format
These data are stored as an object of class "treeshape"
.source
Bininda-Emonds, O. R., Gittleman, J. L. and Purvis, A. (1999) Building large trees by combining phylogenetic information: a complete phylogeny of the extant Carnivora (Mammalia). Biological Reviews, 74, 143 -- 175. for more details about "carnivora.treeshape"
.
Hayasaka, K., Gojobori, T. and Horai, S. (1988) Molecular phylogeny and evolution of primate mitochondrial DNA. Molecular Biology and Evolution, 5, 626 -- 644, for more details about "primates"
.