Wealden Group

Age range: base of the Late/Upper Berriasian to the top of the Aptian or 145.00000 to 113.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Berriasian145.0 - 140.2United Kingdom (England) (53891 80516 123449)
Berriasian145.0 - 139.8Germany (Niedersachsen) (185808)
Late/Upper Berriasian - Early/Lower Valanginian145.0 - 136.4United Kingdom (England) (32329 32331 32347 32348 32349 32351 32352 32353 32354 32355 32717 73271 96619 119663 158767 220883)
Berriasian - Valanginian145.0 - 132.9United Kingdom (England) (118046 119662)
Late/Upper Berriasian - Valanginian145.0 - 132.9United Kingdom (England) (24905 36577 52297 52571 52650 52662 60381 90048 92919 168982 170624 187192 227475 227474 227476 227477 227478 227479)
Late/Upper Berriasian - Barremian145.0 - 125.0United Kingdom (England) (32369 32699 32700)
Late/Upper Berriasian - Early/Lower Aptian145.0 - 122.46United Kingdom (England) (187572 190893 199499 227658)
Late/Upper Berriasian - Aptian145.0 - 113.0United Kingdom (England) (222390)
Early/Lower Cretaceous145.0 - 100.5United Kingdom (England) (52645)
Early/Lower Valanginian140.2 - 136.4United Kingdom (England) (32328 52577 52649 52663 52664 58094 82230 82231 82232 82490 83125 91990 102993 117934 122797 127529 127530 160833 160834 223901 223902 231104 231105 231106 231107)
Late/Upper Valanginian140.2 - 136.4United Kingdom (England) (31954 32350 32359 52255 52258 52668 75211 96620 96621 96622 105792 119006 122889 122900 123856 144975 160835 222373 222374 222518 222519 230812)
Late/Upper Valanginian - Early/Lower Hauterivian140.2 - 130.0United Kingdom (England) (52661 52672 73272 82495 90212)
Late/Upper Valanginian - Early/Lower Hauterivian140.2 - 130.0United Kingdom (East Sussex) (224318)
Valanginian139.8 - 132.9United Kingdom (England) (32356 32357 32358 96390 122355 123855 123860 127535)
Valanginian - Barremian139.8 - 125.0United Kingdom (England) (52575 65607 65608)
Early/Lower Hauterivian136.4 - 130.0United Kingdom (England) (103930)
Late/Upper Hauterivian136.4 - 130.0United Kingdom (England) (22700 62637 106281 106417 119697 123450 123451 123454 160134 221887 232052)
Late/Upper Hauterivian136.4 - 130.0United Kingdom (Surrey) (74972 74973 160653)
Late/Upper Hauterivian - Early/Lower Barremian136.4 - 125.45United Kingdom (England) (26783 26797 45918 47190 48328 52669 53886 53888 55518 59353 59673 60377 64774 64775 64776 72289 72290 77057 82521 83057 83058 83059 83060 157614 222381 232068)
Late/Upper Hauterivian - Late/Upper Barremian136.4 - 125.45United Kingdom (England) (80508 80512 82492)
Late/Upper Hauterivian - Barremian136.4 - 125.0United Kingdom (England) (52570 52652 52657 52660 72291 75745)
Late/Upper Hauterivian - Early/Lower Aptian136.4 - 122.46United Kingdom (England) (26781 26793 26796 36580 52264 52569 52632 52653 53681 53682 64773 72266 82519 222383)
Hauterivian132.9 - 129.4United Kingdom (England) (62636 222353 223903 223905)
Hauterivian - Barremian132.9 - 125.0United Kingdom (England) (32361 32363 32364 32365 32367 32372 32373 52576 52962 227657)
Early/Lower Barremian130.0 - 125.45United Kingdom (230407)
Early/Lower Barremian130.0 - 125.45United Kingdom (Surrey) (189915 192017)
Early/Lower Barremian130.0 - 125.45United Kingdom (England) (45193 82515 104005 118921 223904)
Late/Upper Barremian130.0 - 125.45United Kingdom (164496)
Late/Upper Barremian130.0 - 125.45United Kingdom (England) (26791 26799 45194 46875 123453 123455 137200 154774)
Late/Upper Barremian - Early/Lower Aptian130.0 - 122.46United Kingdom (England) (118045 13267 13268 24897 24906 25428 32326 90306 90340 101086 122888 127436 127437 222372)
Barremian129.4 - 125.0United Kingdom (England) (13269 22687 48853 52256 59350 60845 90213 90307 90308 90342 96817 101088 101090 101091 101092 101093 105331 117445 118213 119664 122894 122895 122896 122898 127533 157299 168797 222371 223358 223359 223868 223869 223870 227655 227656 230379 232067)
Barremian129.4 - 125.0United Kingdom (Isle of Wight) (225020)
Barremian - Early/Lower Aptian129.4 - 122.46Belgium (Hainaut) (105656)
Barremian - Early/Lower Aptian129.4 - 122.46United Kingdom (England) (13270 92917 101087)
Barremian - Early/Lower Aptian129.4 - 122.46Belgium (Sauerland) (22645)
Early/Lower Aptian121.4 - 122.46United Kingdom (England) (110738)