format
The data are stored as a modified object of class "phylo"
with a mapped discrete character. (E.g., see read.simmap
.)source
Mahler, D. L, L. J. Revell, R. E. Glor, and J. B. Losos. (2010) Ecological opportunity and the rate of morphological evolution in the diversification of Greater Antillean anoles. Evolution, 64, 2731-2745.