interval_name,interval_age_bottom,interval_age_top,total_units,total_sections,total_columns,matched_units,matched_sections,matched_columns,matched_area,total_marine_units,total_terrestrial_units,subsurface_units,matched_marine_units,matched_terrestrial_units,matched_marginal_units,matched_mixed_units,matched_unknown_units,unmatched_collections,total_matched_collections,marine_collections,terrestrial_collections,marginal_collections,mixed_collections,unknown_collections
Piacenzian,3.6,2.588,333,263,259,66,61,61,881194.0353,211,122,18,17,38,2,9,0,64,553,55,364,11,123,0
Zanclean,5.332,3.6,282,241,240,63,61,61,763067.3557,184,98,27,13,34,3,13,0,266,512,57,282,31,142,0
Messinian,7.246,5.332,250,207,207,67,62,62,889424.5106,153,97,27,15,41,3,8,0,212,706,61,489,64,92,0
Tortonian,11.608,7.246,344,219,209,108,83,82,1174826.939,236,108,42,30,59,5,14,0,224,1021,83,701,72,165,0
Serravallian,13.65,11.608,353,213,207,94,78,75,1089354.576,253,100,48,26,48,4,16,0,228,898,82,579,15,222,0
Langhian,15.97,13.65,282,196,194,67,57,57,807156.3423,209,73,38,18,30,10,9,0,213,711,96,395,63,157,0
Burdigalian,20.43,15.97,290,208,205,67,58,58,887979.4481,219,71,34,15,29,9,14,0,271,670,107,292,33,238,0
Aquitanian,23.03,20.43,225,176,174,54,47,47,796462.6853,163,62,24,18,22,5,9,0,296,383,107,153,30,93,0
Chattian,28.4,23.03,288,190,179,55,45,43,809606.359,207,81,34,20,24,2,9,0,61,794,69,645,6,74,0
Rupelian,33.9,28.4,269,179,173,63,48,47,921661.1615,175,94,37,26,32,2,3,0,57,698,131,493,3,71,0
Priabonian,37.2,33.9,327,181,179,88,65,65,1101666.051,242,85,23,30,30,8,11,9,47,789,198,308,45,217,21
Bartonian,40.4,37.2,348,213,208,92,64,63,1141645.58,264,84,33,32,36,3,19,2,60,803,141,387,7,263,5
Lutetian,48.6,40.4,382,227,223,97,70,69,1113686.626,292,90,59,33,38,7,15,4,98,1272,185,493,11,555,28
Ypresian,55.8,48.6,356,227,204,87,65,62,1085003.557,282,74,69,23,39,9,12,4,254,1486,60,1203,70,125,28
Selandian and Thanetian,61.7,55.8,348,226,219,100,78,75,1689123.688,270,78,55,29,44,9,15,3,79,1170,141,828,54,137,10
Danian,65.5,61.7,264,199,194,97,73,72,1781106.321,190,74,31,24,45,9,16,3,39,1403,138,1072,14,172,7
Maastrichtian,70.6,65.5,428,228,219,158,99,96,2383363.609,356,72,82,65,53,9,28,3,50,2433,931,931,13,553,5
Campanian,83.5,70.6,491,239,233,147,100,100,2492947.059,441,50,96,72,28,12,33,2,142,1791,483,331,16,958,3
Santonian,85.8,83.5,363,239,233,80,68,67,1728213.247,339,24,63,39,13,8,17,3,32,906,377,65,13,448,3
Coniacian,89.3,85.8,302,219,216,56,49,49,1168479.445,287,15,54,30,10,6,9,1,30,590,325,49,12,203,1
Turonian,93.5,89.3,405,254,246,77,64,64,1663901.77,380,25,89,53,11,6,6,1,51,657,457,51,12,136,1
Cenomanian,99.6,93.5,537,302,265,96,72,72,1853031.755,502,35,175,51,19,5,16,5,42,1000,394,53,9,524,20
Albian,112,99.6,683,292,278,111,70,70,2205045.763,628,55,218,35,34,7,25,10,122,780,186,101,40,408,45
Aptian,125,112,369,224,208,42,38,38,813772.4058,342,27,149,12,13,1,14,2,37,245,58,97,1,84,5
Barremian,130,125,210,162,161,18,17,17,335924.3319,199,11,57,5,5,0,5,3,40,91,38,17,0,33,3
Hauterivian,136.4,130,218,161,158,18,17,17,361232.9375,208,10,58,5,7,1,3,2,50,191,30,115,1,43,2
Valanginian,140.2,136.4,219,157,152,34,31,30,731296.5846,207,12,50,17,9,2,3,3,75,291,117,117,2,43,12
Berriasian,145.5,140.2,189,149,145,27,26,26,636275.4041,179,10,56,13,8,2,2,2,36,256,89,116,2,38,11
Tithonian,150.8,145.5,233,183,180,43,42,42,1092040.083,209,24,73,14,23,3,2,1,19,348,92,230,3,22,1
Kimmeridgian,155.7,150.8,227,165,163,39,35,35,845950.065,200,27,88,11,25,1,2,0,5,313,78,222,1,12,0
Oxfordian,161.2,155.7,261,177,163,31,28,28,598848.7244,241,20,89,14,13,1,3,0,5,214,98,103,1,12,0
Callovian,164.7,161.2,200,153,148,20,17,17,328155.1461,189,11,53,14,3,0,3,0,4,122,104,9,0,9,0
Bathonian,167.7,164.7,176,138,135,28,27,27,564628.715,171,5,44,24,2,0,2,0,3,234,225,2,0,7,0
Bajocian,171.6,167.7,171,137,134,33,29,29,593911.0098,163,8,19,27,2,1,3,0,2,225,205,2,9,9,0
Aalenian,175.6,171.6,117,109,106,26,26,26,482675.8507,105,12,13,15,9,1,1,0,2,209,146,52,9,2,0
Toarcian,183,175.6,140,126,123,40,38,38,870412.1953,124,16,11,27,11,1,0,1,52,951,886,55,9,0,1
Pliensbachian,189.6,183,133,113,111,35,34,34,750209.5108,115,18,10,21,12,1,0,1,56,426,356,68,1,0,1
Sinemurian,196.5,189.6,146,124,122,35,33,33,781546.52,128,18,11,19,13,1,1,1,52,308,207,94,1,5,1
Hettangian,199.6,196.5,127,110,109,26,24,24,415932.4239,106,21,16,6,14,4,1,1,113,158,66,76,10,5,1
Rhaetian,203.6,199.6,183,156,155,35,30,30,606003.9969,162,21,34,8,18,5,2,2,17,302,134,129,11,26,2
Norian,216.5,203.6,239,198,197,56,50,50,1227042.633,213,26,40,24,23,5,1,3,23,473,275,170,11,12,5
Carnian,228,216.5,258,189,186,52,47,46,1145915.567,234,24,36,27,20,0,0,5,32,363,224,128,0,0,11
Ladinian,237,228,140,117,116,30,26,25,558209.6757,131,9,15,21,5,0,1,3,4,158,113,32,0,6,7
Anisian,245,237,112,92,91,21,20,19,510839.7784,108,4,9,17,1,0,1,2,2,134,102,24,0,2,6
Early Triassic,251,245,154,127,126,39,37,37,833610.0684,150,4,18,35,2,0,1,1,12,369,361,5,0,2,1
Lopingian,260.4,251,109,77,71,11,9,8,167405.5983,107,2,29,10,0,0,1,0,0,354,351,0,0,3,0
Guadalupian,270.6,260.4,348,187,180,49,34,34,840995.5652,343,5,78,42,2,1,4,0,6,729,654,24,1,50,0
Leonardian,280,270.6,423,222,211,78,58,56,1333891.471,392,31,86,48,20,2,8,0,11,570,410,66,2,92,0
Wolfcampian,299,280,462,204,197,95,45,43,973144.6336,426,36,158,47,23,1,15,9,7,1035,633,75,1,301,25
Virgilian,305,299,459,189,188,75,46,46,906862.1209,440,19,187,49,12,3,8,3,29,545,379,21,5,125,15
Missourian,306.5,305,508,202,201,77,45,45,905673.5611,493,15,168,53,10,1,8,5,98,463,331,17,3,103,9
Desmoinian,308,306.5,539,262,258,88,57,57,1107918.133,512,27,98,46,17,4,10,11,102,696,401,51,5,209,30
Atokan,311.7,308,381,269,267,53,48,48,868189.9041,373,8,40,29,7,3,6,8,99,270,182,19,10,45,14
Morrowan,318.1,311.7,478,282,277,64,57,57,1016981.815,471,7,47,35,6,5,8,10,97,353,188,22,12,118,13
Chesterian,333,318.1,679,252,244,98,60,60,1013931.365,675,4,91,78,3,4,2,11,41,579,451,4,8,59,57
Meramecian,340,333,610,301,290,71,53,52,874798.0416,607,3,118,52,1,0,3,15,67,461,284,2,0,82,93
Osagean,348,340,527,302,293,95,80,78,1260160.425,515,12,99,60,6,3,4,22,69,569,267,95,4,112,91
Kinderhookian,359.2,348,531,289,276,83,70,68,1397753.156,519,12,117,53,7,1,2,20,48,503,313,103,2,16,69
Conewangan,365,359.2,390,268,258,49,42,42,719223.6191,381,9,80,23,4,0,5,17,61,299,145,20,0,88,46
Cassadagan,374.5,365,388,264,257,61,49,49,915402.0425,380,8,62,37,2,0,7,15,16,360,237,2,0,79,42
Chemungian,379,374.5,459,267,259,79,52,52,1472477.309,452,7,71,57,1,0,10,11,72,541,306,4,0,201,30
Fingerlakesian,385.3,379,453,269,255,70,48,47,1658359.05,441,12,93,49,2,0,11,8,84,1040,545,102,0,369,24
Givetian,391.8,385.3,468,257,227,91,61,54,1649101.504,460,8,70,80,3,0,6,2,41,1079,907,7,0,148,17
Eifelian,397.5,391.8,517,261,241,78,52,48,1032385.933,509,8,86,61,3,1,6,7,40,775,560,6,2,200,7
Emsian,407,397.5,303,220,210,31,26,26,457237.5994,296,7,62,18,3,2,6,2,19,150,70,24,3,51,2
Siegenian,411.2,407,305,219,212,20,19,19,327021.677,302,3,58,13,2,1,2,2,20,83,69,2,1,9,2
Gedinnian,416,411.2,392,227,220,49,39,38,669966.6806,390,2,53,43,1,1,2,2,25,307,294,1,1,9,2
Pridoli,418.7,416,408,224,217,61,49,48,932263.2259,408,0,89,46,0,4,11,0,39,390,290,0,4,96,0
Ludlow,422.9,418.7,508,269,256,70,54,52,1713082.84,508,0,148,58,0,6,5,1,36,466,408,0,8,49,1
Wenlock,428.2,422.9,528,286,278,96,69,67,1974842.031,528,0,111,82,0,7,6,1,29,676,574,0,7,94,1
Telychian,436,428.2,451,314,294,76,60,55,1724619.194,451,0,80,70,0,2,4,0,142,691,598,0,2,91,0
Aeronian,439,436,373,278,271,46,44,41,948851.1428,373,0,90,40,0,1,4,1,116,542,351,0,3,187,1
Rhuddanian,443.7,439,298,238,233,40,37,37,927978.9103,298,0,56,37,0,1,2,0,122,434,308,0,3,123,0
Richmondian and Hirnantian,450,443.7,441,300,291,92,70,68,2169741.767,441,0,91,84,0,1,1,6,288,1281,1153,0,1,121,6
Edenian and Maysvillian,453.5,450,633,353,322,123,83,76,2142213.033,633,0,141,115,0,0,2,6,200,1891,1611,0,0,271,9
Rocklandian and Kirkfield and Shermanian,459,453.5,571,347,329,84,66,64,1439432.568,571,0,123,77,0,0,2,5,211,827,660,0,0,162,5
Blackriverian,460.9,459,616,330,302,90,55,53,1186854.053,616,0,177,81,0,0,3,6,233,529,497,0,0,23,9
Llandeilo,464,460.9,436,287,279,48,42,41,1022618.381,436,0,120,38,0,0,4,6,38,250,221,0,0,18,11
Llanvirnian,471.8,464,312,239,224,48,41,40,1031690.538,312,0,45,43,0,0,3,2,45,337,325,0,0,9,3
Floian,478.6,471.8,425,312,303,66,56,54,1185724.423,425,0,90,55,0,3,5,3,36,452,394,0,7,47,4
Tremadocian,488.3,478.6,502,329,321,67,54,52,1062256.361,502,0,130,51,0,5,8,3,101,360,291,0,9,57,3
Trempealeauan,492.5,488.3,409,314,309,42,38,38,878757.5226,409,0,122,34,0,2,4,2,152,480,328,0,2,148,2
Franconian,496.8,492.5,468,314,311,44,37,37,816416.2349,468,0,146,33,0,2,4,5,60,592,418,0,2,167,5
Dresbachian,501,496.8,565,314,304,50,44,44,920331.9996,565,0,208,36,0,2,3,9,60,497,339,0,2,146,10
Middle Cambrian,513,501,583,248,242,65,44,44,806489.1251,583,0,54,49,0,0,2,14,102,653,606,0,0,26,21
Early Cambrian,542,513,392,177,169,31,23,22,402964.5968,392,0,36,20,0,2,0,9,106,415,369,0,3,0,43