Table 1.

Parameter values used in the present study. Parameter values that differ from those used by Nunn et al. (2006) are in bold.

simulation parameter	values used in this study
grid size	6 × 6, 10 × 10
probability of diversification	0.96
probability of extinction	0.02, 0.32
number of generations	60
number of simulations	1000
correlation between traits	0, 0.3, 0.6
variance of trait change	0.02
probability of horizontal transmission	0, 0.0008, 0.0016, 0.0024, 0.0032, 0.0048, 0.0064, 0.008, 0.02, 0.06, 0.15
mode of horizontal transmission	paired, separate