Table 1. Comparison of the Molecular Clock and Universal Pacemaker models of genome evolution.

	MAST≥30		MAST≥20		MAST≥10
	MC	UPM	MC	UPM	MC	UPM
Number of trees	246		967		2,294
Number of leaves	9,134		26,441		44,889
Number of edges	17,530		49,981		82,896
E2	10,656.3	10,197.8	36,139.7	35,065.0	68,260.8	66,626
r.m.s.d., ln units	0.7797	0.7627	0.8503	0.8376	0.9074	0.8965
r.m.s.d., factor	2.1808	2.1441	2.3404	2.3108	2.4780	2.4510
ΔAIC	573.0	0	1,310.8	0	1810.8	0
Relative likelihood weight	10−125	1	10−285	1	10−393	1
ΔBIC	−196.4	0	437.7	0	887.6	0