Phylogeography and historical demography of the Lusitanian snail Elona quimperiana reveal survival in unexpected separate glacial refugia

Table 3 Time to the most recent common ancestor (TMRCA; in million years, Myr) for all E. quimperiana sequences and for the two phylogenetic lineages defined.

Gene	Standard molecular clock estimates		Divergence time estimates
			All	Brittany-Spain	Basque Country
CO1	4% per Myr	mean (in Myr)	1.02	0.43	0.31
	(third base)	95% hpd upper	0.64	0.25	0.14
		95% hpd lower	1.45	0.65	0.52
	6.86% per Myr	mean (in Myr)	0.60	0.25	0.18
	(third base)	95% hpd upper	0.37	0.14	0.08
		95% hpd lower	0.84	0.38	0.30
	2% per Myr	mean (in Myr)	0.65	0.31	0.20
	(three bases)	95% hpd upper	0.42	0.17	0.09
		95% hpd lower	0.92	0.46	0.34
	2.2% per Myr	mean (in Myr)	0.59	0.29	0.18
	(three bases)	95% hpd upper	0.38	0.15	0.08
		95% hpd lower	0.84	0.42	0.31
	3% per Myr	mean (in Myr)	0.44	0.21	0.13
	(three bases)	95% hpd upper	0.28	0.11	0.06
		95% hpd lower	0.61	0.31	0.23
16S	0.5% per Myr	mean (in Myr)	2.39	0.81	0.17
		95% hpd upper	1.30	0.30	0.01
		95% hpd lower	3.70	1.36	0.41
	2% per Myr	mean (in Myr)	0.60	0.20	0.04
		95% hpd upper	0.32	0.08	0.002
		95% hpd lower	0.95	0.34	0.10
	10% per Myr	mean (in Myr)	0.12	0.04	0.01
		95% hpd upper	0.06	0.02	0.0004
		95% hpd lower	0.19	0.07	0.02

Results of Bayesian analyses are based on 16S rRNA and CO1 (considering the three bases or the third-codon position only) variation.

ISSN: 2730-7182