Jehol Group

Geology

Formations: unnamed (2), Fuxin (7), Jiufotang (58), Qiaotou (1), Yixian (186)

Lithologies: not reported (53), "siliciclastic" (9), claystone (2), mudstone (123), "shale" (55), siltstone (14), sandstone (22), conglomerate (2), marl (1), coal (8), "volcaniclastic" (1), tuff (3)

Paleoenvironments: marine indet. (1), terrestrial indet. (51), fluvial indet. (5), alluvial fan (1), "floodplain" (1), fluvial-lacustrine indet. (6), lacustrine - large (119), lacustrine - small (2), lacustrine indet. (68)

Age range: base of the Late/Upper Jurassic to the top of the Early/Lower Aptian or 161.50000 to 122.46000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Jurassic161.5 - 145.0China (Liaoning) (235512)
Late/Upper Jurassic - Barremian161.5 - 125.0China (Hebei) (96195)
Hauterivian - Albian132.9 - 100.5China (Liaoning) (66923)
Late/Upper Barremian130.0 - 125.45China (Nei Mongol) (103654 106346 106347 117608 125655 125656 127184 133005 154967 155049 156009 164498 173105 195760 215301)
Late/Upper Barremian130.0 - 125.45China (Jilin) (155010 172382)
Late/Upper Barremian130.0 - 125.45China (Liaoning) (103832 105795 105809 106315 106966 110825 111710 111712 111714 111716 111717 111722 111725 112845 117536 117546 117609 118075 119055 123396 123434 123472 138325 138436 140222 140490 140491 141615 145532 146277 147827 151518 151523 151524 151535 152003 152005 152052 155018 155209 156322 156389 156599 156600 156602 156606 157087 157239 164619 181080 184476 190928 194296 198092 226159 226160 226161 232793)
Late/Upper Barremian130.0 - 125.45China (Hebei) (106354 106355 107001 117452 117535 118035 118996 122917 155017 155048 155039 155154 155157 155160 155165 155166 155168 155171 155172 159021 160777 187587 230303 230304)
Late/Upper Barremian - Early/Lower Aptian130.0 - 122.46China (Hebei) (79520 82758 116134 155011)
Late/Upper Barremian - Early/Lower Aptian130.0 - 122.46China (Liaoning) (10761 10764 13937 24899 25835 92906 29690 30087 31541 36969 49106 50467 50469 50468 50470 203179 52888 53493 55425 55682 55683 55685 55709 67611 73438 73687 75472 75511 79488 79521 79522 79657 82783 83249 85288 85298 87417 91199 92147 92626 92749 92806 92903 92908 94660 94819 100540 101022 115407 115646 117415 117526 117527 117528 123753 126447 126448 127186 132600 132934 133789 134420 137794 137803 145247 147071 156032 157196 158243 163269 165516 179655 194604 196649 223861 224635 235272)
Late/Upper Barremian - Early/Lower Aptian130.0 - 122.46China (Nei Mongol) (68047 79519 92651 150366 203213)
Aptian125.0 - 113.0China (Nei Monggol) (123445 152245 179126 199759)
Aptian125.0 - 113.0China (Hebei) (155158 155162 155163)
Aptian125.0 - 113.0China (Liaoning) (36970 52458 52459 52460 52461 54003 55426 55536 55708 73688 78922 79517 79518 79523 79941 85255 85258 85262 85285 90046 92073 92652 92898 92905 98449 105248 105772 109245 116136 116361 118207 129475 131831 132487 135798 136747 139555 142343 150275 150814 151525 151534 151536 151537 151538 153809 156387 160135 169930 173109 207034 220430)
Aptian - Albian125.0 - 100.5China (Liaoning) (60459 97422 97423 97424 97425 97426 123517)