Spatiotemporal diversification of the true frogs (genus Rana): an historical framework for a widely studied group of model organisms

Z-y Yuan, W-w Zhou, Chen X., Poyarkov N.A., H-m Chen, N-L Jang-Liaw, W-h Chou, Matzke N.J., Iizuka K., M-s Min, Kuzmin S.L., Y-p Zhang, Cannatella D.C., Hillis D.M., Che J.