Usa Formation

Age range: base of the Ediacaran to the top of the Middle Pleistocene or 635.00000 to 0.12900 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Ediacaran635.0 - 541.0Spain (10573 237503)
Fortunian538.8 - 529.0Spain (237504)
Nemakit-Daldynian538.8 - 525.5Russian Federation (Irkutsk) (99190)
Nemakit-Daldynian538.8 - 525.5Russian Federation (Sakha) (99228)
Nemakit-Daldynian - Tommotian538.8 - 521.0Russian Federation (Sakha) (99229)
Tommotian525.5 - 521.0Spain (Castile-La Mancha) (78610 78611)
Tommotian525.5 - 521.0Russian Federation (Sakha) (96463 233219)
Tommotian525.5 - 521.0Russian Federation (Siberia) (10112 96464)
Atdabanian521.0 - 516.0Russian Federation (Kemorovo) (56747 56748 56749 56750 56751 56752 56753 56754 56755 56756 56757 56758 56759 57018 57019)
Atdabanian521.0 - 516.0Russian Federation (Khakasiya) (81309 81310 81311 81312 81313 81314 81315 81320 81321 81322 81323 81327 81328 81329)
Botomian516.0 - 512.9Russian Federation (Kemorovo) (56746 56760 56761 56762 56763 57020 57021 57022)
Botomian516.0 - 512.9Russian Federation (Khakasiya) (81316 81317 81318 81324 81325 81326 81330)
Lenian516.0 - 510.2Russian Federation (Kemorovo) (56764 56765 57023 57024)
Toyonian512.9 - 510.2Russian Federation (Khakasiya) (81319)
Delamaran511.2 - 506.5USA (Nevada) (225271)
Amgan510.2 - 504.5Poland (72270 199413)
Middle Cambrian509.0 - 497.0Poland (72269 199411 199412)
St Davids509.0 - 497.0USA (Nevada) (50093 50107 50108 50109 50113 50114 50292 50293 50294 50295 50296 50327 50328 50329 50330 50331 50332 50338 50339)
Tremadocian485.4 - 477.7Argentina (Jujuy) (235582)
Blackriveran457.3 - 449.6USA (Illinois, Iowa) (23445 23619 23792)
Blackriveran457.3 - 449.6USA (Illinois, Iowa, Wisconsin) (23757)
Llandovery443.4 - 433.4Saudi Arabia (228239 228240 228241)
Llandovery443.4 - 433.4Saudi Arabia (Al-Qasim) (145598)
Emsian407.6 - 393.3Russian Federation (115780 115782)
Early/Lower Frasnian383.7 - 382.4Turkey (200387)
Late/Upper Givetian380.2 - 382.7Turkey (200386)
Moscovian315.2 - 307.0USA (South Dakota) (132341)
Rusavkinian303.7 - 302.2Russian Federation (Vladimir) (155903 155907 155908 155909)
Gzhelian303.7 - 298.9USA (Kansas) (133136)
Capitanian264.28 - 259.51Malaysia (42720 42734)
Capitanian264.28 - 259.51Malaysia (Pahang) (42716 42717 42718 42719 42721 42722 42723 42724 42725 42726 42727 42728 42729 42730 42731 42732 42733)
Changhsingian254.17 - 252.17Malaysia (Padang) (152587 152588 152589 152590 152591)
Induan252.17 - 251.2Malaysia (Kelantan) (44817)
Induan - Olenekian252.17 - 247.2Japan (Hyogo) (39624)
Spathian251.3 - 247.2Germany (Sachsen-Anhalt) (196668)
Olenekian251.2 - 247.2Malaysia (Kelantan) (44818)
Rhaetian - Early/Lower Hettangian208.5 - 196.5Germany (Nordrhein-Westphalen) (114771)
Tithonian - Neocomian152.1 - 125.77Japan (Miyagi) (40217)
Late/Upper Berriasian145.0 - 140.2Italy (Trapani) (37034)
Berriasian145.0 - 139.8Japan (Miyagi) (40161 40329)
Berriasian - Hauterivian145.0 - 129.4Brazil (Paraiba) (237362)
Berriasian - Hauterivian145.0 - 129.4Brazil (Paraíba) (51954 53917 56463 58786 58787 58788 58790 58791 58795 58796 58797 58798 58801 58803 58804 68631 68632 133616 133617 187905 187906 187908 187909 187910 187911 187912 187913 187914 187915 187916 187917 187918 187919 187920 187921 187922 187923 227085 227121)
Neocomian145.0 - 125.77Japan (Kumamoto) (40467 40599)
Berriasian - Early/Lower Barremian145.0 - 125.45Brazil (Paraíba) (228992)
Hauterivian132.9 - 129.4Portugal (73316 73317)
Late/Upper Turonian93.5 - 89.3Spain (234693 234694)
Early/Lower Coniacian89.3 - 85.8Spain (204567 204568 204569 204570 204571 204572 204573 204574)
Campanian - Maastrichtian83.6 - 66.0Jamaica (91196)
Early/Lower Paleocene66.0 - 61.7USA (California) (72075)
Danian66.0 - 61.6USA (California) (221983)
Danian - Selandian66.0 - 59.2USA (California) (184018 220448 220450)
Paleocene66.0 - 56.0USA (California) (90071 185136 185137)
Selandian61.6 - 59.2USA (California) (69315 185135 207819 215686 218468 218471 218662 218664 218665 218666 218670 218671 218672)
Thanetian59.2 - 56.0USA (California) (90072 90073 177668 133892 166086 166096 184012 184013 184017 185139 185193 185194 185195 185199 185200 193036 193038 220449 204137 208721 214288 214289 214290 214291 214292 217132 218466 218470 220309 220310 220311 220400)
Thanetian59.2 - 56.0USA (California ) (184014)
Late/Upper Paleocene58.7 - 55.8USA (California) (214148 214149 220392)
Late/Upper Paleocene - Early/Lower Eocene58.7 - 48.6USA (California) (237461 237467 237468 237469 237470 237471 237472 237473 237475 237476 237477 237478)
Ypresian56.0 - 47.8USA (California) (36862 207305 207306 207307 207308 207309 207310 207311 207312 207313 207315 207316 207317 207318 207319 207320 207321 207322 207323 207324 207325 207326 207327 207328 207329 207336)
Middle Eocene47.8 - 37.71USA (California) (139539)
Bartonian41.3 - 38.0USA (Mississippi) (2436 2437 2438 2434 2435 80887 90709 90887 98462 98469 98471 98472 98572 99671 99672 99674 99722 100141 100142 119431 237141)
Bartonian41.3 - 38.0Egypt (41918)
Early/Lower Miocene23.03 - 15.97Italy (116545 128413)
Early/Lower Miocene23.03 - 15.97Japan (Nagano) (51576 51577 159664 202469)
Early/Lower Miocene - Middle Miocene23.03 - 11.608Japan (Nagano) (76031)
Early/Lower Miocene - Middle Miocene23.03 - 11.608China (Qinghai) (223827 224031)
Burdigalian20.44 - 15.97Japan (169964 169968)
Middle Miocene15.97 - 11.608Japan (Nagano) (75730)
Tortonian11.62 - 7.246Italy (69925)
Hemphillian10.3 - 4.9USA (Nevada) (19095)
Turolian8.7 - 5.333Tajikistan (Sor) (34392)
Early/Lower Pliocene5.333 - 3.6Japan (Hokkaido) (76001)
Zanclean5.333 - 3.6Japan (165737)
Pliocene5.333 - 2.588China (Qinghai) (224038)
Pliocene5.333 - 2.588Japan (165743 165744 165745 165746)
Late/Upper Pliocene3.6 - 2.588Japan (Kyushu) (180691)
Late/Upper Pliocene3.6 - 2.588Japan (193667)
Piacenzian3.6 - 2.588Japan (165738 165742)
Early/Lower Pleistocene2.588 - 0.781Japan (38499 165703 193656 193664)
Early/Lower Pleistocene2.588 - 0.781Japan (Tokyo) (76022)
Early/Lower Pleistocene2.588 - 0.781Japan (Chiba) (59981)
Middle Pleistocene0.774 - 0.129Japan (190827)
Middle Pleistocene0.774 - 0.129Japan (Chiba) (56359 65240)