Table 1. Details of tip-dating (TD) analyses performed in the present study.

	Tip prior distribution	Sample strategy	Sample probability	Root prior distribution
TD-A	fixed	diversity	0.01	offset exponential
TD-B	uniform	diversity	0.01	offset exponential
TD-C	uniform	diversity	0.005	offset exponential
TD-D	fixed	diversity	0.005	offset exponential
TD-E	uniform	fossiltip	0.01	offset exponential
TD-F	uniform	diversity	0.01	log-normal
TD-G	fixed	fossiltip	0.01	offset exponential
TD-H	fixed	diversity	0.01	no root
TD-I	fixed	diversity	0.01	log-normal