62526):57.592478,Struthio_camelus:69.217738);
22.497554	3	Hedges, S. Blair, Julie Marin, Michael Suleski, Madeline Paymer, Sudhir Kumar. 2015. Tree of life reveals clock-like speciation and diversification. Molecular Biology and Evolution 32 (4): 835-845	((Pterocnemia_pennata:13.646576,Rhea_americana:13.646576):8.850978,Struthio_camelus:22.497554);
320.5238235	4	Hedges, S. Blair, Julie Marin, Michael Suleski, Madeline Paymer, Sudhir Kumar. 2015. Tree of life reveals clock-like speciation and diversification. Molecular Biology and Evolution 32 (4): 835-845	(((Pterocnemia_pennata:13.690397,Rhea_americana:13.690397):59.709603,Struthio_camelus:73.4):247.1238235,Mus_musculus:320.5238235);
50.589113	2	Prum, Richard O., Jacob S. Berv, Alex Dornburg, Daniel J. Field, Jeffrey P. Townsend, Emily Moriarty Lemmon, Alan R. Lemmon. 2015. A comprehensive phylogeny of birds (Aves) using targeted next-generation DNA sequencing. Nature 526, (7574): 569-573	(Struthio_camelus:50.589113,Rhea_americana:50.589113);
54.005005	2	Prum, Richard O., Jacob S. Berv, Alex Dornburg, Daniel J. Field, Jeffrey P. Townsend, Emily Moriarty Lemmon, Alan R. Lemmon. 2015. A comprehensive phylogeny of birds (Aves) using targeted next-generation DNA sequencing. Nature 526, (7574): 569-573	(Rhea_americana:54.005005,Struthio_camelus:54.005005);
65.287548	2	Claramunt, Santiago, Joel Cracraft. 2015. A new time tree reveals Earth historys imprint on the evolution of modern birds. Science Advances 1 (11): e1501005-e1501005	(Rhea_americana:65.287548,Struthio_camelus:65.287548);
53.9740545	3	Jetz, W., G. H. Thomas, J. B. Joy, K. Hartmann, A. O. Mooers. 2012. The global diversity of birds in space and time. Nature 491 (7424): 444-448	((Pterocnemia_pennata:7.251276,Rhea_americana:7.251276):46.7227785,Struthio_camelus:53.9740545);
58.373873	3	Jetz, W., G. H. Thomas, J. B. Joy, K. Hartmann, A. O. Mooers. 2012. The global diversity of birds in space and time. Nature 491 (7424): 444-448	((Pterocnemia_pennata:7.84238,Rhea_americana:7.84238):50.531493,Struthio_camelus:58.373873);
72.88128619803	3	Mitchell, K. J., B. Llamas, J. Soubrier, N. J. Rawlence, T. H. Worthy, J. Wood, M. S. Y. Lee, A. Cooper. 2014. Ancient DNA reveals elephant birds and kiwi are sister taxa and clarifies ratite bird evolution. Science 344 (6186): 898-900.	((Rhea_americana:8.582181715,Pterocnemia_pennata:8.582181715):64.29910448,Struthio_camelus:72.8812862);