TS1 Harland at al. 1990 | TS2 Gradstein et al. 1995 | TS3 Gradstein et al 2004 ICS | TS4 Walker et al 2009

SUB-PERIOD	AGE	TS1	TS2	Error	TS3	Error	TS4
Triassic Late	Carnian	235-223.4	227-220.7	4.4	228-216.5	2.0	235-228
-	Norian	223.4-209.5	220.7-209.6	4.1	216.5-203.6	2.0	228-204
-	Rhaetian	209.5-208	209.6-205.7	4.0	203.6-199.6	1.5	204-201.6
Jurassic Early	Hettangian	208-203.5	205.7-201.9	3.9	199.6-196.5	0.6	201.6-197
-	Sinemurian	203.5-194.5	201.9-195.3	3.9	196.5-189.6	1.0	197-190
-	Pliensbacahin	194.5-187	195.3-189.6	4.0	189.6-183	1.5	190-183
-	Toarcian	187-178	189.6-180.1	4.0	183-175.6	1.5	183-176
Jurassic Middle	Aalenian	178-173.5	180.1-176.5	4.0	175.6-171.6	2.0	176-172
-	Bajocian	173.5-166.1	176.5-169.2	4.0	171.6-167.7	3.0	172-168
-	Bathonian	166.1-161.3	169.2-164.4	3.8	167.7-164.7	3.5	168-165
-	Callovian	161.3-157.1	164.4-159.4	3.6	164.7-161.2	4.0	165-161
Jurassic Late	Oxfordian	157.1-154.7	159.4-154.1	3.2	161.2-155	4.0	161-156
-	Kimmeridgian	154.7-152.1	154.1-150.7	3.0	155-150.8	4.0	156-151
-	Tithonian	152.1-145.6	150.7-144.2	2.6	150.8-145.5	4.0	151-145.5
Cretaceous Early	Berriasian	145.6-140.7	144.2-137.0	2.2	145.5-140.2	4.0	145.5-140
-	Valanginian	140.7-135	137.0-132.0	1.9	140.2-136.4	3.0	140-136
-	Hauterivian	135-131.8	132.0-127.0	1.6	136.4-130	2.0	136-130
-	Barremian	131.8-124.5	127.0-121.0	1.4	130-125	1.5	130-125
-	Aptian	124.5-112	121.0-112.2	1.1	125-112	1.0	125-112
-	Albian	112-97	112.2-98.9	0.6	112-99.6	1.0	112-99.6
Cretaceous Late	Cenomanian	97-90.4	98.9-93.5	0.2	99.6-93.5	0.9	99.6-93.5
-	Turonian	90.4-88.5	93.5-89.9	0.5	93.5-89.3	0.8	93.5-89.3
-	Coniacian	88.5-86.6	89.9-85.8	0.5	89.3-85.5	1.0	89.3-85.5
-	Santonian	86.6-83	85.8-83.5	0.5	85.5-83.5	0.7	85.5-83.5
-	Campanian	83-74	83.5-71.0	0.5	83.5-70.6	0.7	83.5-70.6
-	Maastrichtian	74-65	71.0-65.0	0.1	70.6-65.5	0.6 - 0.3	70.6-65.5