Table 3. Mean and range (95% credibility intervals) divergence time estimations (Mya) among the major Ascomycota lineages for the 4 molecular clock scenarios studied.

	Scenarios	Scenario 1		Scenario 2		Scenario 3		Scenario 4
Node label	Clade name	95% CI	Mean	95% CI	Mean	95% CI	Mean	95% CI	Mean
1	Ascomycota crown	408–715	539	419–660	533	408–633	512	410–671	531
2	Pezizomycotina crown	417–614	498	421–555	485	420–532	471	422–558	485
3	Pezizomycetes–Leotiomyceta	400–539	445	400–485	435	400–466	424	400–487	435
4	Orbiliomycetes crown	32–201	107	41–197	110	39–191	105	39–188	106
5	Leotiomyceta crown	306–490	388	338–434	383	325–413	370	338–434	383
6	Pezizomycetes crown	192–448	322	203–425	322	213–407	317	203–425	322
7		274–444	353	308–385	348	298–373	335	310–394	350
8	Geoglossomycetes crown	27–145	77	26–127	70	29–142	77	26–127	70
9	Lichinomycetes–Coniocybomycetes	190–363	273	204–328	267	194–319	257	204–328	267
10	Coniocybomycetes crown	66–150	107	73–141	107	73–137	104	72–141	106
11	Lichinomycetes crown	107–260	181	114–238	175	112–228	170	114–238	175
12	Candelariales crown	30–196	105	36–178	101	40–164	98	36–178	101
13	Inoperculate Fungi+Arthoniomycetes	224–386	302	255–346	300	243–331	288	251–348	302
14	Sordariomycetes–Leotiomycetes split	166–320	245	197–296	245	190–285	236	193–299	247
15	Sordariomycetes crown	64–194	127	81–189	135	71–170	121	77–181	130
16	Leotiomycetes crown	61–209	134	67–191	129	69–197	130	62–199	133
17	Arthoniomycetes crown	88–232	158	96–228	161	95–214	153	100–219	158
18	Dothideomycetes crown	93–252	169	105–245	173	103–226	164	107–245	174
19	Lecanoromycetes crown	233–388	306	265–342	304	256–326	291	267–344	305
20	Eurotiomycetes crown	231–386	307	265–344	304	254–329	292	266–347	306
21		204–354	276	233–314	273	224–305	263	234–314	273
22		165–303	230	186–272	229	179–261	221	184–270	227
23		155–292	222	173–262	217	167–253	210	171–263	217
24		121–233	174	137–215	175	129–207	168	134–214	173
25	Eurotiales	73–169	119	84–163	122	80–154	117	81–159	118
26	Onygenales	89–193	139	102–183	140	95–176	134	100–181	139
27		107–228	166	120–208	163	114–204	157	116–208	161
28	Chaetothyriales	33–121	74	38–114	75	32–106	69	35–110	72
29	Verrucariales	35–124	76	37–112	72	36–107	70	33–116	74
30	Pyrenulales	58–185	120	65–172	119	63–167	115	66–173	120
31	Mycocaliciales	84–239	157	82–232	153	79–218	146	87–226	152
32	Acarosporomycetidae	49–146	95	55–132	91	52–134	90	53–134	91
33	Ostropomycetidae	184–309	243	211–275	243	202–261	232	211–275	243
34	Umbilicariales crown	94–280	194	102–266	192	106–253	182	105–269	191
35	Lecanoromycetidae* crown	175–302	235	202–269	234	193–257	225	203–269	236
36	Variolaria	75–167	121	82–155	118	82–150	115	83–154	118
37	Ochrolechiaceae	22–99	59	22–99	58	25–95	58	25–99	59
38	Megasporaceae	37–132	80	42–132	80	41–122	79	39–121	80
39	Varicellaria	36–122	76	35–115	74	33–113	71	37–112	73
40	Microcaliciales	31–98	63	34–92	61	32–88	59	34–89	60
41	Arctomiaceae	3–17	9	3–15	9	3–15	8	3–16	9
42	Icmadophilaceae	45–145	90	51–136	91	47–125	85	50–135	90
43	Ostropales	138–248	190	158–229	192	150–212	181	155–221	189
44	Coccotremataceae	66–163	112	72–159	113	69–154	109	70–156	111
45	Agyriaceae–Pertusaria s.str.	91–205	147	99–196	148	95–189	141	106–199	151
46	Lecanoromycetidae** crown	160–279	216	182–250	215	176–240	206	185–248	217
47	Lecanorales crown	104–210	156	119–195	156	115–188	151	120–196	158
48	Peltigerales crown	95–201	146	104–193	149	101–189	142	109–192	150
49	Lecideales crown	16–79	44	16–73	42	15–71	42	15–79	44
50	Caliciales crown	118–222	168	132–199	166	128–193	161	135–202	169
51	Rhizocarpales crown	66–239	156	84–224	162	87–217	156	90–230	161

Node labels correspond to nodes in Fig. 2.

^*Excluding Umbilicariales;

^**Excluding Umbilicariales and Rhizocarpales.