Table 2.

Pairwise Divergence Time Estimates in Panagrolaimus spp. Based on 8 Days per Generation (Measured by Us) and 50 Days per Generation as Lower Bound

Species A	Repro	Species B	Repro	Myr (8 days/gen)	Myr (50 days/gen)
P. superbus	A	ES5	A	1	3.2
PS1159	P	ES5	A	1.33	8.25
PS1159	P	P. superbus	A	1.37	8.55
ES5	A	P. redivivus	A	1.35	8.35
PS1159	P	P. redivivus	A	1.45	9.3
P. superbus	A	P. redivivus	A	1.88	11.6
ES5	A	JU765	H	2.4	14.95
PS1159	P	JU765	H	2.4	15.1
P. superbus	A	JU765	H	2.5	15.8

Calibrated with divergence times calculated for Caenorhabditis spp. by Cutter (2008). Mode of reproduction: Amphimictic, Hermaphroditic, Parthenogenetic. See Supplement Information.