mam15.aa: amino acid sequences (N=3414) for the six mammals.
mam15.ass: association vectors for edges and trees.
mam15.lnf: site-wise log-likelihood values (output from PAML).
mam15.log: detailed information for the associations.
mam15.mt: site-wise log-likelihood values (output from seqmt).
mam15.tpl: 15 tree topologies.

All the files are in simple text format.

This dataset was originally used in:

H. Shimodaira and M. Hasegawa (1999). Multiple comparisons of
log-likelihoods with applications to phylogenetic inference, Molecular
Biology and Evolution, 16, 1114-1116.